| (CC)PCB |
(Commercial Crew) Program Control Board |
| (E)-ORU |
EVA-compatible ORU |
| (R)-ORU |
Robotics-compatible ORU |
| 21CSLC |
21st Century Space Launch Complex |
| 2BL |
double-sided phase locked loop noise bandwidth |
| 2BL |
double sideband noise bandwidth |
| 2FA |
Two-Factor Authentication |
| 3CS |
3 Corner Satellite |
| 3D ROCS |
3D Based Rover Operations Control System |
| 4BMS |
four-bed molecular sieve |
| 4M |
Manfred Memorial Moon Mission |
| 8B/10B |
8-bit/10-bit |
| 8PSK |
phase shift keying of 8 states |
| 8PSK |
phase shift keying of eight states |
| @ |
at |
| A |
ampere |
| A |
Application Satellite |
| A&A |
Astronomy & Astrophysics |
| A&C |
Activation & Checkout |
| A&C,ACO |
Activation & Checkout (e.g.,Activation is a series reconfigurations and checkouts performed once Dragon has reached orbit.) |
| A-MKO |
ATV Mission Kick Off |
| A/D |
analog to digital |
| A/D |
Analog/Digital |
| A/D |
analogue-to-digital |
| A/D |
analogue to digital |
| A/D,AtoD |
analog-to-digital |
| A/E |
Ascent/Entry |
| A/G |
Air to Ground |
| A/G |
Air-to-Ground (voice) |
| A/S |
artificial flavor |
| A/S |
artificial sweetener |
| A5 |
Ariane 5 |
| AA |
Accelerometer Assembly |
| AA |
Associate Administrator |
| AAA |
Assistant Associate Administrator |
| AAA |
Avionics Air Assembly |
| AAAC |
Astronomy & Astrophysics Advisory Committee |
| AACB |
Aeronautics and Astronautics Coordinating Board |
| AACP |
Astronaut Activity Coordination Panel |
| AAD |
area array device |
| AAD |
Automatic Activation Device |
| AAL |
ATM Adaptation Layer |
| AAM |
Advanced Avionics Module |
| AAO |
Anglo-Australian Observatory |
| AAP |
Americom Asia Pacific |
| AAS |
Any Attitude Separation |
| AAS |
American Astronautical Society |
| AAU-Cubesat |
Aalborg University Cubesat |
| AAVSO |
American Association of Variable Star Observers |
| ABBE |
Adaptive Base Band Equalizer |
| ABC |
Audio Bus Coupler |
| ABC |
Airway,Breath,Circulation |
| ABC |
Airway,Breathing,Circulation |
| ABCL |
As Built Configuration List |
| ABF |
Arraying and Beamforming |
| ABIE-TLV |
Airborne Interceptor Experiment - Target Launch Vehicle |
| ABM |
apogee boost motor |
| ABP |
Audio Belt Pack |
| ABPC |
Automatic Blood Pressure Cuff |
| ABPM |
Automatic Blood Pressure Monitor |
| ABR |
Available Bit Rate |
| ABRES |
Advanced Ballistic Re-Entry Systems |
| ABRIXAS |
A Broadband Imaging X-Ray All-Sky Survey |
| AC |
Atmospheric Corrector |
| AC |
Accomplishment Criteria |
| AC |
Atlas Centaur |
| AC |
Assembly Compartment |
| AC |
alternating current |
| AC |
Attitude Control |
| AC |
Assembly Complete |
| AC mode |
Attitude Control mode |
| AC/DC |
alternating current/direct current |
| ACA |
Associate Contractor Agreement |
| ACBM |
active common berthing mechanism |
| ACBSP |
assembly complete baseband signal processor |
| ACC |
Access Control Center |
| ACCA |
Automatic Cloud Cover Assessment |
| ACCESS |
Advanced Communications Capabilities for Exploration and Science Systems |
| ACCESS |
Advanced Collaborative Connections for Earth System Science |
| ACD |
Artemis Campaign Development |
| ACE |
Advanced Composition Explorer |
| ACE |
Array Combining Experiment |
| ACES |
Advanced Crew Escape Suit |
| ACES |
Atomic Clock Ensemble in Space |
| ACESE |
attitude control & energy storage experiment |
| ACI |
Approach Corridor Initiation maneuver |
| ACI |
maneuver,Approach Corridor Initiation maneuver |
| ACIT |
ATV Cargo Integration Team |
| ACK |
acknowledge |
| ACK |
acknowledgement |
| ACK |
Acoustic Countermeasures Kit |
| ACLS |
Advanced Cardiac Life Support |
| ACLS |
Advanced Closed Loop System |
| ACNT |
Advanced Navigation and Communication Technology |
| ACO |
Assembly,Activation&Checkout Officer |
| ACO |
Activation & Checkout |
| ACO |
Administrative Contracting Officer |
| ACOM |
Assembly, Check-out, Operations, Maintenance, & Configuration |
| ACP |
Attitude Controlled Platform |
| ACQ |
Acquisition |
| ACRFG |
assembly complete radio frequency group |
| ACRIM |
Active Cavity Radiometer Irradiance Monitor |
| ACRIMSAT |
Active Cavity Radiometer Irradiance Monitor Satellite |
| ACRIMsat |
Active Cavity Radiometric Irridiance Monitor Satellite |
| ACRS |
Automated Conflict Resolution System |
| ACRSF |
ACR Status File |
| ACRV |
Assured Crew Return Vehicle |
| ACRV |
advanced crew return vehicle |
| ACRV |
Assured Crew Return Vehicle (or) Astronaut Crew Rescue Vehicle |
| ACS |
Attitude Control System (smaller thrusters) |
| ACS |
atmosphere control & supply |
| ACS |
attitude control system |
| ACS |
assembly contingency subsystem |
| ACS |
Advanced Communications Services |
| ACS |
Advanced Camera for Surveys (Hubble Space Telescope instrument) |
| ACS3 |
Advanced Composite Solar Sail System |
| ACT |
Activate,activation |
| ACT |
Advanced Component Technologies |
| ACT |
Activation |
| ACT |
advanced communications tower |
| ACT |
Autopilot Control Table |
| ACT-Light |
ATV Crew Trainer |
| ACTFL |
American Council on the Teaching of Foreign Language |
| ACTIVE |
active control word |
| ACTL |
Automated Compatibility Test Lab |
| ACTS |
Advanced Communication Test Satellite |
| ACTS |
Advanced Communication Technology Satellite |
| ACT_LS |
active least significant |
| ACT_MS |
active most significant |
| ACU |
arm computer unit |
| ACWP |
Actual Cost of Work Performed |
| AD |
Attitude Determination |
| AD |
Analog to Digital |
| AD |
Air Density |
| AD |
audio dosimeter |
| AD |
Applicable Document |
| ADA |
Americans with Disabilities Act |
| ADACS |
Attitude Determination And Control System |
| ADAM |
Able deployable articulated mast |
| ADAP |
Astrophysics Data Analysis Program |
| ADAS |
Ambulatory Data Acquisition System |
| ADC |
analogue digital converter |
| ADC |
analogue-to-digital converter |
| ADC |
acquisition data counter |
| ADCAR |
Astrophysics Data Curation & Archival Research |
| ADCO |
Attitude determination & Control Officer |
| ADCS |
attitude determination and control subsystem |
| ADD |
Architecture Definition Document |
| ADEOS |
Advanced Earth Observation Satellite |
| ADFRF |
Ames-Dryden Flight Research Facility (now DFRC) (NASA) |
| ADM |
Atmospheric Dynamics Mission |
| ADMIN |
Administration |
| ADOP |
Attitude Dilution of Precision |
| ADP |
Automated Data Processing |
| ADP |
Architecture Decision Point |
| ADP |
Acceptance Data Package |
| ADPCM |
Adaptive Differential Pulse Code Modulation |
| ADPE |
Automated Data Processing Equipment |
| ADS |
Astrophysics Data System |
| ADS |
Airbus Defense & Space |
| ADS |
Advisory and Directive System |
| ADS |
Attitude Determination System |
| ADS |
Attitude Determination Software |
| ADS |
Action Document Summary |
| ADT |
Adaptation Data Table |
| ADU |
Acquisition Data Unit |
| AE |
ellipsoid,approach ellipsoid |
| AE |
Approach Ellipsoid |
| AE |
Atmospheric Explorer / Aeronomy Explorer |
| AEC |
Avionics Equipment (Electrical) Chains |
| AEFTP |
Ascent/Entry Flight Technique Panel (Space Shuttle Program) |
| AEHF |
Advanced Extremely High Frequency |
| AEHF |
Advanced Extreme High Frequency Satellite |
| AEM |
Application Explorer Mission |
| AEMC |
Advanced Environmental Monitoring and Control |
| AEN |
Änderungsantrag used in the EADS-ST in-house CMDB (SAP) for tracking of changes & releases |
| AEP |
Agency Execution Plan |
| AEPS |
Advanced Electric Propulsion System |
| AERCam |
Autonomous Extravehicular Activity Robot Camera |
| AERCam |
autonomous EVA robotic camera |
| AERIS |
American Echo Research Imaging System |
| AES |
air evaporation system |
| AES |
Advanced Exploration Systems |
| AEVA |
Advanced Extra Vehicular Activity |
| AF |
Award Fee |
| AF |
Air Force |
| AFA |
Amonia Filter Assembly |
| AFAIK |
As Far As I Know |
| AFB |
Air Force Base |
| AFD |
Alternate Flight Directors (loop) |
| AFDIR |
automated fault detection, isolation, & recovery |
| AFE |
Agency Furnished Equipment |
| AFFTC |
Air Force Flight Test Center |
| AFL |
Astrobiology Field Lab |
| AFOSR |
Air Force Office of Scientific Research |
| AFP |
Air Force Project |
| AFPS |
Automated Forms Processing System |
| AFR |
anchor foot restraint |
| AFRC |
Armstrong Flight Research Center |
| AFRCC |
Air Force Rescue Coordination Center (in Langley,Virginia) |
| AFRCC |
Air Force Rescue Control Center |
| AFRL |
Air Force Research Laboratory |
| AFS |
Andrew File System |
| AFSCF |
Air Force Satellite Control Facility |
| AFSCN |
Air Force Satellite Control Network |
| AFSPC |
Air Force Space Programs Command |
| AFSS |
Autonomous Flight Safety System |
| AFSS |
system,Autonomous Flight Safety System |
| AFT |
abbreviated functional test |
| AFTS |
Autonomous Flight Termination System |
| AFTS |
Autonomous Flight Termination System (AFSS) |
| AFTS |
system,Autonomous Flight Termination System (AFSS) |
| AGA |
Anomalous Gas Analyzer |
| AGC |
automatic gain control |
| AGCS |
ATV Ground Control Simulator |
| AGILE |
Astro-rivelatore Gamma ad Immagini Leggero |
| AGILE |
Astro-rivelatore Gamma a Immagini Leggero |
| AGL |
Above Ground Level |
| AGN |
Active Galactic Nucleus |
| AGNS |
Automated Ground Network System |
| AGO |
Santiago, Chile Tracking Station |
| AGPS |
Absolute GPS |
| AGS |
Autonomous Ground Station |
| AGS |
Antigravity suit (G-suit) |
| AGSKP |
ATV Ground Segment Key Point |
| AGU |
American Geophysical Union |
| AHM |
ICS-EF antenna hold mechanism |
| AHS |
ACU Host Software |
| AI |
Artificial Intelligence |
| AI |
Approach Initiation (maneuver) (SpX) |
| AI |
Action Item |
| AI&T |
Assembly, Integration, & Testing |
| AI&V |
Assembly, Integration & Test |
| AIAA |
American Institute of Aeronautics and Astronautics |
| AIAA |
American Institute of Aeronautics & Astronautics |
| AIM |
Aeronomy of Ice in the Mesosphere |
| AIMP |
Anchored Interplanetary Monitoring Platform |
| AIP |
Audio Interface Panel |
| AIPS |
Astronomical Image Processing System |
| AIRS |
Advanced Infrared Sounder |
| AIS |
Automated Information Security |
| AIS |
Automatic Identification System |
| AISI |
American Iron & Steel Institute |
| AISS |
Automated Information System Security |
| AIT |
Assembly, Integration, & Testing |
| AIT |
Assembly, integration & Test |
| AIT |
Analysis and Integration Team |
| AITP |
assembly, integration & test plan |
| AITS |
Agency Information Technology Services |
| AIV |
Assembly, Integration & Verification |
| AIVP |
assembly, integration & verification plan |
| AJ |
Astronomical Journal |
| AKE |
absolute knowledge error |
| AKT |
Anti Kickback Tool |
| AL |
airlock |
| ALARA |
as low as reasonably achievable |
| ALB |
Automated Link Builder |
| ALBus |
Advanced eLectrical Bus |
| ALC |
Automatic Light Control |
| ALEXIS |
Array of Low-Energy X-Ray Imaging Sensors |
| ALGO |
algorithm |
| ALHAT |
Autonomous Landing & Hazard Avoidance Technology |
| ALI |
Advanced Land Imager |
| ALI |
Advance Land Imager |
| ALIGN |
align control word |
| ALM |
additive layer manufacturing |
| ALMS |
Automated Logistics Management System |
| ALO |
Airlock Outfitting |
| ALOS |
Advanced Land Observation Satellite |
| ALOS |
Advanced Land Observing Satellite |
| ALPO |
Association of Lunar & Planetary Observers |
| ALQT |
Assembly Level Qual Test |
| ALS |
Advanced Life Support |
| ALS |
Advanced Launch System |
| ALSP |
advanced life support pack |
| ALSS |
autonomous life support system |
| ALSYS |
Airlock Systems |
| ALT |
altitude |
| ALTEC |
ASI Logistics & Technology Engineering Center |
| ALTIUS |
Atmospheric Limb Tracker for Investigation of the Upcoming Stratosphere |
| ALTV |
Approach & Landing Test Vehicle |
| AM |
amplitude modulation |
| AM |
Asset Manager |
| AM&O |
Agency Management and Operations |
| AM0 |
air mass 0 (zero) |
| AMAO |
Advanced Mission Analysis Office |
| AMC |
Access Management Center |
| AMC |
Americom |
| AMCL |
As-Maintained Configuration List |
| AME |
absolute measurement error |
| AMEE |
Advanced Mission Evaluation Environment |
| AMERD |
Astronauts Medical Evaluation Requirements Docume |
| AMERD |
Astronauts Medical Evaluation Requirements Document |
| AMICIST |
Auroral Microphysics & Ion Conics Investigation of Space & Time |
| AMMI |
Asset Management /Maintenance Improvement |
| AMMOS |
Advanced Multi-Mission Operations System |
| AMMP |
Aircraft Maintenance & Modification Program |
| AMO |
Agency Management & Operations |
| AMOS |
Affordable Modular Optimized Satellite |
| AMOS |
Automated Mission Operations System |
| AMP |
ambulatory medical pack |
| AMPEV |
Airlock-unique Manual PEV |
| AMPM |
Agency Mission Planning Manifest |
| AMPM |
Agency Mission Planning Model |
| AMPS |
Advanced Modular Power System |
| AMPTE |
Active Magnetospheric Particle Tracer Explorer |
| AMPTS |
Automated Mission and Payload Tracking System |
| AMS |
Advanced Meteorological Satellite |
| AMS |
Administrative Messaging System |
| AMS |
Automated Messaging System |
| AMS |
Antenna Management System |
| AMS |
Alpha Magnetic Spectrometer |
| AMSAT |
Amateur Satellite |
| AMSC |
American Mobile Satellite Corporation |
| AMSR |
Advanced Microwave Scanning Radiometer |
| AMSR-E |
Advanced Microwave Scanning Radiometer for the Earth Observing System |
| AMSR-E |
Advanced Microwave Scanning Radiometer for EOS |
| AMSU |
Advanced Microwave Sounding Unit |
| AMSU |
Advance Microwave Sounding Unit |
| AMYL |
A-Amylase |
| AN |
Ascending Node |
| ANASIS |
Army / Navy / Air Force Satellite Information System |
| ANCC |
Alternate Network Control Center |
| AND |
Alphanumeric Display |
| ANDE |
Atmospheric Neutral Drag Experiment |
| ANDESITE |
Ad-Hoc Network Demonstration for Extended Satellite-Based Inquiry & Other Team Endeavors |
| ANGELS |
Automated Navigation & Guidance Experiment for Local Space |
| ANGELS |
Argos Neo on a Generic Economical & Light Satellite |
| ANI |
Automatic Number Identification |
| ANITA |
Analysing Interferometer for Ambient Air |
| ANL |
Argonne National Laboratory |
| ANNA |
Army, Navy, NASA, Air Force |
| ANR |
active noise reduction |
| ANS |
Astronomical Netherlands Satellite |
| ANSI |
American National Standards Institute |
| ANT IFL |
Antenna Interfacility Link |
| AO |
ASUSAT Oscar |
| AO |
Authorizing Official |
| AO |
Amsat Oscar |
| AO |
Announcement of Opportunity |
| AO |
Arsene Oscar |
| AOA |
Angle Of Attack |
| AOA |
Abort Once Around |
| AOA |
Abort Once Around (Shuttle abort plan) |
| AOA |
Abort-Once-Around |
| AOC |
Axes of Command |
| AOC |
auto orthogonality check |
| AOCS |
Attitude & Orbit Control System |
| AOCS |
Attitude and Orbital Control System |
| AOCSM |
Alternate Organization Computer Security Manager |
| AOI |
automated optical inspection |
| AOPNS |
Activity and Outage Posting Notification System |
| AOPS-CM |
ATV Ops Configuration Management |
| AOPS-PA |
ATV Ops Product Assurance |
| AOQ |
average outgoing quality |
| AOR |
Axes of Resolution |
| AOR |
Atlantic Ocean Region |
| AOS |
Advanced Orbiting System |
| AOS |
Acquisition Of Signal |
| AOSAT |
Asteroid Origins Satellite |
| AOSO |
Advanced Orbiting Solar Observatory |
| AP |
attached payload |
| AP |
Application Processor |
| AP |
Automated Procedure |
| APA |
Allowance for Program Adjustments |
| APA |
Antenna Pointing Assembly |
| APAS |
androgynous peripheral attachment system |
| APAS |
androgynous peripheral attach system |
| APD |
Avalanche Photo Diode |
| APDS |
autonomous peripheral docking system |
| APE |
absolute performance error |
| APEX |
Advanced Photovoltaic and Electronic Experiment |
| APEX |
Advanced Photovoltaic & Electronic Experiment |
| APEX-IK |
Active Plasma Experiment Interkosmos |
| APFR |
restraint,articulating portable foot r. |
| APFR |
articulating portable foot restraint |
| APG |
Annual Performance Goal |
| API |
Application Program Interface |
| API |
Application Programming Interface |
| APID |
Application Process Identifier |
| APID |
Application Identifier |
| APL |
Applied Physics Lab |
| APL |
Applied Physics Laboratory (Johns Hopkins University) |
| APL |
Average Picture Level |
| APLA |
Advanced Payload Laptop Application Meeting |
| APM |
Attached Pressurized Module (a.k.a. Columbus) |
| APM |
Attached Pressurized Module |
| APMC |
Agency Program Management Council |
| APMM |
Agency Planning Mission Model |
| APO |
Attached Phase Operations |
| APOCC |
Automated Project Operations Control Center |
| APP |
Annual Performance Planning |
| APP |
a posteriori probability |
| APP |
Approach |
| APPEL |
Academy of Program/Project & Engineering Leadership |
| APRA |
Astrophysics Research & Analysis |
| APRET |
Astrophysics Research & Enabling Technology program (replaces APRA) |
| APS |
automated payload switch |
| APS |
Advanced Payload Switch |
| APS |
atmospheric purification system |
| APStar |
Asia Pacific Star |
| APT |
Associated Project Team |
| APT |
Applied potential tomography |
| APTC |
ambient pressure thermal cycling |
| APU |
Auxiliary Propulsion Unit |
| APU |
Auxiliary Processing Unit |
| APU |
Auxiliary Power Unit |
| AQ |
Resolved Observations Relevant to Air Quality |
| AQL |
acceptance quality limit |
| AQL |
acceptance quality level |
| AR |
Anomaly Report |
| AR |
Assessment Review |
| AR |
atmosphere revitalization |
| AR&D |
Automated Rendezvous & Docking |
| ARAPAIMA |
Application for RSO Automated Proximity Analysis & Imaging |
| ARC |
Astrophysical Research Consortium |
| ARC |
Ames Research Center |
| ARC |
Ames Research Center (NASA) |
| ARCD |
Aerospace Research & Career Development |
| ARCE |
Articulated Reconnaissance & Communications Expedition |
| ARCS |
Argon Release for Controlled Studies |
| ARCU |
American to Russian converter unit |
| ARD |
Abort Region Determination |
| ARD |
Atmospheric Reentry Demonstrator |
| ARED |
Advanced Resistive Exercise Devise |
| ARES |
Active Radiation Environment Sensor |
| ARF |
alignment reference frame |
| ARGOS |
Advanced Research & Global Observation Satellite |
| ARIA |
Advanced Range Instrumentation Aircraft |
| ARIS |
active rack isolation system |
| ARISS |
Amateur Radio on International Space Station |
| ARKSAT |
Akansas Satellite |
| ARM |
Asteroid Redirection Mission |
| ARM |
Atmospheric Radiation Measurement |
| ARMA |
auto-regressive moving average |
| ARMD |
Aeronautics Research Mission Directorate |
| ARME |
absolute rate measurement error |
| ARO |
Automated Rendezvous Officer (VVCC) |
| ARO |
officer,Automated Rendezvous Officer (VVCC) |
| ARPT |
analysis report |
| ARQ |
automatic repeat request |
| ARS |
Anomaly Reporting System |
| ARS (ARdS) |
automatic redocking system |
| ART |
Anomaly Resolution Team (NASA) |
| ARTEMIS |
Advanced Relay TEchnology MISsion |
| ARTEMIS |
Acceleration, Reconnection, Turbulence & Electrodynamics of the Moon's Interaction with the Sun |
| ARTES |
Advanced Research in Telecommunications Systems |
| ARW |
angular random walk |
| AS |
AlliedSignal |
| AS |
Apollo Saturn |
| AS |
Assembly Sequence |
| ASA |
Aerosurface Servo Actuator |
| ASA |
Australian Space Agency |
| ASA |
Astronomical Society of the Atlantic |
| ASA |
Austrian Space Agency |
| ASAP |
Aerospace Safety Advisory Panel |
| ASAR |
Advanced Synthetic Aperture Radar |
| ASBM |
Arctic Satellite Broadband Mission |
| ASC |
American Satellite Company |
| ASC |
Agence Spatiale Canadienne (also CSA) |
| ASCA |
Advanced Spacecraft for Cosmology Astrophysics |
| ASCA |
Advanced Satellite for Cosmology & Astronomy |
| ASCAN |
Astronaut Candidate |
| ASCB |
Avionics Software Control Board |
| ASCENDS |
Active Sensing of Carbon dioxide Emissions over Nights, Days & Seasons |
| ASCII |
American standard code for information interchange |
| ASCR |
assured safe crew return |
| ASCR |
Assured Safe Crew Return mode |
| ASE |
Airborne Support Equipment |
| ASEB |
Aeronautics & Space Engineering Board of the National Academies |
| ASEU |
Aft Skirt Electrical Umbilical |
| ASF |
Alaska Satellite Facility |
| ASF |
Auto Sequence File |
| ASGSR |
American Society for Gravitational and Space Research |
| ASI |
Agencia Spatiale Italiano (Italian Space Agency) |
| ASI |
Agenzia Spaziale Italiana |
| ASI |
Agenzia Spaziale Italiana (Italian Space Agency) |
| ASI |
Italian Space Agency (Agenzia Spaziale Italiana) |
| ASIC |
application specific integrated circuit |
| ASIM |
Atmosphere Space Interaction Monitor |
| ASL |
Above Sea Level |
| ASM |
attached sync marker |
| ASM |
analogue signal monitor |
| ASMA |
Autonomous System Management Architecture |
| ASME |
American Society of Mechanical Engineers |
| ASMP |
Aeronautics Strategy & Management Program |
| ASMS |
Antenna Simulator and Modeling System |
| ASN |
Automated Stowage Note |
| ASO |
Astronomical Search for Origins |
| ASO |
Administrator Staff Office |
| ASOC |
Atlas Spaceflight Operations Center (ULA) |
| ASP |
Airspace Systems Program |
| ASP |
Astronaut Support Personnel |
| ASP |
Attached Shuttle Payload |
| ASP |
Acquisition Strategy Planning |
| ASP |
Astronomical Society of the Pacific |
| ASPC |
Attached Shuttle Payload Center |
| ASPERA-3 |
Analyzer of Space Plasma & Energetic Atoms-3 |
| ASQ |
American Society for Quality |
| ASRC |
Arctic Slope Regional Corporation |
| ASRM |
Advanced Solid Rocket Motor |
| ASRS |
Automated Support Requirements System |
| ASSET-AEV |
Aerothermodynamic / Elastic Structural System Test - Aerothermoelastic Vehicle |
| ASSET-ASV |
Aerothermodynamic / Elastic Structural System Test - Aerothermodynamic Structural Vehicle |
| ASSP |
application specific standard product |
| AST |
American segment trainer |
| AST |
Avionics & Software Teleconference |
| ASTER |
Advanced Spaceborne Thermal Emission and Reflection Radiometer |
| ASTER |
Advanced Spaceborne Thermal Emission Reflection Radiometer |
| ASTEX |
Advanced Space Technology Experiment |
| ASTM |
American Society for Testing Materials |
| ASTM |
American Society for Testing & Materials |
| ASTP |
Apollo Soyuz Test Project |
| ASTP-DM |
Apollo Soyuz Test Project - Docking Module |
| ASTRO |
Autonomous Space Transport Robotic Operations satellite |
| ASUSAT |
Arizona State University Satellite |
| ASW |
Application SW |
| AT |
acceptance testing |
| AT |
Acceptance Test |
| AT |
Aeronautics Technology |
| AT-OCB |
ATV Operations Control Board |
| ATA |
advance technology attachment |
| ATAC |
ATV Training Academy |
| ATB |
avionics test bench |
| ATC |
acquisition transfer confirmation |
| ATCM |
Air Trace Contaminant Monitor |
| ATCO |
Ambient Temperature Catalytic Oxidizer |
| ATCOS |
Atmospheric Composition Satellite |
| ATCP |
Absolute Command Processor |
| ATCS |
active thermal control system |
| ATD |
Astronaut Training Database |
| ATD |
Air Traffic Management Technology Demonstration |
| ATDA |
Augmented Target Docking Adaptor |
| ATDRS |
Advanced Tracking & Data Relay Satellite |
| ATDnet |
Advanced Technology Demonstration Network |
| ATE |
Automatic Test Equipment |
| ATEx-LEB |
Advanced Tether Experiment - Lower End Body |
| ATEx-UEB |
Advanced Tether Experiment - Upper End Body |
| ATF |
Australian Tracking Facility |
| ATHENA |
Advanced Telescope for High-Energy Astrophysics |
| ATHENOXAT |
Athene Noctua Experimental Satellite |
| ATK |
Alliant Techsystems Inc. |
| ATLAS |
Atmospheric Laboratory for Applications & Science |
| ATLAS |
Atmosphere Thermal Lighting Articulation Specialist |
| ATLO |
Assembly, Test, Launch Operations |
| ATLO |
Assembly, Test, and Launch Operations |
| ATM |
Asynchronous Transfer Mode |
| ATM |
Atmosphere |
| ATM |
Amateur Telescope Maker |
| ATM |
Apollo Telescope Mount (on Skylab) |
| ATM |
asynchronous transmission mode |
| ATMS |
Advanced Technology Microwave Sounder (NPOESS Preparatory |
| ATO |
Abort To Orbit |
| ATOX |
atomic oxygen |
| ATP |
Acceptance Test Plan |
| ATP |
Authority to Proceed |
| ATP |
Aeronautics Test Program |
| ATP |
Astrophysics Theory Program |
| ATP |
Autorization To Proceed |
| ATP |
procedure,Acceptance Test Procedure |
| ATP |
Acceptance Test Procedure |
| ATP+1m |
ATP plus 1 month |
| ATR |
Auto Track Receiver |
| ATR |
attenuated total reflection |
| ATR |
acquisition transfer request |
| ATS |
Applications Technology Satellite |
| ATS |
Automated Tracking Station |
| ATS |
Application Technology Satellite |
| ATS |
air temperature sensor |
| ATTREX |
Airborne Tropical Tropopause Experiment |
| ATU |
Audio Terminal Unit |
| ATV |
Automated Transfer Vehicle |
| ATV |
Autonomous Transfer Vehicle |
| ATV-1 |
Automated Transfer Vehicle 1 |
| ATV-2 |
Automated Transfer Vehicle 2 |
| ATV-3 |
Automated Transfer Vehicle 3 |
| ATV-CC |
Automated Transfer Vehicle Control Center |
| ATV-CC |
ATV Control Center |
| ATXS |
ATM Transmission System |
| AU |
Astronomical Unit |
| AUAI |
assembly-contingency/UHF audio interface |
| AUCP |
Artemis Utilization Coordination Panel |
| AURA |
Association of Universities for Research in Astronomy |
| AUSAT |
Aarhus University Satellite |
| AUTcube |
Aichi University of Technology CubeSat |
| AV |
Audio Video |
| AV |
Atrioventricular node |
| AVC |
Automatic Volume Control (squelch) |
| AVC |
arc voltage control |
| AVF |
artificial vision function |
| AVHRR |
Advanced Very High Resolution Radiometer |
| AVIM |
aviation intermediate maintenance |
| AVSTC |
Apple Valley Science and Technology Center |
| AVT |
acceptance vibration test |
| AVU |
artificial vision unit |
| AVU |
CCD artificial vision unit cursor control device |
| AVV |
valve,Air Vent Valve (at the NDS hatch) |
| AVV |
Air Vent Valve (at the NDS hatch) |
| AW&ST |
Aviation Week & Space Technology (a.k.a. AvLeak) |
| AWCS |
Agency Wide Coding Structure |
| AWG |
Acquisition Working Group |
| AWG |
American wire gauge |
| AWGN |
additive white Gaussian noise |
| AWN |
angular white noise |
| AWOTS |
Automated Wallops Orbital Tracking Station |
| AWS |
Advanced Wideband Satellite |
| AXAF |
Advanced X-ray Astrophysics Facility |
| AXAF-I |
Advanced X-Ray Astronomy Facility - Imager |
| AZ |
Z Axis Acceleration |
| AZ |
azimuth |
| Abs |
absolute |
| Acc |
accessory |
| Acronym |
Meaning |
| Act |
active |
| Act |
activate |
| Addr |
address |
| Adj |
adjust; regulate |
| AirMOSS |
Airborne Microwave Observatory of Subcanopy & Subsurface |
| AlSat |
Algerian Satellite |
| Almasat |
Alma Mater Satellite |
| Alt DAP |
alternate digital autopilot |
| Alt-LASER |
Altimeter Laser |
| Alt-RADAR |
Altimeter Radar |
| AnGap |
Anion Gap |
| Ang |
angle |
| Ant |
antenna |
| Ap.J |
Astrophysical Journal |
| Apple |
Ariane Passenger Payload Experiment |
| Aries |
Australian Resource Information & Environment Satellite |
| Arsene |
Ariane Radio-Amateur Satellite Enseignement Espace |
| Artemis |
Advanced Relay & Technology Mission |
| Assy |
Assembly |
| Astro |
Astronomy Satellite |
| Att |
attitude |
| Aud |
audio |
| Auto |
automatic |
| Av |
avionics |
| AvSP |
Aviation Safety Program |
| Avail |
available |
| B |
beverage |
| B&P |
Bid and Proposal |
| B-ISDN |
Broadband ISDN |
| B-Sat |
Broadcasting Satellite |
| B.USOC |
Belgian (Bruxelles) USOC |
| B/L |
baseline |
| BA |
Budget Authority |
| BAA |
Broad Agency Announcement |
| BAD |
Broadcast Ancillary Data |
| BAF |
Base Frame |
| BAFM |
Business Administration and Financial Management |
| BAFO |
Best and Final Offer |
| BAFR |
Business Analysis and Financial Reporting |
| BAG |
Bandwidth Allocation Gap |
| BAI |
residual burst strength after impact |
| BARS |
Baseline Accounting Reporting System |
| BAS |
Basic Accounting System |
| BAT |
Back-up Control Center Activation Team |
| BATC |
Ball Aerospace & Technology Corporation |
| BATSAT |
Broadband Advanced Technologies Satellite |
| BATSE |
Burst & Transient Source Experiment (on CGRO) |
| BAe |
British Aerospace (now BAE SYSTEMS) |
| BB |
breadboard |
| BBA |
Baseband Assembly |
| BBN |
Broadband Network |
| BBS |
Bulletin Board System |
| BBXRT |
Broad-Band X-Ray Telescope (ASTRO package) |
| BC |
broadcast code |
| BC |
bus controller |
| BC |
Bolt Controller |
| BC |
broadcast channel |
| BC |
bypass of acceptance check & control |
| BCC |
Backup Control Center |
| BCC |
Backup Command and Control |
| BCD |
Binary Coded Decimal |
| BCDS |
Broadband Communications Distribution System |
| BCDU |
battery charge–discharge unit |
| BCE |
Battery Conditioning Equipment |
| BCH |
Bose-Chaudhuri-Hocquenghem |
| BCI |
bulk cable injection |
| BCLS |
Basic Cardiac Life Support |
| BCOP |
Bi-lateral Crew Operations Panel |
| BCR |
Baseline Change Request |
| BCRS |
barycentric celestial reference system |
| BCS |
Berthing Cue System |
| BCSR |
Baseline Check-Status Review |
| BCSS |
Biotechnology Cell Science Stowage |
| BCT |
Back-up Control Center Communications Team |
| BCTA |
bias calibration table assembly |
| BCWP |
Budgeted Cost of Work Performed |
| BCWS |
Budget Cost of Work Scheduled |
| BD |
Beidou |
| BDA |
Bermuda (call sign for Bermuda Ground Network Tracking Station) |
| BDB |
Big Dumb Booster |
| BDC |
Baseline Data Collection |
| BDE |
Batch Data Entry |
| BDEALS |
Bi-Lateral Data Exchange Agreements List |
| BDM |
bi-level discrete monitor |
| BDS |
Baseline Data System |
| BDS |
Backup Drive System (JEMRMS) |
| BDT |
Back-up Control Center Deployment Team |
| BE |
Beacon Explorer |
| BE |
Base Excess |
| BEAR |
Beam Experiment Aboard Rocket |
| BEARS |
Berkeley Extreme UV Airglow Rocket Spectrometer |
| BEE |
basic end effector |
| BEM |
Bug-Eyed Monster |
| BEO |
Beyond Earth Orbit |
| BEOS |
Bremen Experiment Operations System |
| BEP |
Berthing Mechanism Electronics Package |
| BER |
bit error rate |
| BERTS |
Bit Error Rate Test Set |
| BES |
Bus Enable Switch |
| BFA |
Business Forecasting and Analysis |
| BFN |
beam forming network |
| BFO |
blood-forming organ |
| BFS |
Backup Flight Software |
| BFS |
Backup Flight System |
| BG |
beta gimbal |
| BGA |
beta gimbal assembly |
| BGRV |
Boost Glide Reentry Vehicle |
| BGUSat |
Ben Gurion University Satellite |
| BH |
Black Hole |
| BHP |
Behavioral Health & Performance |
| BIC |
Barium Ion Cloud |
| BIE |
Battery Interface Electronics |
| BIL |
Bilirubin |
| BIM |
Body Impedance Measurement |
| BIMA |
Berkeley Illinois Maryland Array |
| BIMSWG |
Bilateral Inventory Management System Working Group |
| BIOLAB |
Biological Laboratory |
| BIOS |
Biological Investigations of Space |
| BIOTESC |
Switzerland (Zurich) USOC |
| BIP |
Budget Input Process |
| BIP |
Bioinstrumentation Passthrough |
| BIP |
Battery Interface Plate |
| BIPM |
Bureau International des Poids et Mesures - international bureau of weights & measures |
| BIRA |
Belgian Space Agency |
| BIRD |
Bispectral Infra-Red Detection |
| BIROS |
Bispectral Infra-Red Optical System |
| BIS |
British Interplanetary Society |
| BIS |
Bureau of Industry and Security |
| BISyB |
Business Information System Building Blocks |
| BIT |
built-in testing |
| BIVP |
Bilateral Integrated Verification Plan |
| BJOP |
panel,Boeing Joint Operation Panel |
| BJOP |
Boeing Joint Operation Panel |
| BJT |
bipolar junction transistor |
| BLAST |
Bouchet Low-Earth Alpha/Beta Space Telescope |
| BLB |
Biolab |
| BLDR |
Boulder |
| BLUEsat |
Basic Low Earth Orbit University of New South Wales Experiment Satellite |
| BM |
bus monitor |
| BM |
Berthing Mechanism |
| BMAR |
Back-log Maintenance & Repair |
| BMCC |
Boeing Mission Control Center |
| BMCDU |
Berthing Mechanism Control & Display Unit |
| BMDO |
Ballistic Missile Defense Office (was SDIO) |
| BMDTTP |
Ballistic Missile Defense Test Target Program |
| BME |
Biomedical Engineer |
| BMG |
Beam Wave Guide |
| BMO |
Business Management Office (JSC) |
| BMO |
Business Management Office |
| BMS |
Battery Management System |
| BNL |
Brookhaven National Laboratory |
| BNS |
Ballistics & Navigation Software |
| BNSC |
British National Space Centre |
| BNSCSat |
British National Space Centre Satellite |
| BO |
Brownout |
| BOC |
Base Operations Contract |
| BOD |
Basic Occupation Date |
| BOD |
Board of Directors |
| BOE |
Basis of Estimate |
| BOL |
beginning of life |
| BOL |
beginning–of–life |
| BOL |
beginning-of-life |
| BOM |
bill of materials |
| BOMP |
Baseline Operations & Maintenance Plan |
| BOR |
Becpilotniye Orbitalniye Raketoplan |
| BORE |
Background Optical Radiation Experiment |
| BOSS |
Business Operations Support Subsystem |
| BP |
blood pressure |
| BP |
Bundle Protocol |
| BP |
Boiler Plate |
| BP/EGG |
blood pressure/electrocardiogram |
| BPA |
Baseband Processing Assembly |
| BPA |
Blok Perspektivnoy Avioniki |
| BPC |
Boost Protective Cover |
| BPDU |
Bitstream Packet Data Unit |
| BPGT |
Blossom Point Ground Terminal |
| BPR |
Biological and Physical Research |
| BPR |
Baseline Performance Review |
| BPRS |
Blossom Point Remote Station |
| BPSK |
binary phase shift keying (see PSK) |
| BPSK |
Binary Phase Shift Key (keyed or keying) |
| BPSK |
binary phase shift keying |
| BPSMU |
Battery Power Speaker Microphone Unit (worn by crew) |
| BR |
Bioastronautics Research |
| BR |
Bench Review |
| BRC |
Block Recording Computer |
| BRF |
boresight reference frame |
| BRI |
Basic Rate Interface |
| BRIC |
Budget and Resource Management Information Center |
| BRIC |
Biological Research In Canisters |
| BRICSat |
Ballistically Reinforced Communication Satellite |
| BRIsat |
Bank Rakyat Indonesia Satellite |
| BRML |
Block Recording Mission Log |
| BRO |
Breizh Reconnaissance Orbiter |
| BROS |
Binational Radiofrequency Observing Satellites |
| BRS |
Block Recording System |
| BRT |
tether,body restraint t. |
| BRT |
body restraint tether |
| BRT |
Bit Results Table |
| BRT |
Business and Restricted Technology |
| BRTS |
Bilateral Ranging Transponder System |
| BRU |
Block Recording Unit |
| BRU |
Battery Relay Unit |
| BRYNTRN |
Baryon transport model |
| BS |
Broadcasting Satellite |
| BSB |
British Sky Broadcasting |
| BSC |
bare solar cell |
| BSD |
bi-directional serial digital |
| BSE |
Broadcasting Satellite Experiment |
| BSHEALS |
Bi-Lateral SW/HW Exchange & Agreements List |
| BSI |
Bundesamt für Sicherheit in der Informationstechnik |
| BSM |
Bootstrap Monitor |
| BSM |
Berth Survival Mode |
| BSP |
baseband signal processor |
| BSR |
back surface reflector |
| BSR |
Biological Sciences Research |
| BSR |
Bit Slippage Rate |
| BSRN |
Baseline Surface Radiation Network |
| BSTS |
Biotechnology Specimen Temperature Controller |
| BSW |
Bit Status Word |
| BTA |
Boilerplate Test Article |
| BTE |
Boltzmann transport equation |
| BTF |
biotechnology facility |
| BTG |
bit transition generator |
| BTW |
By The Way |
| BTs |
product of bandwidth & symbol duration |
| BUN |
Blood Urea Nitrogen |
| BUSAT |
Beihang University Satellite |
| BVR |
Block V Receiver |
| BW |
bandwidth |
| BWB |
Blended Wing Body |
| BWG |
Beam Wave Guide |
| B_TYPE |
broadcast type |
| BiCMOS |
bipolar complementary metal oxide semiconductor |
| Biosat |
Biological Satellite |
| Boe-CFT |
Boeing Crew Flight Test (the first CST-100 crewed flight) |
| Booster |
Booster engineer |
| Bq |
becquerel |
| Brk |
brake |
| Byp |
bypass |
| C |
capacitance |
| C |
concentration expressed in mg/m3 |
| C&C |
command & control |
| C&C MDM |
Command & Control Multiplexer/Demultiplexer |
| C&C; CC |
command and control |
| C&CCP |
cleanliness & contamination control plan |
| C&CDH |
Command & Data Handling |
| C&DH |
Command & Data Handling |
| C&N |
Communications and Navigation |
| C&T |
Communications and Tracking |
| C&T |
Communications & Tracking |
| C&T |
communication & tracking |
| C&TCS |
Communications and Tracking Checkout System |
| C&TS |
communication & tracking system |
| C&W |
Caution & Warning |
| C&W |
Caution and Warning |
| C&W,C/W |
caution and warning (system) |
| C&WA |
Caution & Warning Analysis |
| C&WP |
C&W Panel (JEMRMS) |
| C-OOS |
Columbus On-orbit Operations Summary |
| C-T-S |
Call-To-Stations |
| C/A |
Coarse/Acquisition (code) |
| C/N |
carrier to noise ratio |
| C/N |
Carrier-to-Noise Ratio |
| C/NOFS |
Communications / Navigation Outage Forecasting System |
| C/O |
Check Out |
| C1 |
concentration expressed in ppm |
| C2NOC |
Consolidated Corporated Network Operations Center |
| C2V2 |
Common Communications for Visiting Vehicle |
| C3-PO |
Columbus Cloud Compute - Performance Ops |
| C3I |
Command, Control, Communications and Information |
| C3S |
Command, Control, & Communication Segment |
| C4 |
Command, Control, Communication Computers |
| CA |
construction analysis |
| CAA |
Crew Access Arm |
| CAAR |
compatibility assessment & applicability report |
| CAAS |
Contract Administration and Audit Services |
| CACTUS |
Coordinated Applied Capitol Technology University Satellite |
| CAD |
Center Assistant to the Director |
| CAD |
computer aided design |
| CAD |
Computer-Aided Design |
| CAD |
Computer-Aided Dispatch |
| CADMOS |
Centre d'Aide au Développement de la Microgravité et aux Opérations Spatiales |
| CADRE |
CubeSat investigating Atmospheric Density Response to Extreme driving |
| CADU |
Channel Access Data Unit (= VCDU) |
| CAE |
computer aided engineering |
| CAGE |
commercial & government entity |
| CAI |
Cargo Analysis Integration |
| CAIB |
Columbia Accident Investigation Boardy |
| CALIOP |
Cloud-Aerosol Lidar with Orthogonal Polarization |
| CALIPSO |
Cloud-Aerosol Lidar & Infrared Pathfinder Satellite Observations |
| CALIPSO |
Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation |
| CAM |
maneuver,Collision Avoidance Maneuver (ATV) |
| CAM |
Collision Avoidance Maneuver |
| CAM |
Collision Avoidance Maneuver (ATV) |
| CAM |
Centrifuge Accommodation Module |
| CAM |
Computer-Aided Manufacturing |
| CAM |
Control Account Managers |
| CAM |
Centrifuge Accomodation Module |
| CAM/CAF |
computerized anatomical man/male / computerized anatomical female |
| CAMEO |
Chemically Active Materials Ejected in Orbit |
| CAN |
Call sign for Canberra, Australia Ground Network Tracking Station |
| CAN |
controller area network |
| CANDOS |
Communications and Navigation Demonstration on Shuttle |
| CANYVAL-X |
CubeSat Astronomy by NASA & Yonsei using Vision ALignment eXperiment |
| CAP |
Competitive Access Provider |
| CAP |
Control Account Plan |
| CAP |
Corrective Action Plan |
| CAPCOM |
Capsule Communicator |
| CAPE |
Cajun Advanced Picosat Experiment |
| CAPER |
Cleft Accelerated Plasma Experiment Rocket |
| CAPEX |
Capital Expenditures Airbus (CapEx) |
| CAPL |
Centre Aisle Payload |
| CAPS |
Comet/Asteroid Protection System |
| CAPSTONE |
Cislunar Autonomous Positioning System Technology Operations & Navigation Experiment |
| CAPSat |
Cooling, Annealing, Pointing Satellite |
| CAR |
Cloud Absorption Radiometer |
| CAR |
Corrective Action Request |
| CARA |
California Association for Research in Astronomy |
| CARA |
Center for Astrophysical Research in Antarctica |
| CARDS |
Computer-Aided Recording and Display System |
| CART |
Cloud and Radiation Testbed |
| CART |
Columbus Access Request Tool |
| CART |
Columbus Anomaly Response Team |
| CARVE |
Carbon in Arctic Reservoirs Vulnerability Experiment |
| CAS |
Cooperative Application Satellite |
| CAS |
Cross-Agency Support |
| CAS |
Cost Accounting Standards |
| CAS |
Coverage Analysis System |
| CAS |
Calibrated Ancillary System |
| CASA |
Crew Alternate Sleep Accommodation |
| CASIS |
Center for the Advancement of Science in Space |
| CASP |
Cross Agency Support Programs |
| CASPA |
Cold Atom Space Payload |
| CAST |
Chinese Academy of Space Technology |
| CAST |
Commercial Aviation Safety Team |
| CAT |
Configuration Assessment Tool |
| CAT |
CubeSat Assessment & Test |
| CAT |
Corrective Action Team |
| CAT |
Capsule Ariane Technologique |
| CATIA |
Drawing Program Name |
| CATM&E |
Catalog Maintenance & Enhancement |
| CATO |
Communication & Tracking Officer |
| CATS |
Cheap Access To Space |
| CATS |
Cloud-Aerosol Transport System |
| CATSAT |
Cooperative Astrophysics And Technology Satellite |
| CAVES |
Cooperative Adventure for Valuing & Exercising human behavior & performance Skills |
| CB |
Connection Box |
| CB |
Control Board |
| CB INT |
Control Bus Internal |
| CBA |
Charcoal Bed Assembly |
| CBA |
Collective Bargaining Agreements |
| CBA |
common berthing adapter |
| CBC |
Complete blood count |
| CBCP |
current baseline cost plan |
| CBCS |
Computer Based Control System |
| CBERS |
China Brazil Earth Resources Satellite |
| CBGA |
ceramic ball grid array |
| CBIT |
Commanded BIT |
| CBIT |
Comprehensive Built in Test |
| CBJ |
Congressional Budget Justification |
| CBM |
common berthing mechanism |
| CBOSS |
Cellular Biotechnology Operations Support System |
| CBPD |
Continuous Blood Pressure Device |
| CBR |
Constant Bit Rate |
| CBS |
cost breakdown structure |
| CBT |
Computer Based Tools |
| CBT |
Computer Based Training |
| CBTA |
Computer Based Training Area |
| CC |
Common Carrier |
| CC |
(ATV) Control Center |
| CC |
Cluster Controller |
| CC |
(Integrated) Cargo Carrier |
| CC |
Centennial Challenges Program |
| CC |
Configuration Control |
| CC |
Convolutional Coding |
| CC |
Control Centre |
| CC&M |
common cause & common failure mode analysis |
| CCA |
Circuit Card Assembly |
| CCA |
Carbon Dioxide Control Assembly |
| CCA |
communication carrier assembly,comm(unication) cap |
| CCACS |
Center for Commercial Applications of Combustion in Space |
| CCAFS |
Cape Canaveral Air Force Station |
| CCAS |
Contractor Cost Accrual System |
| CCAS |
Cape Canaveral Air Station (now once again CCAFS) |
| CCB |
Configuration Control Board |
| CCB |
Change Control Board / Contract Change Board |
| CCC |
Concurrent Computer Corporation |
| CCC |
Control Center Complex |
| CCC |
Consolidated Control Center |
| CCCD |
Crew Compartment Configuration Drawing |
| CCCM |
Center Customer Commitment Manager |
| CCD |
Charge-Coupled Device |
| CCDB |
configuration control database |
| CCDPI |
command, control, & data prime item |
| CCDS |
Customer Cost Distribution System |
| CCDS |
Consultative Committee On Space Data Systems |
| CCDS |
Centers for the Commercial Development of Space |
| CCDTS |
Common Carrier Domestic Satellite Transponder Service |
| CCDev |
Commercial Crew Development |
| CCE |
Charge Composition Explorer |
| CCF |
Component Configuration Flag |
| CCF |
Consolidated Communications Facility |
| CCGA |
ceramic column grid array |
| CCGSE |
Carrier/Customer Ground Support Equipment |
| CCHP |
constant conductance heat pipe |
| CCITT |
Consultative Committee for International Telephone and Telegraph |
| CCITT |
Consultative Committee for International Telegraph & Telephone |
| CCL |
Closed-circuit loop |
| CCM |
CoFR Coordination Manager |
| CCM |
Customer Commitment Manager |
| CCMC |
Community Coordinated Modeling Center |
| CCN |
Contract Change Notice |
| CCO |
Contract Change Order |
| CCO |
Customer Commitment Office |
| CCOM |
Control Center Operations Manager |
| CCP |
Camera Control Panel (JEMRMS) |
| CCP |
Commercial Crew Program |
| CCPK |
crew contaminant protection kit |
| CCPK |
Crew Contamination Protection Kit |
| CCR |
Corner Cube Reflector |
| CCS |
Columbus Coolant Service |
| CCS |
Command & Control System |
| CCS |
Complex Control Sets |
| CCS |
Cuts, Consolidations, & Savings |
| CCS |
Communications and Control Segment/System |
| CCS |
Command & Control Software |
| CCS |
Configuration and Control Segment |
| CCS |
Contamination Control System |
| CCSA |
Common Control Switching Arrangement |
| CCSDS |
Consultative Committee for Space Data Systems |
| CCSFS |
Cape Canaveral Space Force Station (formerly: CCSAS – Cape Canaveral Air Force Station) |
| CCSFS |
Cape Canaveral Space Force station |
| CCSP |
Climate Change Science Program |
| CCSR |
Communications and Control Segment Replacement |
| CCT |
Central Communications Terminal |
| CCTV |
closed circuit television |
| CCTV |
Closed-Circuit Television |
| CCU |
Configuration Control Unit |
| CCU |
Center Control Unit |
| CCV |
Commercial Crew Vehicle |
| CCW |
Configuration Command Word |
| CCW |
counterclockwise |
| CCWS |
command and control workstation |
| CD |
Central Data |
| CD |
Compact Disc |
| CD&SC |
Communications Distribution and Switching Centers |
| CD-MCS |
Columbus Decentralized Mission Control System |
| CD-ROM |
Compact Disc Read-Only Memory |
| CDA |
Command and Data Acquisition |
| CDA |
Cabin Depressurization Assemblies |
| CDAF |
Central Data Acquisition Facility |
| CDC |
Control Data Corporation |
| CDC |
Centers for Disease Control |
| CDCN |
Control and Display Computer Network |
| CDDT |
Countdown Demonstration Test |
| CDE |
Common Desktop Environment |
| CDE |
Consolidated Development Environment |
| CDF |
Communications Data Formatter |
| CDF |
Concurrent Design Facility |
| CDF |
Command Frame |
| CDG |
Command & Data Group |
| CDHF |
Central Data Handling Facility |
| CDI |
Configuration Data Item |
| CDL |
capillary driven loop |
| CDL |
Controlled Documents List |
| CDM |
Commercial Development Manager |
| CDM |
Continuous Diagnostics and Mitigation |
| CDM |
Canadian Dexterous Manipulator |
| CDMA |
Code Division Multiple Access |
| CDMCS |
Columbus Distributed Monitoring & Control Subsystem |
| CDMI |
Columbus Data Management Infrastructure |
| CDMU |
central data management unit |
| CDMU |
command & data management unit |
| CDR |
crew commander |
| CDR |
Conceptual Design Review |
| CDR |
Critical Design Review |
| CDR |
Space Station Commander (crew position) |
| CDR |
Commander |
| CDR |
Central Data Recording |
| CDRA |
Carbon Dioxide Removal Assembly |
| CDRS |
Carbon Dioxide Removal System |
| CDRS |
Carbon Dioxide Reduction |
| CDS |
Command and Data Software |
| CDS |
Capability Demonstration Satellite |
| CDS |
Control Data Systems |
| CDSCC |
Canberra Deep Space Communications Complex |
| CDT |
Customer Documentation Tree |
| CDU |
Configuration Data Unit |
| CE |
conducted emission |
| CE |
Current Expendable |
| CE |
Conformité Européenne |
| CE |
Chief Engineer |
| CE&R |
Concept Evaluation and Refinement |
| CEA |
Center Export Administrator |
| CEASE |
compact environmental anomaly sensor |
| CEB |
combined electronics box |
| CECC |
CENELEC electronic components committee |
| CECOFF |
Columbus Engineering Coordination Officer |
| CECR |
Construction & Environmental Compliance & Restoration |
| CEF |
Change Evaluation Form |
| CEFN |
Columbus Electronic Flight Notes |
| CEIT |
Crew Equipment Interface Test |
| CELESTA |
CERN Latchup Experiment Student satellite |
| CELT |
Critical Event Log Table |
| CELTEE |
CubeSat Enhanced Locator Transponder Evaluation Experiment |
| CEN |
European Committee for Standardization |
| CENBUD |
Central Budget System |
| CENELEC |
Comité Européen de Normalisation Electrotechnique |
| CEO |
Crew Earth Observation |
| CEOS |
Committee on Earth Observation Satellites |
| CEOS |
Committee on Earth Observation Satellites (LaRC) |
| CEP |
Cylindrical Electrostatic Probe |
| CEPA |
Columbus External Payload Adapter |
| CEPEX |
Central Equatorial Pacific Experiment |
| CEPXS/ONELD |
One-dimensional Coupled Electron-Photon Multigroup Discrete Coordinates Code System |
| CERES |
Capacité de Renseignement Electromagnétique d’origine Spatiale |
| CERES |
Clouds & the Earth's Radiant Energy System |
| CERES |
Clouds and the Earth’s Radiant Energy System |
| CERES |
Central European Regional Satellite |
| CERN |
European Organisation for Nuclear Research |
| CERT |
ESA Computer & Communications Emergency Response Team |
| CES |
Contingency Exercise Surface |
| CESAR |
Chile Satellite for Amateur Radio |
| CESG |
CCSDS Engineering Steering Group |
| CESR |
Centre d'Etude Spatiale des Rayonnements Mars exploration |
| CET |
Central European Time |
| CETA |
crew & equipment translation assembly |
| CETA |
aid,crew and equipment translation a. |
| CETA |
crew and equipment translation aid; crew and equipment translation assembly |
| CEU |
control electronics unit |
| CEV |
Crew Exploration Vehicle |
| CEV |
Crew Exploration Vehicle (old Constellation term) |
| CEVIS |
Cycle Ergometer with Vibration Isolation System |
| CEVP |
Countermeasure Evaluation and Validation Project |
| CEX |
charge exchange |
| CF |
Central Facility |
| CF |
communication frame |
| CFA |
Cabin Fan Assembly |
| CFA |
adapter,Centaur Forward Adapter (CST-100 LV) |
| CFA |
Center For Astrophysics |
| CFC |
Chlorofluorocarbons |
| CFC |
ChloroFluoroCarbon |
| CFCT |
Col-CC Flight Control Team |
| CFD |
Computational Fluid Dynamics |
| CFD |
Central Flight Dynamics (Subsystem) |
| CFDP |
CCSDS File Delivery Protocol |
| CFESat |
Cibola Flight Experiment Satellite |
| CFF |
Columbus Free Flyer |
| CFHT |
Canada-France-Hawaii Telescope |
| CFI |
Customer Furnished Item |
| CFISRD |
customer furnished items & services requirements document |
| CFIT |
Controlled Flight Into Terrain |
| CFLOS |
Cloud-free-line-of-sight |
| CFN |
Columbus Flight Note |
| CFO |
Chief Financial Officer |
| CFR |
Code of Federal Regulations |
| CFRP |
carbon fibre reinforced polymer |
| CFRP |
carbon-fibre-reinforced plastic |
| CFRP |
carbon fibre reinforced plastic |
| CFT |
test,Crew Flight Test |
| CFT |
Crew Flight Test |
| CFU |
colony forming unit |
| CG |
Center of Gravity |
| CGA |
column grid array |
| CGBA |
Commercial Generic Bioprocessing Apparatus |
| CGI |
Common Gateway Interface |
| CGRO |
Compton Gamma Ray Observatory |
| CGRO |
(Arthur Holley) Compton Gamma Ray Observatory (was GRO) |
| CGS |
Columbus Ground Software (or System) |
| CGS |
Columbus Ground System |
| CGSI |
Columbus Ground System Infrastructure |
| CH |
collection hardware |
| CHAMP |
Comet Halley Active Monitoring Program |
| CHAMP |
Challenging Mini-Satellite Payload |
| CHARA |
Center for High Angular Resolution Astronomy |
| CHARGE |
Cooperative High Altitude Rocket Gun Experiments |
| CHARGECON-GEO |
Charge Control in Geostationary Orbit |
| CHARM |
CubeSat Hydrometric Atmospheric Radiometer Mission |
| CHEFsat |
Cost-effective High E-Frequency Satellite |
| CHEM |
Chemistry |
| CHEOPS |
Characterising Exoplanets Satellite |
| CHI |
Computer Human Interface |
| CHIA |
cargo-handling interface adapter |
| CHIPS |
Cosmic Hot Interstellar Plasma Spectrometer |
| CHIPS |
Cosmic Hot Interstellar Spectrometer |
| CHIPSat |
Cosmic Hot Interstellar Plasma Spectrometer |
| CHIRP |
Commercially Hosted Infrared Payload |
| CHIRP |
CubeSat VHF pulse transmitter to study the Ionospheric dispersion Radio Pulses |
| CHIRPS |
Computer Hardware Inventory and Repair Processing System |
| CHIT |
(See MAR new title of the document) |
| CHOL |
Cholesterol |
| CHOMPTT |
CubeSat Handling Of Multisystem Precision Time Transfer |
| CHP |
Crew Health & Performance |
| CHRS |
centralized heat removal system |
| CHS |
Crew Health & Safety |
| CHS |
Crew Health and Safety |
| CHX |
Condensing Heat Exchanger |
| CHeCS |
Crew Health Care System |
| CI |
Configuration Item |
| CIB |
Continuous Improvement Board |
| CIC |
Capital Investment Council |
| CIC |
CSOC Integration Center |
| CIC |
Copper - Invar - Copper |
| CIC |
connector integrated cell |
| CICA |
Competition in Contracting Act |
| CICERO |
Community Initiative for Cellular Earth Remote Observation |
| CID |
circuit interrupt device |
| CIDL |
Configuration Item Data List |
| CIDP |
Central Instrument Data Processor |
| CIEF |
Carrier Independent Exchange Facility |
| CIF |
Center Innovation Fund Program |
| CIF |
Central Instrumentation Facility |
| CIL |
critical items list |
| CIL |
critical-item list |
| CIL |
critical item list |
| CIM |
Customer Interface Management |
| CIMO |
Customer Interface Management Office |
| CIMON |
Crew Interactive MObile companioN |
| CIMS |
Calibration Information Management System |
| CINDI |
Coupled Ion Neutral Dynamics Investigation |
| CINEMA |
CubeSat for Ions, Neutrals, Electrons, & Magnetic fields |
| CIO |
Center Information Officer |
| CIO |
Chief Information Officer |
| CIO |
Cargo Integration Officer |
| CIO |
Customer Integration Office |
| CIOP |
Columbus Increment Operations Planner |
| CIP |
Configuration Item Production Data List |
| CIP |
International Communications and Information Policy |
| CIP |
Change Information Page |
| CIPAIR |
Curriculum Improvements Partnership Award for the Integration of |
| CIR |
combustion integrated rack |
| CIRA |
COSPAR International Reference Atmosphere |
| CIRAS |
CubeSat Infrared Atmospheric Sounder |
| CIRBE |
CubeSat Inner Radiation Belt Experiment |
| CIRRIS |
Cryogenic InfraRed Radiance Instrument for Shuttle |
| CIRiS |
Compact Infrared Radiometer in Space |
| CIS |
Commercialization, Innovation, and Synergies |
| CIS |
Center Information System |
| CIS |
Centre for Internet Security |
| CIS |
CGS Interface Server |
| CIT |
Circumstellar Imaging Telescope |
| CITE |
Cargo Integrated Test Equipment |
| CITEL |
Inter-American Telecommunications Commission |
| CIU |
Central Interface Unit |
| CIU |
Communication Interface Unit |
| CI± |
chemical ionization |
| CJ |
Congressional Justification (Budget) |
| CJ |
Congressional Justification |
| CK |
Creatinine Kinase |
| CL |
Contractor Leased |
| CL |
Confidence Level |
| CLA |
capture latch assembly |
| CLA |
Camera/Light Assembly |
| CLARREO |
Climate Absolute Radiance & Refractivity Observatory |
| CLASS |
Communications Link Analysis and Simulation System |
| CLCC |
ceramic leaded chip carrier |
| CLCL |
Checkout and Launch Control System |
| CLCN |
Commercial Lunar Communication and Navigation |
| CLCS |
Checkout and Launch Control System |
| CLCS |
Consolidated Launch Control System |
| CLCW |
communications link control word |
| CLCW |
command link control word |
| CLF |
Central Logistics Facility |
| CLF |
Consolidated Logistics Facility |
| CLICK |
CubeSat Laser Infrared Crosslink |
| CLIP |
Columbus Lead Increment Planner |
| CLIPS |
C Language Integrated Production System |
| CLMP |
Coding Modulation Link Protocol |
| CLPA |
Camera/Light & Pan/tilt unit Assembly |
| CLPS |
Commercial Lunar Payload Support |
| CLS |
Columbus Language System |
| CLSOV |
Condensate Line Shut Off Valve |
| CLSRB |
Current Launch Schedule Review Board |
| CLSW |
Columbus LAN Switch |
| CLTU |
Command Link Transmission Unit |
| CLTU |
communications link transmission unit |
| CLTV |
Cis-Lunar Transfer Vehicle |
| CLV |
Commercial Launch Vehicle |
| CLV |
Crew Launch Vehicle |
| CM |
Command Module (Apollo spacecraft) |
| CM |
Command Module |
| CM |
Columbus module |
| CM |
Center of Mass |
| CM |
Configuration Management |
| CM |
Co-elliptic Maneuver |
| CM |
module,Crew Module (CST-100) |
| CM |
Countermeasures |
| CM |
corrective maintenance |
| CM |
Crew Module |
| CM&O |
Center Management & Operations |
| CM&S |
Communications Maintenance and Storage |
| CMA |
China Meteorological Administration |
| CMA |
Crew Module Adapter |
| CMA |
Command Modulator Assembly |
| CMASS |
Crew Module Ammonia Servicing Subsystem |
| CMAU |
Columbus network Monitoring & Administration Unit |
| CMBR |
Cosmic Microwave Background Radiation |
| CMC |
Complex Monitor and Control |
| CMC |
Center for Macromolecular Crystallography |
| CMC |
Ceramic Matrix Composites |
| CMC |
Center Management Council |
| CMCB |
Configuration Management Control Board |
| CMCC |
Central Mission Control Centre (ESA) |
| CMD |
Command |
| CMDB |
Configuration Management Database |
| CME |
Coronal Mass Ejection |
| CMG |
control moment gyroscope |
| CMG only |
CMG only mode |
| CMG/TA,CMG TA |
CMG/Thruster Assist mode |
| CMIF |
complex mode indicator function |
| CMILP |
consolidated maintenance inventory logistics planning |
| CMIP |
Common Management Information Protocol |
| CML |
current mode logic |
| CMLP |
Coding, Modulation, and Link Protocol |
| CMM |
carrier modulation mode |
| CMMI |
capability maturity model integration |
| CMO |
Configuration/Contract Management Office |
| CMO |
Configuration Management Office |
| CMO |
crew medical officer |
| CMO |
Center Management Operations |
| CMOS |
complementary metal oxide semiconductor |
| CMP |
Configuration Management Plan |
| CMRD |
Configuration Management Receipt Desk |
| CMRS |
crew medical restraint system |
| CMS |
Command Management System |
| CMS |
Command and Monitoring System |
| CMS |
countermeasures system: |
| CMS |
Countermeasure System |
| CMS |
Carbon Monitoring System |
| CMS |
countermeasures system |
| CMS |
CDAF Matrix Switch |
| CMS |
Command Matrix Switch |
| CMS |
carbon molecular sieve |
| CMSM |
Center Mission Services Manager |
| CMU |
Command & Measurement Unit |
| CMV |
Co-Manifested Vehicle |
| CMW |
Change Management Workflow |
| CMWG |
Configuration Management Working Group |
| CN |
criticality number |
| CN |
change notice |
| CNES |
Centre Nationale D’Etudes Spatiale (French Space Agency) |
| CNES |
National Center for Space Study (France) |
| CNES |
Centre National d’Etudes Spatiales (National Space Study Center – France) |
| CNMOS |
Consolidated Network and Mission Operations Support |
| CNO |
Carbon-Nitrogen-Oxygen |
| CNQ |
Cost of No Quality |
| CNS |
central nervous system |
| CNSA |
China National Space Administration |
| CNSI |
Classified National Security Information |
| CNSR |
Comet Nucleus Sample Return |
| CNTL |
Control |
| CNUSail |
Chungnam National University Sail |
| CO |
Carbon Monoxide |
| CO |
Contracting Officer |
| CO2 |
Carbon Dioxide |
| COA |
Certificate of Acceptance |
| COADS |
Comprehensive Ocean and Atmosphere Data Set |
| COAP |
COre APplication Software |
| COARE |
Coupled Ocean-Atmosphere Response Experiment |
| COB-ID |
communication object identifier |
| COBE |
Cosmic Background Explorer |
| COBRAS |
Cosmic Background Radiation Anisotropy Satellite |
| COC |
cross orthogonality check |
| COD |
Center Operations Directorate |
| COF |
Columbus Orbital Facility |
| COF |
Patric Air Force Base (TACAN) |
| COF-APM |
Columbus Orbital Facility - Attached Pressurized Module |
| COF2 |
Carbonyl Fluoride |
| COG |
centre of gravity |
| COGS |
Cost Estimating Module for Mission Operations and Ground Data Systems |
| COL |
Columbus |
| COL FD |
Columbus Flight Director |
| COL-ACE |
Columbus Activation & Checkout Engineer |
| COL-BCC |
Columbus Back-up Control Centre |
| COL-CC |
Columbus Control Center |
| COL-ESC |
Columbus Engineering Support Centre |
| COL-KA |
Columbus Ka-Band Antenna |
| COL-OV |
Columbus Operational Validation |
| COL-TRE |
Columbus Trainer Europe |
| COLA |
Collision On Launch Assessment |
| COLEST |
Columbus Operations |
| COLKA |
Columbus Ka-Band Antenna |
| COM |
Center of Mass |
| COM/MON |
Command/Monitoring |
| COMET |
Commercial Experiment Transporter |
| COMET |
Columbus Operation & Mission Execution Timeline Engineer |
| COMETS |
Communication Engineering Test Satellite |
| COMM |
Communications |
| COMMA |
comma K28.7 |
| COMMS |
Communications |
| COMPTEL |
COMPton TELescope (on CGRO) |
| COMS |
Communication, Ocean & Meteorological Satellite |
| COMSEC |
Communications Security |
| CONAE |
Argentina’s National Committee of Space Activities |
| CONFIG |
Configuration |
| CONS |
Connection Oriented Network Service |
| CONTOUR |
Comet Nucleus Tour |
| COOP |
Continuity of Operations Plan |
| COP |
Columbus Operations Planner |
| COPC |
composite over-wrapped pressurized component |
| COPE |
Cooperative Observations of Polar Electrodynamics |
| COPPER |
Close Orbiting Propellant Plume & Elemental Recognition |
| COPS |
composite over-wrapped pressurized structures |
| COPV |
composite overwrapped pressure vessel |
| COR |
Center Of Rotation |
| COR |
Communications Outage Recorder |
| COR |
Contracting Officer’s Representative (formerly COTR) |
| COR |
Computer Operations Room |
| CORB |
Columbus Operations Readiness Board |
| CORBA |
Common Object Request Broker Architecture |
| CORBA |
Common Object Request Brocker Architecture |
| CORF |
Committee on Radio Frequency |
| CORIS |
Code O Requirements Information System |
| COROT |
Convection Rotation à Transits planétaires / Convection Rotation & planetary Transits |
| COS |
Celestial Observation Satellite |
| COSMIC |
Constellation Observing System for Meteorology, Ionosphere & Climate |
| COSMIC |
Constellation Observing System for Meteorology Ionosphere and Climate |
| COSMO |
Columbus On-orbit Stowage & Maintenance Officer |
| COSMO |
Constellation of Small Satellites for Mediterranean basin observation |
| COSPAR |
Committee on Space Research |
| COSPAS |
Space System for the Search of Vessels in Distress (Cosmicheskaya Sistyema Poiska Avariynich Sudov – Russian) |
| COSPE |
composite over-wrapped special pressurized equipment |
| COSS |
Crew Onboard Support System |
| COSTAR |
Corrective Optics Space Telescope Axial Replacement |
| COSTR |
Collaborative Solar-Terrestrial Research |
| COT |
Crew Operations Team |
| COTR |
Contracting Officer’s Technical Representative |
| COTS |
Commercial Off The Shelf |
| COTS |
Commercial Orbital Transportation System |
| COTS |
Commercial Orbital Transportation Services |
| COTS |
Commercial Off-The-Shelf |
| COU |
Concept of Operations & Utilization |
| COU |
Concept of Operations and Utilization |
| COUP |
Consolidated Operations & Utilization Plan |
| CP |
Cal Poly Picosatellite |
| CP |
Camera Port |
| CP |
Check Point |
| CPA |
Command Processor Assembly |
| CPACS |
Cargo Planning Analysis & Configuration System |
| CPAH |
Columbus Payload Accommodation Handbook |
| CPC |
Commercial Payload Centres |
| CPDMI |
Columbus Payload Data Management Infrastructure |
| CPDU |
command pulse distribution unit |
| CPE |
Change Package Engineer |
| CPE |
Customer-provided equipment |
| CPE |
chlorinated poly ethylene |
| CPEOC |
Community Partners Emergency Operations Center |
| CPF |
Calibration Parameter File |
| CPI |
Columbus Payload Integration |
| CPI |
Cost Performance Index |
| CPIA |
chemical propulsion information agency |
| CPIF |
Cost Plus Incentive Fee |
| CPL |
capillary pumped loop |
| CPLSW |
Columbus Payload LAN SWitch |
| CPM |
critical path method |
| CPN |
Change Page Notice |
| CPOD |
Cubesat Proximity Operations Demonstration |
| CPP |
Capacity Projection Plan |
| CPP |
Central Part Procurement |
| CPPA |
centralized parts procurement agent |
| CPPI |
crystal preparation prime item |
| CPR |
Cardiopulmonary resuscitation |
| CPRP |
Critical Path Road Map Project |
| CPS |
Cryogenic Propulsion Stage |
| CPS |
Consolidated Planning System |
| CPSD |
Crew Personal Support Drive |
| CPST |
Cryogenic Propellant Storage & Transfer |
| CPU |
central processing unit; central processor unit |
| CPU |
central processing unit |
| CPU |
Computer Processing Units |
| CPV |
composite pressure vessel |
| CPWG |
Crew Provisioning Working Group |
| CQ |
Crew Quarter |
| CQRM |
Crew Qualification & Responsibility Matrix |
| CQRM |
Crew Qualification Requirement Matrix |
| CR |
Compliance Review |
| CR |
Change Request |
| CRA |
cleaning requirement analysis |
| CRADA |
Cooperative Research and Development Agreements |
| CRAF |
Comet Rendezvous / Asteroid Flyby |
| CRAM |
Communications Routing and Metering |
| CRC |
Critical Replaning Criteria |
| CRC |
cyclic redundancy check |
| CRC |
cyclic redundancy code |
| CRC |
Communications Research Centre (Canada) |
| CRCM |
Combined Radiometric Correction Model |
| CREA |
Creatinine |
| CREAM |
Cosmic Ray Energetics & Mass |
| CREME |
cosmic ray effects on microelectronics |
| CRES |
corrosion-resistant steel |
| CRF |
Capability Reliance Framework |
| CRF |
Communications Resource Facility |
| CRI |
Center for Rotorcraft Innovation |
| CRISTA-SPAS |
Cryogenic Infrared Spectrometers & Telescopes for the Atmosphere Shuttle Palette Satellite |
| CRK |
CO2 Removal Kit |
| CRL |
Communications Research Laboratory (Japan) |
| CRL |
Countermeasure Readiness Level |
| CRL |
Cambridge Research Laboratory Satellite |
| CRM |
Continuous Risk Management |
| CRO |
Chemical Release Observation |
| CRONUS |
Communications, Radio Frequency, and Onboard Networks Utilization Specialist |
| CRPCM |
Canadian remote power control module |
| CRR |
commissioning results review |
| CRR |
commissioning result review |
| CRR |
customer requirements review |
| CRRES |
Combined Release / Radiation Effects Satellite |
| CRS |
Commercial Resupply Services |
| CRT |
Cathode-Ray Tube |
| CRT |
Centerline Reflector Target |
| CRV |
Crew Return Vehicle |
| CRYOSTAT |
Cryogenic Propellant Storage & Transfer |
| CS |
Communication Satellite |
| CS |
Constellation Systems |
| CS |
Critical System |
| CS |
Customer Service |
| CS |
central supplies |
| CSA |
Canadian Space Agency (also ASC) |
| CSA |
Canadian Space Agency |
| CSA |
Cooperative Solar Array |
| CSA-CP |
compound specific analyzer–combustion products |
| CSA-CP |
Compound Specific Analyzer-Combustion Products |
| CSA-H |
compound specific analyzer–hydrazine |
| CSAD |
communication system analysis document |
| CSADD |
communication system architectural design document |
| CSAR |
Configuration Status Accounting Report |
| CSBD |
communication system baseline definition |
| CSC |
Commercial Space Centers |
| CSC |
Computer Sciences Corporation |
| CSCI |
Computer Software/system Configuration Item |
| CSCI |
Computer Software Configuration Item |
| CSCS |
Central Security Control System |
| CSD |
Commercial Spaceflight Development |
| CSD |
coordinate systems document |
| CSDA |
continuous slowing down approximation range |
| CSDDD |
communication system detailed design document |
| CSDL |
Combined Systems Development Lab |
| CSEA |
Commercial Spectrum Enhancement Act |
| CSES |
China Seismo-Electromagnetic Satellite |
| CSG |
Centre Spatial Guyanais - Kourou Launch Site |
| CSG |
Crew Support Group |
| CSI |
Cost Savings Initiative |
| CSI |
customer source inspection |
| CSIC |
CMV Software Integegration Cycle |
| CSIR |
Council for Scientific and Industrial Research (South Africa) |
| CSIRO |
Commonwealth Scientific and Industrial Research Organisation (Australia) |
| CSIRT |
Computer Security Incident Response Team |
| CSLA |
Contract Service Level Agreement |
| CSLE |
Civil Service Labor and Expenses |
| CSLE |
Civil Service Labor & Expenses |
| CSLM |
Coarsening in Solid-Liquid Mixtures |
| CSM |
Customer Satisfaction Metrics |
| CSM |
Command & Service Module (Apollo spacecraft) |
| CSMAC |
Communication System Monitor and Control |
| CSO |
Chief S&MA Officer |
| CSO |
Communication Service Office |
| CSOAR |
Colorado Student Atmospheric Rocket |
| CSOC |
Consolidated Space Operations Center |
| CSOC |
Consolidated Space Operations Contract |
| CSOM |
communication system operations manual |
| CSP |
Cost Savings Profile |
| CSP |
CheCS Supply Pack |
| CSPD |
communication system profile document |
| CSPE |
Colorimetric Solid Phase Extraction |
| CSR |
Communication Service Request |
| CSRD |
Current Stage Requirement Document |
| CSRM |
Coordination Status Review Meeting |
| CSS |
Cross Support Services |
| CSS |
Control and Status System |
| CSS |
Core Simulation Software |
| CSS |
Communications Services Section |
| CSSWE |
Colorado Student Space Weather Experiment |
| CST-100 |
Crew Space Transportation 100 |
| CSTC |
Consolidated Space Test Center |
| CSTC |
Consolidated Space Test Center (USAF) |
| CSTD |
Crosscutting Space Technology Development |
| CSTL |
Communications, Standards, and Testing Lab |
| CSTS |
Cross Support Transfer Service |
| CSU |
Channel Service Unit |
| CSU |
command-signal unit |
| CSUNSat |
California State University Northirdge Satellite |
| CSV |
comma-separated values |
| CSVP |
communication system verification plan |
| CSVS |
Canadian space vision system |
| CSW |
Configuration Status Words |
| CT |
Crawler Transporter |
| CT |
Communication and Tracking (system) |
| CT |
Compatibility Testing |
| CTA |
Centro Tecnico Aeroespacial (Brazil) |
| CTA |
Canadian Target Assembly |
| CTB |
Cargo Transfer Bag |
| CTB |
Central Thermal Bus |
| CTBE |
Cargo Transfer Bag Equivalent |
| CTC |
Chief Technologist Council |
| CTCA |
Cabin Temperature Control Assembly |
| CTCBV |
Cabin Temperature Controller Bypass Valve |
| CTCU |
Central Telemetry and Command Unit |
| CTCU |
Cabin Temperature Control Unit |
| CTE |
coefficient of thermal expansion |
| CTE |
charge transfer efficiency |
| CTFS |
Common Time and Frequency System |
| CTG |
Communication & Tracking Group |
| CTI |
charge transfer inefficiency |
| CTIM-FDA |
Compact Total Irradiance Monitor Flight Demonstration |
| CTIO |
Cerro Tololo Interamerican Observatory |
| CTL |
Compatibility Test Laboratory |
| CTLP |
compatibility testing for liquid propulsion |
| CTM |
Control, Test, and Monitor |
| CTM |
Center Technology Manager |
| CTM |
Command & Telemetry Machine |
| CTM |
crew transportation module |
| CTN |
Commercial Technology Network |
| CTN |
Communications and Tracking Network |
| CTOCC |
Consolidated TDRSS Operations Control Center |
| CTOD |
crack tip opening displacement |
| CTP |
Core Technology Programme |
| CTQ |
Critical to Quality |
| CTR |
current transfer ratio |
| CTS |
Crew Transportation System |
| CTS |
Compatibility Test Set |
| CTS |
Center Telecommunications System |
| CTS |
Communication Technology Satellite |
| CTT |
crew transfer tunnel |
| CTT |
Compatibility Test Trailer |
| CTT |
consent to transport |
| CTV |
Crew Transfer Vehicle |
| CTV |
Compatibility Test Van |
| CTV |
Crew Transport Vehicle |
| CU |
control unit |
| CU |
Configuration Unit |
| CU-E3 |
Colorado University Earth Escape Explorer |
| CUC |
CCSDS unsegmented code |
| CUC |
CCSDS unsegmented time code |
| CUCD |
Contingency urine containment device |
| CUI |
Controlled Unclassified Information |
| CUNYSAT |
City University of New York Satellite |
| CUP |
cupola,Cupola |
| CUP |
Composite Utilization Plan |
| CUP |
Cupola |
| CUSat |
Cornell University Satellite |
| CUTE |
Cubical TITech Engineering Satellite |
| CV |
Cost Variance |
| CV |
Cataclysmic Variable |
| CVCM |
collected volatile condensable material |
| CVD |
chemical vapour deposition |
| CVG |
coverglass |
| CVIU |
common video interface unit |
| CVT |
Current Value Table |
| CVU |
Control & Video Unit (part of PK-4) |
| CW |
clockwise |
| CW |
command word |
| CW |
continuous wave |
| CW |
Carrier Wave |
| CWAS |
Cryogenic Whole Air Sampler |
| CWBS |
Contract Work Breakdown Structure |
| CWC |
collapsible waste container |
| CWI |
Common Work Instruction |
| CWP |
control work package |
| CWRS |
Condensate Water Recovery System |
| CX |
Citizen Explorer |
| CX |
Chuang Xin |
| CXBR |
Cosmic X-ray Background Radiation |
| CXO |
Chandra X-ray Observatory (formerly: AXAF,Advanced X-ray Astrophysics Facility) |
| CXO |
Chandra X-Ray Observatory |
| CY |
Calendar Year |
| CZT |
cadmium zinc telluride (semiconductor material) |
| CaLV |
Cargo Launch Vehicle |
| CaLeMPSat |
Cathode-Less Micro Propulsion Satellite |
| CaNOP |
Canopy Near-IR Observing Project |
| Cab |
cabin |
| Cal |
calibration |
| Calc |
calculate |
| Calsphere |
Calibration Sphere |
| Camr; Cam |
camera |
| CanX |
Canadian Advanced Nanospace Experiments |
| CapSat |
Capacitor Satellite |
| CatSat |
Cooperative Astrophysics & Technology Satellite |
| CeREs |
Compact Radiation Belt Explorer |
| Cerise |
Caractérisation de l'Environement Radioélectrique par un Instrument Spatial Embarque |
| Ch |
channel |
| ChemCam |
Chemistry Camera |
| Chg |
change |
| Chit |
Change Item |
| Chrg |
charge |
| Ci |
curie |
| Cksum |
checksum |
| Clim |
minimum volumetric concentration of oxygen contained in an oxygen-nitrogen mixture, in the presence of which a material can still combust after ignition from the bottom. |
| CoC |
certificate of conformance |
| CoC |
certificate of confirmity |
| CoF |
Construction of Facilities |
| CoFR |
Certification of Flight Readiness |
| CoFR |
Certificate of Flight Readiness |
| CoM |
centre of mass |
| CoMAC |
coordinate modal assurance criterion |
| CoNNeCT |
Communications, Navigation, and Networking re-Configurable Testbed (now the SCaN Testbed) |
| CoNNeCT |
Communications, Navigation, & Networking reConfigurable Test Bed |
| CoSI |
Commercial Satellite Communications Innovation |
| CoSTEM |
OSTP interagency Committee on STEM Education |
| Code M |
Office of Space Flight |
| Code R |
Office of Aerospace Technology |
| Code S |
Office of Space Science |
| Code U |
Office of Biological and Physical Research |
| Code Y |
Office of Earth Science |
| Col COMMS |
Columbus Communications |
| Col DMS |
Columbus Data Management System |
| Col FCT |
Columbus Flight Control Team |
| Col FLIGHT |
Columbus Flight Director |
| Col OC |
Columbus Operations Coordinator |
| Col SYS |
Columbus Systems |
| Col-SVF |
Columbus Software Verification Facility |
| Col-TRU |
Columbus Trainer USA |
| ColCC |
Columbus Control Centre |
| ColEDS |
Columbus Electronic Document System |
| Comm |
Communication |
| Compass |
Complex Orbital Magneto-Plasma Autonomous Small Satellite |
| ConOps |
Concept of Operations |
| Conv |
converter |
| Coronas |
Comprehensive Orbital Near-Earth Observations of the Active Sun |
| Corsa |
Cosmic Radiation Satellite |
| Cpath |
Circle Path |
| Cplt |
complete |
| CrIS |
Cross-track Infrared Sounder (NPOESS Preparatory Project instrument) |
| CuPID |
Cusp Plasma Imaging Detector |
| CuSP |
CubeSat mission to study Solar Particles |
| CuSPP |
CubeSat mission to study Solar Particles over the Earth’s Poles |
| CubeRRT |
CubeSat Radiometer Radio Frequency Interface Technology |
| Cx |
Constellation |
| CySat |
Cyclone Satellite |
| D&C |
display & control |
| D&C |
Displays and Controls |
| D&C PNL |
display & control panel |
| D/A |
Digital-to-Analog |
| D/A |
digital to analogue |
| D/HRE |
The Director of Human Spaceflight & Robotic Exploration Programmes |
| D/K |
data/control |
| D/L |
Downlink |
| D3 |
Drag De-Orbit Device CubeSat |
| D; Deck |
deck |
| DA |
Decision Authority |
| DA |
Deutsche Aerospace |
| DAA |
Deputy Associate Administrator |
| DAAC |
Distributed Active Archive Center |
| DAAC |
Distributed Active Archive Centers |
| DAC |
design analysis cycle |
| DACT |
Disposable Absorption & Containment Trunk |
| DAD |
Double Air Density |
| DADS |
Data Archive and Distribution System |
| DAEP |
DSN Aperture Enhancement Project |
| DAF |
Data Analysis Facility |
| DAG |
DaSS Access Gateway |
| DAILI |
Daily Atmospheric Ionospheric Limb Imager |
| DAIU |
docked audio interface unit |
| DAM |
maneuver,Debris Avoidance Maneuver (ISS) |
| DAM |
Debris Avoidance Maneuver |
| DAM |
Directory Access Management |
| DAM |
Debris Avoidance Maneuver (ISS) |
| DAMEC |
Denmark (Odense) USOC |
| DAN |
Dynamic Albedo of Neutrons |
| DANDE |
Drag & Atmospheric Neutral Density Explorer |
| DAP |
Double Adapter Plate |
| DAP |
digital autopilot |
| DARN |
Dual Auroral Radar Network |
| DARPA |
Defense Advanced Research Projects Agency |
| DARPASAT |
Defense Advanced Research Projects Agency Satellite |
| DART |
Demonstration of Autonomous Rendezvous Technologies |
| DART |
Double Asteroid Redirection Test |
| DARTfire |
Diffusive & Radiative Transport controlled fire |
| DAS |
Demand Access Service |
| DAS |
data acquisition system |
| DASD |
Direct Access Storage Device |
| DASH |
Demonstrator of Atmospheric reentry System with Hyperbolic velocity |
| DASH |
Density & Scale Height |
| DASS |
Data Acquisition Sub-System |
| DASS |
Distress Alerting Satellite System |
| DAT |
Digital Audio Tape |
| DATS |
Despun Antenna Test Satellite |
| DB |
design baseline |
| DBB |
Data Base Browser |
| DBC |
direct bonded copper |
| DBMS |
Data Base Management System |
| DBP |
Diastolic blood pressure |
| DBS |
Database Server |
| DBS |
Data Base Services |
| DBS |
Direct Broadcasting Satellite |
| DC |
Docking Compartment |
| DC |
Delta Clipper |
| DC |
Differential Corrections |
| DC |
Design Condition |
| DCAA |
Defense Contract Audit Agency |
| DCAA |
Defense Contract Auditing Agency |
| DCB |
development configuration baseline |
| DCC |
dry cargo carrier |
| DCC |
Document Control Custodian |
| DCCS |
Document Change Control System |
| DCD |
DSCC Command |
| DCE |
Distributed Computing Environment |
| DCF |
Data Capture Facility |
| DCI |
decompression illness |
| DCL |
declared component list |
| DCL |
declared components list |
| DCL |
declared part list |
| DCLA |
Design Coupled Load Analysis DCN Document Change Notice |
| DCMA |
Defense Contract Management Agency |
| DCN |
Document Change Notice |
| DCN (NDC) |
Document Change Notification; Notification Of Document Change |
| DCNSS |
Data Center Network and Security Service |
| DCP |
development cost plan |
| DCP |
Display and Control Panel |
| DCPCG |
dynamically controlled protein crystal growth |
| DCR |
Design Certification Review |
| DCR |
Document Change Request |
| DCS |
decompression sickness (bends) |
| DCS |
Decompression Sickness |
| DCS |
Digital Cross-connect system |
| DCS |
Deputy Crew Surgeon |
| DCSU |
dc switching unit |
| DCSU |
direct-current switching unit |
| DCX |
Delta Clipper eXperimental |
| DD |
displacement damage |
| DD |
design documentation |
| DDC |
Direct Digital Control |
| DDC |
distribution data counter |
| DDCT |
Display Data Control Table |
| DDCU |
DC-to-DC Converter Unit |
| DDCU |
direct-current-to-direct-current converter unit |
| DDCU-E |
DC-to-DC/Converter Unit-External |
| DDE |
FOD’s Distributed Development Environment |
| DDED |
Detailed Data Editor |
| DDEF |
displacement damage equivalent fluence |
| DDF |
Data Distribution Facility |
| DDF |
design definition file |
| DDF |
design & definition file |
| DDMS |
DOD Manned Space Flight Support Office |
| DDOR |
Delta Differential One Way Ranging tones |
| DDP |
Design & Development Plan |
| DDR |
detailed design review |
| DDREF |
dose & dose rate effectiveness factor |
| DDS |
Data Distribution Services |
| DDS |
Data Distribution Service |
| DDS |
Data & Documentation Service |
| DDT&E |
Design, Development, Test, and Evaluation |
| DDT&E |
Design, Development, Test, & Evaluation |
| DDTE |
Design, Development, Test, & Evaluation |
| DDVP |
Design, Development and Verification Plan |
| DE |
Dynamics Explorer |
| DEBUT |
Deployable Boom & Umbrella Test |
| DEC |
declination |
| DEC |
dynamic evaluation circuit |
| DEC |
stage,Dual Engine Centaur (stage) (CST-100 LV) |
| DECAT |
Dynamic Engineering Communications Analysis Testbed |
| DECnet |
Digital Equipment Corporation Network |
| DEMETER |
Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions |
| DEMOS |
Distributed Earth Model Orbiter System |
| DEN |
DTN Experimental Network |
| DEOS |
Deutsche Orbitale Servicing Mission |
| DES |
data encryption standard |
| DESCANO |
Deep Space Communications and Navigation Systems |
| DESDynI |
Deformation, Ecosystem Structure, & Dynamics of Ice |
| DESDynl |
Deformation, Ecosystem Structure, and Dynamics of Ice |
| DESPATCH |
Deep Space Amateur Troubadour’s Challenge |
| DEV; Dev |
deviation |
| DEXA (DXA) |
Dual energy X-ray absorptiometry |
| DEXA,DXA |
Dual Energy X-ray Absorptiometry |
| DF |
definition file |
| DFAT |
Direct Field Acoustics Test |
| DFCB |
Data Format Control Book |
| DFCD |
Data Format Control Document |
| DFE |
Direct from Earth |
| DFH |
Dong Fang Hung |
| DFI |
Developmental Flight Information |
| DFL |
Decom Format Load |
| DFMR |
design for minimum risk |
| DFP |
Data Flow Plan |
| DFRC |
Dryden Flight Research Center |
| DFRF |
Dryden Flight Research Facility (was ADFRF, now DFRC) |
| DFS |
Deutscher Fernmelde Satellit |
| DFS |
Development Flight Satellite |
| DFS |
Distributed File System |
| DFT |
design for test |
| DFT |
data flow test |
| DG |
Data Group |
| DG-C |
Director General Cabinet |
| DG-Z |
DDS Delayed Ground Zone |
| DGD |
direct gradient discharge |
| DGPS |
Differential-Global-Positioning-System |
| DGT |
DSCC Galileo Telemetry Subsystem |
| DHM |
digital human model |
| DHMR |
dry heat microbial reduction |
| DHS |
Department of Homeland Security |
| DHS |
data handling system |
| DI |
burn,Departure Initiation burn (CST) |
| DI |
Departure Initiation burn (CST) |
| DI |
Data Item |
| DIA |
Details Impact Assessment |
| DICE |
Dynamic Ionosphere Cubesat Experiment |
| DID |
Data Item Description |
| DIDB |
Disposable In-suit Drink Bag |
| DIF |
Data Interface Facility |
| DIFA |
Data Interface Assembly DIL Deliverable Items List |
| DIL |
deliverable items list |
| DIL |
dual-in-line |
| DIMA |
Distributed IMA |
| DIMS |
Digital Imagery Management System |
| DIRO |
Directorate Information & Record Officer |
| DIS |
Distributed Interactive Simulation (IEEE 1278.1-2012 v7) |
| DIS |
Data Interface System |
| DISCNCT,DSC; Discnct |
disconnect |
| DISCOS |
ESA’s database & information system characterizing objects in space |
| DISCOS |
ESA's database & information system characterizing objects in space |
| DISCOSAT |
Discovery Museum Satellite |
| DISCOVER |
Deriving Information on Surface Conditions from Column & Vertically |
| DIT |
Development Integration Testing |
| DIU |
Data Interface Unit (JEMRMS) |
| DIVA |
Double Interferometer for Visual Astrometry |
| DIW |
deionised water |
| DIXI |
Deep Impact Extended Investigation |
| DJ |
justification file |
| DJF |
design & justification file |
| DJF |
design justification file |
| DKth |
threshold stress-intensity range |
| DL |
design load |
| DL |
Download |
| DLAT |
destructive lot acceptance test |
| DLISA |
Double Lid Interlock Switch Assembly |
| DLL |
design limit load |
| DLL |
data link layer |
| DLL |
design limits loads |
| DLR |
Deutschen Zentrum fur Luft- und Raumfahrt (German Aerospace Center) |
| DLR |
Deutsches Zentrum für Luft- und Raumfahrt e.V. |
| DLR-Tubsat |
Deutsche Forschungsanstalt für Luft- und Raumfahrt - Technische Universität Berlin Satellit |
| DLT |
Digital Tape |
| DM |
Document Management DMA Declared Material List |
| DM |
Data Management |
| DMA |
direct memory access |
| DMAIC |
Define Measure Analyze Improve Control |
| DMC |
DSCC Monitor and Control |
| DMC |
Data Management Coordinator |
| DMC |
Data Management Computer |
| DMD |
DSCC Media Data |
| DME |
Development, Modernization, & Enhancement |
| DME |
Distance Measuring Equipment |
| DME |
Direct Measurement Explorer |
| DML |
declared material list |
| DML |
declared materials list |
| DMM |
digital multimeter |
| DMO |
Data Management Office |
| DMP |
Declared Mechanical Parts List DMS Data Management System |
| DMPL |
declared mechanical part list |
| DMPL |
declared mechanical parts list |
| DMPL |
declared materials & processes list |
| DMPR |
Deployable Mechanical Pumped Radiator |
| DMR |
Daily Medical Report |
| DMR |
Detailed Mission Requirements |
| DMS |
Data Management Subsystem |
| DMS |
Document Management System |
| DMS |
Data Management System |
| DMS-R |
Data Management Subsystem for the Russian Service Module |
| DMSP |
Defense Meteorological Satellite Program |
| DMT |
Decreed Moscow Time D-OPS Directorate Operations DN Discrepancy Notice |
| DMZ |
Demilitarized Zone |
| DN |
Discrepancy Note |
| DNA |
deoxyribonucleic acid |
| DNA |
Desoxyribonucleic acid |
| DNS |
Domain Name Servers |
| DNS |
Director of Network Services |
| DNase |
Deoxyribonuclease |
| DO |
Delivery Order |
| DO |
DOVE Oscar |
| DO45 |
Flight Planning & Pointing Group |
| DOC |
Data Operations Center |
| DOC |
Department of Commerce |
| DOC |
Data Operations Control |
| DOCS |
Data Operations Control System |
| DOD |
depth of discharge |
| DOD |
Department of Defense |
| DOD |
Department Of Defense (sometimes DoD) |
| DODGE |
Department of Defense Gravity Gradient Experiment |
| DODISS |
Department of Defense Index of Specifications and Standards |
| DOE |
Department of Energy |
| DOI |
Department of Interior |
| DOL |
Day of Launch |
| DOLILU |
Day-of-Launch Initialization-Load Updates |
| DOME |
Device for Orientation & Motion Environment |
| DOME |
Device for Orientation and Motion Environment |
| DOMSAT |
Domestic Satellite |
| DOMSAT |
Domestic Communications Satellite |
| DOP |
dioctylphthalate |
| DOP |
dioctylphthalate, synonym bis (2ethylhexyl) phthalate |
| DOP |
dioctylphthalate, synonym bis (2-ethylhexyl) phthalate |
| DOR |
Daily Operations Report |
| DORIS |
Doppler Orbitography by Radiopositioning Integrated by Satellite (Ocean |
| DOS |
Disk Operating System |
| DOS |
Dolgovremennaya Orbitalnaya Stanziya |
| DOS |
Daily Operations Summary |
| DOSRAD |
software to predict space radiation dose at system & equipment level |
| DOSS |
Differential Optical Shadow Sensor |
| DOT |
Department of Transportation |
| DOT |
Deep Space Optical Communications Terminal |
| DOUG |
Dynamic Onboard Ubiquitous Graphics |
| DOVE |
Digital Orbiting Voice Encoder |
| DOY |
Day of Year |
| DP |
Destination Point |
| DP |
Differential Pressure |
| DP |
Digital Processing |
| DP |
Data Package |
| DPA |
Debris Pane Assembly |
| DPA |
destructive physical analysis |
| DPAF |
Dual Payload Attach Fitting |
| DPAK |
diode package |
| DPAS |
Defense Priorities and Allocation System |
| DPC |
Daily Planning Conference |
| DPL |
declared process list |
| DPL |
declared parts list |
| DPL |
declared processes list |
| DPM |
Deputy Program Manager |
| DPMC |
Directorate Program Management Council |
| DPO |
attitude control thruster |
| DPO |
Deep Space Network Program Office |
| DPO |
Daily Payloads Operations |
| DPR |
Dual-frequency Precipitation Radar (Global Precipitation Measurement |
| DPS |
Deep-Space Positioning System |
| DPS |
Data Processing System |
| DPS |
Data Processing System engineer |
| DPU |
data processing unit |
| DQ |
Da Qi |
| DQI |
Data Quality Indicator |
| DQM |
Data Quality Monitoring |
| DR |
Discrepancy Report |
| DR |
Deputy of Resources |
| DR |
Decommissioning Review |
| DR |
Disposition Record |
| DRA |
Draft |
| DRAM |
dynamic random access memory |
| DRB |
delivery review board |
| DRC |
Data Reduction Center |
| DRC |
design rule check |
| DRC |
design rules check |
| DRD |
Data Requirements Document |
| DRD |
Document Requirements Definition |
| DRF |
Data Requirements Form |
| DRI |
Distant Retrograde Insertion |
| DRIFT |
diffuse reflection infrared Fourier transform |
| DRIMS |
Delta Redundant Inertial Measurement System |
| DRL |
Data Requirements List |
| DRL |
document requirements list |
| DRL |
document requirement list |
| DRM |
design reference mission |
| DROPPS |
Distributions & Role Particle in the Polar Summer Mesosphere using Co-ordinated Rocket, Radar & Lidar techniques |
| DRS |
Disturbance Reduction System |
| DRS |
Docking & Refueling System |
| DRS |
Data Relay Satellite |
| DRS |
Direct Receiving Station |
| DRS |
Discrepancy Reporting System |
| DRTS |
Data Relay and Tracking Satellite (JAXA) |
| DRTS |
Data Relay & Tracking Satellite |
| DRVID |
differenced range versus integrated Doppler |
| DS |
Deep Space |
| DS |
Dneprovskiy Sputnik |
| DS-DE |
data-strobe, differentially ended |
| DS-T |
Deep Space Terminal |
| DSA |
Demodulator Synchronizer Assembly |
| DSAC |
Deep Space Atomic Clock |
| DSC |
differential scanning calorimeter |
| DSC |
differential scanning calorimetry |
| DSCC |
Deep Space Communications Complex |
| DSCOVR |
Deep Space Climate Observatory |
| DSCS |
Defense Satellite Communications System |
| DSCS |
Defense Space Communication System |
| DSE |
Deep Space Element |
| DSE |
Distributed Sensing Experiment |
| DSG |
Deep Space Gateway |
| DSH |
Deep Space Habitat |
| DSI |
Deutsches SOFIA Institut |
| DSLWP |
Discovering the Sky at Longest Wavelengths Pathfinder |
| DSM |
Docking & Stowage Module |
| DSM |
Data Select Mode (GPS) |
| DSMC |
Data Services Management Center |
| DSMS |
Deep Space Mission Systems |
| DSN |
Deep Space Network |
| DSN-GCS |
Deep Space Network – Ground Communications System |
| DSNU |
dark signal non-uniformity |
| DSO |
Deep Sky (or Space) Object |
| DSOC |
Deep Space Optical Communications |
| DSOT |
Deep Space Operations Team |
| DSP |
Defense Support Program (USAF/NRO) |
| DSP |
DSS Spectral Processor |
| DSP |
Digital Signal Processor (Processing) |
| DSPK |
Dual Speaker Unit |
| DSPSE |
Deep Space Program Science Experiment |
| DSPSE-ISA |
Deep Space Program Science Experiment - Interstage Adaptor |
| DSR |
Design Status Review |
| DSRI |
Danish National Space Center |
| DSS |
Destination Surface System |
| DSS |
Data Storage System |
| DSS |
Deep Space Station |
| DST |
Daily Science Tag |
| DSTD |
Data Systems Technology Division |
| DSTL |
Data Systems Technology Laboratory |
| DSU |
Digital Service Unit |
| DSWG |
Data Standards Working Group |
| DSXR |
Deep Space eXploration Robotics |
| DTA |
differential thermal analysis |
| DTD |
distribution transfer descriptor |
| DTD |
Data Transfer Device |
| DTE |
Direct-to-Earth |
| DTE |
Data Transmission Equipment |
| DTF |
Development and Test Facility |
| DTGS |
deuterated triglycine sulphate IR detector |
| DTM |
density & temperature model |
| DTMF |
Dual Tone Multi-frequency |
| DTN |
Disruption Tolerant Networking |
| DTN |
Delay/Disruption Tolerant Network |
| DTR |
Data Transfer Review |
| DTS |
Distributed Teleconferencing System |
| DTS |
Digital Test Set |
| DTUSat |
Danmarks Tekniske Universitet Satellite |
| DU |
Display Unit |
| DU |
Dobson Unit |
| DUA |
Docking Unit,Active |
| DUL |
design ultimate load |
| DUNDEE |
Down Under Early Warning Experiment |
| DUNS |
data universal numbering system |
| DUP |
Docking Unit,Passive |
| DUSTIE |
Dust Sounder & Temperature Imager Experiment |
| DUT |
device under test |
| DUTHSat |
Democritus University of Thrace Satellite |
| DUVE |
Diffuse Ultra Violett Experiment |
| DV |
Dissimilar Voice |
| DVC |
Digital Video Controller |
| DVD |
Digital Versatile Disc |
| DVE |
engine,Delta-Velocity Engine (Cygnus) |
| DVG |
direct voltage gradient |
| DVICE |
Digital Voice Intercommuncations Equipment |
| DVIS |
Digital Voice Intercommunications System |
| DVP |
design validation plan |
| DVP |
DSCC VLBI Processor |
| DVT |
design verification test |
| DW |
data word |
| DWG |
Disciplines Working Group |
| DWV |
dielectric withstanding voltage |
| DXF |
drawing exchange format |
| DXI |
Data Exchange Interface |
| DYF |
Display Frame |
| DYL |
design yield load |
| D\A |
Digital to Analog |
| DaRT |
Data Request Tool |
| DaSS |
Data Servicing System |
| DaSS |
Data Services System |
| DaSS |
Data Services Subsystem |
| Dawn |
NASA Science Mission Directorate Discovery Program Mission |
| Dbase |
database |
| Decr |
decrease |
| Decreed Moscow Time |
nan |
| Def |
definition |
| Deg |
degree |
| Delta-DOR |
Delta-Differential One-way Range |
| Delta_V |
delta velocity |
| Depress |
depressurize |
| Detailed |
Design Phase |
| Dial-MIKA |
Diamant Allemagne - Mini Kapsel |
| Dial-WIKA |
Diamant Allemagne - Wissenschafts Kapsel |
| Dif |
difference |
| Dir |
direct |
| Disch |
discharge |
| Disp |
display |
| Dist |
distribution |
| Dn |
down |
| DoF |
degree of freedom |
| Dply |
deploy |
| DumSat |
Dummy Satellite |
| Dur |
duration |
| Dwg |
drawing |
| E |
Execution |
| E |
eccentricity |
| E-2-E |
End-to-End |
| E-CHIT |
European Mission Request (MCC-H) |
| E-DCP |
Extended Design Consolidation Phase |
| E-M L2 |
Earth–Moon LaGrange Orbit 2 |
| E-S |
Earth-to-Space |
| E-S L1 |
Earth – Sun LaGrange 1 |
| E-S L2 |
Earth – Sun LaGrange 2 |
| E-TBEx |
Enhanced Tandem Beacon Experiment |
| E-USOC |
Spain (Madrid) USOC |
| E-t-E |
End-to-End |
| E/PO |
Education & Public Outreach |
| E/S |
Earth station |
| E3 |
Electromagnetic Environmental Effects |
| E3P |
European Exploration Envelope Programme |
| E3P2 |
European Space Exploration Envelope Programme |
| EA |
electronic assembly |
| EAB |
Equipped Avionics Bay |
| EAC |
Estimate at Completion |
| EAC |
European Astronaut Centre |
| EACP |
EVA audio control panel |
| EACP |
EMU audio control panel |
| EADS |
European Aeronautic Defense & Space |
| EAFB |
Edwards Air Force Base |
| EAGLE |
ESPA Augmented Geostationary Laboratory Experiment |
| EAI |
Excalibur Almaz, Inc. |
| EAP |
Educator Astronaut Program |
| EAR |
Export Administration Act |
| EAR |
Export Administration Regulation |
| EARD |
Exploration Architecture Requirements Document |
| EARM |
ECSS applicable requirements matrix |
| EAS |
early ammonia servicer |
| EAST |
East African Satellite Telecomunication |
| EATCS |
external active thermal control system |
| EAW |
Engineering Analysis Workstation |
| EB |
Bureau of Economic and Business Affairs |
| EB |
electron beam |
| EBB |
elegant breadboard |
| EBF |
end broadcast frame |
| EBGS |
Earth Based Ground Systems |
| EBM |
Emergency Breathing Mask |
| EBNF |
extended Backus‐Naur form |
| EBNF |
extended Backus-Naur form |
| EBRE |
Earth-Based Relay Element |
| EBW |
electron beam welding |
| EBnet |
EOS Backbone Network |
| EC |
Emergency Communications |
| EC |
economic conditions |
| EC |
European Commission |
| EC |
Equipment Cost |
| ECANS |
Exploration Communications and Navigation Systems |
| ECB |
Engineering Change Board |
| ECB |
Engineering Change (or Control) Board |
| ECC |
Emergency Control Center |
| ECCS |
expendable charcoal catalyst system |
| ECD |
Estimated Completion Date |
| ECDH |
Early Command and Data Handling |
| ECDL |
Engineering Change Data List |
| ECEF |
Earth centred Earth frame |
| ECF |
Engineering Computer Facility |
| ECG |
Environmental Control Group |
| ECG-DS |
ECG in DS lead |
| ECHA |
European Chemicals Agency |
| ECHHP |
Environmental Crew Health Hazards Protection |
| ECL |
emitter-coupled logic |
| ECLS |
environmental control & life support |
| ECLSS |
Environmental Control & Life Support System |
| ECM |
electrochemical migration |
| ECM |
in-flight experiment for contamination monitoring |
| ECM |
Engineering Change Management |
| ECM |
ECSS compliance matrix |
| ECN |
Engineering Change Notice |
| ECN No. |
Equipment Control Number |
| ECO |
Engineering Change Order |
| ECOH |
EPT Console Operations Handbook |
| ECOM |
mechanism,EVA change-out m. |
| ECOMM |
early communication |
| ECOMM |
Early Communications |
| ECOS |
ESA Costing Software |
| ECOSTRESS |
Ecosystem Spaceborne Thermal Radiometer Experiment on Space Station |
| ECP |
Engineering Change Proposal |
| ECR |
Engineering Change Request |
| ECR |
Environmental Compliance & Restoration |
| ECS |
early communication subsystem |
| ECS |
Environmental Control System |
| ECS |
European Communication Satellite |
| ECS |
Experimental Communication Satellite |
| ECS |
EOSDIS Core System |
| ECSL |
environmental control & life support |
| ECSS |
European Cooperation for Space Standardisation |
| ECT |
Energetic Particle, Composition & Thermal Plasma |
| ECU |
electronics control unit |
| ECW |
Emergency Caution & Warning |
| ED |
NASA Education |
| ED |
Engineering Directorate (JSC) |
| ED |
Department of Education |
| EDA |
En Route Descent Advisor |
| EDAC |
Error Detection and Correction |
| EDC |
Engineering Design Change |
| EDC |
EROS Data Center |
| EDD |
Event Driven Delivery |
| EDF |
end data frame |
| EDIF |
electronic design interchange format |
| EDL |
Entry Descent and Landing |
| EDL |
Entry, Descent, & Landing |
| EDLT |
Entry, Descent & Landing Technologies |
| EDM |
electro discharge machining |
| EDO |
Extended Duration Orbiter |
| EDOMP |
extended duration Orbiter medical project |
| EDOMP |
Extended Duration Orbiter Medical program |
| EDOS |
EOS Data and Operations System |
| EDP |
Electronic Data Processing |
| EDR |
European Drawer Rack |
| EDR |
Environmental Data Record |
| EDR2 |
European Drawer Rack Mark 2 |
| EDS |
system,Emergency Detection System (CST-100 LV) |
| EDS |
Emergency Detection System |
| EDS |
Earth Departure Stage |
| EDS |
electronic data sheet |
| EDT |
EVA Development Test |
| EDT |
Eastern Daylight Time |
| EDU |
Engineering Development Unit |
| EDU |
EFU Driver Unit (JEF) |
| EDU |
EEU Driver Unit |
| EDUSAT |
Education Satellite |
| EDV |
electronic depressurizing valve |
| EE |
electronics enclosure |
| EEA |
Earth exclusion angle |
| EEATCS |
early external active thermal control system |
| EED |
electro-explosive device |
| EEE |
Evolution of EOSDIS Elements |
| EEEU |
End Effector Electronics Unit |
| EEFOV |
Extended Elliptical Field of View |
| EEG |
Electroencephalography |
| EEGS |
Emergency Egress Guidance |
| EEL |
emergency egress light |
| EELV |
Evolved Expendable Launch Vehicle |
| EEO |
Equal Employment Opportunities |
| EEOM |
Early End of Mission |
| EEP |
error end of packet |
| EEPROM |
electrically erasable programmable read-only memory |
| EES |
European Emergency Simulation |
| EES |
Emergency Egress Slide |
| EESS |
Emergency Egress Slide System |
| EESS |
Earth Exploration Satellite Service |
| EET |
End-to-End Test |
| EETCS |
early external thermal control system |
| EEU |
equipment exchange unit |
| EF |
exposed facility |
| EF |
Extended Facility |
| EF |
Exposed Facility (see also JEF) |
| EF A |
Exposed Facility,Aft |
| EF F |
Exposed Facility,Forward |
| EFA |
engineering feasibility assessment |
| EFB |
Electronic Field Book |
| EFBM |
Exposed Facility Berthing Mechanism |
| EFGF |
electrical flight grapple fixture |
| EFIS |
ESA Financial & Invoicing System |
| EFM |
Electrical and Functional Model |
| EFM |
Engineering Functional Model |
| EFN |
Electrical Flight Note |
| EFOV |
Extended Field of View |
| EFPL |
exposed facility payload |
| EFR |
established failure rate |
| EFRCB |
European Flight Rule Control Board |
| EFT |
Exploration Flight Test |
| EFTCA |
External Flow & Temperature Control Assembly |
| EFU |
exposed facility unit |
| EFW |
Electric Field & Waves Instrument |
| EGDH |
Early Generalized Data Handling |
| EGG |
re-Entry satellite with Gossamer aeroshell & Gps/Iridium |
| EGRET |
Energetic Gamma Ray Experiment Telescope (on CGRO) |
| EGRS |
Electronic & Geodetic Ranging Satellite |
| EGS |
Experimental Geodetic Satellite |
| EGS |
Exploration Ground Systems |
| EGSE |
Electrical Ground Support Equipment |
| EGSE ZN |
Electrical Ground Support Equipment (ZwoNull means Second Generation) |
| EHD |
External Hard Drive |
| EHF |
extremely high frequency (30 GHz-300 GHz) |
| EHF |
extremely high frequency, frequency from 30 GHz to 300 GHz |
| EHIP |
EVA Helmet Interchangeable Portable light |
| EHO |
ESA Houston Office |
| EHP |
EVA Human Surface Mobility Program |
| EHRS |
Electronic Health Records System |
| EHS |
environmental health system |
| EHS |
Enhanced HOSC System |
| EI |
effective independence |
| EI |
electron ionization |
| EIA |
experiment integration agreement |
| EICL |
European IP Communication Laptop |
| EIDP |
End Item Data Package (design & manufacturing dossier) |
| EIFI |
European Item for Investigation |
| EIM |
Element Integration Manager |
| EIRP |
equivalent isotropically radiated power |
| EIRP |
Effective Isotropic Radiated Power |
| EIS |
External Interface Server |
| EIS |
Enterprise Information System |
| EISA |
ESA ISS SCB Access |
| EISP |
External I/F Server Protocol |
| EIT-CalRoc |
Extreme UV Imaging Telescope Calibration Rocket |
| EJASA |
Electronic Journal of the Astronomical Society of the Atlantic |
| EJMA |
expansion joints manufacturer association |
| EJOP |
European Joint Operations Panel |
| EKA |
Eksperimentalniy Kosmichesky Apparat |
| EKS |
Edinaya Kosmicheskaya Sistema |
| EL |
elevation |
| EL3 |
European Large Logistics Lander |
| ELC |
ExPRESS Logistics Carrier |
| ELDRS |
enhanced low dose rate sensitivity |
| ELDRS |
enhanced low dose-rate sensitivity |
| ELEOsat |
Extreme Low Earth Orbit Satellite |
| ELF |
Extremely Low Frequency |
| ELFIN |
Electron Losses & Fields Investigation |
| ELFIN-STAR |
Electron Losses & Fields Investigation's Spatio-Temporal Ambiguity Resolver |
| ELM |
experiment logistics module |
| ELM–ES |
experiment logistics module–exposed section |
| ELM–PS |
experiment logistics module–pressurized section |
| ELO |
Emergency Landing Opportunity |
| ELO |
opportunity,Emergency Landing Opportunity |
| ELPO&TD |
Execute level Planning Operations & Tool Development |
| ELPS |
Emergency Light Power Supply |
| ELR |
end-of-life review |
| ELS |
enviornmental life support |
| ELT |
European Laser Timing (ACES) |
| ELT |
Emergency Locator Transmitter |
| ELV |
Expendable Launch Vehicle |
| ELVIS |
ELV Integrated Support |
| EM |
Engineering Model |
| EM |
Energy (or Power) Module |
| EM |
Electromagnetic |
| EM |
experiment module |
| EM2 |
Electronics Box Engineering Model 2 |
| EMA |
External Monitoring Aids |
| EMAC |
Exploration Mission Analysis Cycle |
| EMB |
(ESA ISS) Exploitation Management Board |
| EMC |
electromagnetic compatibility |
| EMC |
Element Multiplexer/Correlators |
| EMCAB |
electromagnetic compatibility advisory board |
| EMCAB |
EMC Advisory Board |
| EMCC |
Emergency Mission Control Center |
| EMCCP |
electromagnetic compatibility control plan |
| EMCS |
Enhanced Mission Communication System |
| EMCS |
Energy Management Control System |
| EMCS |
European Modular Cultivation System |
| EMCY |
Emergency Object |
| EMD |
Electromechanical Dissociation |
| EME |
Electromagnetic Environment |
| EMEVP |
electromagnetic effects verification plan |
| EMEVR |
electromagnetic effects verification report |
| EMF |
Electro-Magnetic Flux |
| EMFISIS |
Electric & Magnetic Field Instrument Suite & Integrated Science |
| EMI |
electromagnetic interference |
| EMI/EMC |
Electromagnetic Interference & Electromagnetic Compatibility |
| EMIS |
Exploitation Management Information System |
| EMISM |
electromagnetic interference safety margin |
| EMK |
Emergency Medical Kit |
| EML |
Electromagnetic Levitator |
| EMMI |
EVA man-machine interface |
| EMO |
Engineering Management Office |
| EMPEV |
Emergency Manual PEV |
| EMS |
Emergency Medical Service |
| EMS |
Element Management System |
| EMS |
Emergency Medical Services |
| EMS-R |
European Mission Support (room) Russia |
| EMSA |
European Moscow Support Room |
| EMSR |
ESA Mission Support Room in MCC-M |
| EMT |
Emergency Medical Technology |
| EMTGO |
ExoMars Trace Gas Orbiter |
| EMU |
Extravehicular Mobility Unit |
| EN |
Execution Note |
| ENA |
Enabled |
| ENBL |
Enable |
| ENCAP |
Encapsulation |
| ENCWG |
ESA-NASA GS Coordination Working Group (sub-panel of ISS GSCB) |
| ENG |
Electronic News Gathering Service |
| ENG |
Engineering |
| ENOC |
Emergency Network Operations Center |
| EO |
Earth Orbiter |
| EO |
Engineering Office |
| EO |
Equal Opportunity |
| EO-1 |
Earth Observing-One Mission |
| EO-1 |
Earth Orbiter – 1 |
| EOC |
Emergency Operations Center |
| EOCC |
Emergency Operations Control Center |
| EODF |
European Operations Data File |
| EOF |
Experiment Operations Facility |
| EOL |
end-of-life |
| EOL |
end of life |
| EOL |
end of lifetime |
| EOM |
End of Mission |
| EOMS |
Earth Orbiting Multi-mission Services |
| EONS |
Education Opportunities in NASA STEM |
| EOO |
Experiment Of Opportunity |
| EOP |
end of packet |
| EOP |
end of packet marker |
| EOPO |
Equal Opportunities Program Office |
| EOR |
Electric Orbit Raising |
| EOR |
Earth Orbit Rendezvous |
| EOS |
Earth Observing System |
| EOS |
Emergency Oxigen System |
| EOS |
emergency oxygen system |
| EOS-ALT |
Earth Observation System - Altimetry |
| EOS-AM |
Earth Observation System - At Morning |
| EOS-AM-1 |
Earth Observing System (Morning) |
| EOS-CHEM |
Earth Observing System (Chemistry) |
| EOS-CHEM |
Earth Observation System - Chemistry |
| EOS-LAM |
Earth Observation System - Laser Altimetry Mission |
| EOS-PM |
Earth Observation System - Past Morning |
| EOSDIS |
Earth Observing System Data & Information System |
| EOSDIS |
Earth Observing System Data Information System |
| EOSP |
Earth Observing Scanning Polarimeter |
| EOSP |
Electronic Only Support Plan |
| EOTP |
Enhanced ORU Temporary Platform (SPDM) |
| EOWG |
EOS Operations Working Group |
| EP |
Equivalent Person |
| EP |
Earth Probe |
| EP |
Electronics Platform |
| EP |
Education Programs |
| EPA |
Environmental Protection Agency |
| EPB |
Equipped Propulsive Bay |
| EPC |
Electronic Pump Controller |
| EPCB |
Execute Planning Control Board |
| EPCE |
electrical power-consuming equipment |
| EPCRA |
Emergency Planning and Community Right-to-know Act |
| EPDM |
ethylene propylene diene monomer |
| EPDS |
Electrical Power Distribution System |
| EPE |
Energetic Particles Explorer |
| EPF |
External Payload Facility |
| EPFM |
elastic-plastic fracture mechanics |
| EPG |
Electrical Power Group |
| EPGN |
EOS Polar Ground Network |
| EPIC |
European Photon Imaging Camera on the ESA X-ray Multi-Mirror (XMM) mission |
| EPIC Team |
European Planning & Increment Coordination Team |
| EPICS |
Electrolysis Performance Improvement Concept Study |
| EPIP |
Execute Planning Implementation Plan |
| EPIRB |
Emergency Position-Indicating Radio Beacon |
| EPM |
Equipped Pressurized Module |
| EPM |
European Physiology Module |
| EPMA |
Evaluation, Performance Monitoring, & Accountability (NASA, Education) |
| EPMT |
Exploitation Project Management Team |
| EPO |
Education Payload Operations |
| EPO |
Education Payload Operation Greenhouse |
| EPOCh |
Extrasolar Planet Observations & Characterization |
| EPOCh |
Extrasolar Planet Observations and Characterization |
| EPOXI |
Extrasolar Planet Observation & Deep Impact Extended Investigation |
| EPPL |
European preferred parts list |
| EPR |
ethylene propylene rubber |
| EPR |
Engineering Peer Review |
| EPROM |
erasable programmable read only memory |
| EPS |
Electrical Power System |
| EPS |
Emergency Planning Subcommittee (under the IRAC) |
| EPSCoR |
Experimental Program to Stimulate Competitive Research |
| EPT |
European Planning Team |
| EQM |
engineering qualification model |
| EQSR |
equipment qualification status review |
| EQUARS |
Equatorial Atmosphere Research Satellite |
| EQUULEUS |
Equilibrium Lunar-Earth point 6U Spacecraft |
| ER |
Eastern Range (was ETR) |
| ER |
Eastern Range |
| ER&T |
engineering research & technology |
| ERA |
European Robotic Arm |
| ERA |
Environmentally Responsible Aviation |
| ERASMUS |
USOC at ESTEC |
| ERAST |
Environmental Research Aircraft & Sensor Technology |
| ERB |
Engineering Review Board |
| ERBE |
Earth Radiation Budget Experiment |
| ERBS |
Earth Radiation Budget Satellite |
| ERC |
electrical rule check |
| ERCP |
External Robotics Control Processor |
| ERCS |
Emergency Rocket Communication System |
| ERD |
Experiment Requirements Document |
| ERD |
Exploration Research & Development |
| ERE |
Exospheric Radiation Experiment |
| ERFNET |
European Radiation Facilities Network |
| ERM |
Experiment Reference Model |
| EROS |
Earth Resources Observation Systems |
| EROS |
Earth Resources Observation System |
| ERP |
Engineering Review Panel |
| ERPS |
EOS Real-Time Processing System |
| ERR |
Engineering Review Report |
| ERRRIS |
E-Region Rocket radar Instability Study |
| ERS |
European Space Agency Remote Satellite |
| ERS |
Earth Resources Satellite (as in ERS-1) |
| ERS |
European Remote Sensing Satellite |
| ERS |
Environmental Research Satellite |
| ERSA |
ESA Radiation Sensors Array |
| ERT |
Emergency Response Team |
| ERTE |
Emergency Return to Earth |
| ERTS |
Earth Resources Technological Satellite |
| ERV |
Earth Return Vehicle |
| ES |
exposed section |
| ES |
European Simulation |
| ES&A |
Engineering Study and Analysis |
| ESA |
GS ESA Ground Segment |
| ESA |
European Space Agency |
| ESA |
Earth Science Application |
| ESA |
Earth Sensor Assembly (ICS-EF) |
| ESA BME |
ESA Biomedical Engineer |
| ESA MD |
ESA Mission Director |
| ESA MED OPS |
ESA Medical Operations |
| ESA-MD |
ESA Mission Director |
| ESA-OM |
ESA Operations Manager |
| ESA-OMT |
ESA Operations Management Team |
| ESABASE |
engineering tool to support spacecraft mission & spacecraft platform design |
| ESAS |
Exploration Systems Architecture Study |
| ESB |
Enterprise Service Bus |
| ESC |
Electronic Still Camera |
| ESC |
Electronic Systems Command |
| ESC |
Executive Safety Committee |
| ESC |
Engineering Support Centre (Airbus DS Bremen & Friedrichshafen, ALTEC) |
| ESC |
Engineering Support Center |
| ESC |
EFSystem Controller (JEF) |
| ESCAPE |
Earth Science CubeSat for Advanced Payload Experiments |
| ESCC |
European Space Component Coordination |
| ESCC |
European space components coordination |
| ESCG |
Engineering and Science Contract Group |
| ESD |
Earth Science Division |
| ESD |
Exploration Systems Development |
| ESDIS |
Earth Science Data Information System |
| ESDR |
Earth System Data Records |
| ESDU |
engineering sciences data unit |
| ESE |
Earth Science Enterprise |
| ESEL |
EVA Support Equipment List |
| ESEO |
European Student Earth Orbiter |
| ESF |
Erasmus Support Facility |
| ESG |
Executive Steering Group |
| ESH |
equivalent Sun hour |
| ESIS |
European Space Information System |
| ESM |
European Service Module for NASA’s Orion spacecraft |
| ESM |
Earth Systematic Mission |
| ESM |
Earth Systematic Missions |
| ESMC |
Eastern Space & Missile Center |
| ESMD |
Exploration Systems Mission Directorate |
| ESMDB |
European Space Materials Database |
| ESMP |
Earth Systematic Missions Program |
| ESMS |
Earth Science Multi-Mission Services |
| ESO |
European Southern Observatory |
| ESOC |
European Space Operations Centre |
| ESP |
external stowage platform |
| ESPAD |
ESP Attachment Device |
| ESPRIT |
European System Providing Refueling, Infrastructure, and Telecommunications |
| ESPRIT |
European System Providing Refueling, Infrastructure & telecommunication |
| ESR |
Experiment Scientific Requirements |
| ESR |
Engineering Support Room |
| ESRIN |
European Space Research Institute |
| ESRO |
European Space Research Organisation |
| ESRS |
Environmental Science Research Satellite |
| ESRT |
Exploration Systems Research and Technology |
| ESS |
Earth Science Subcommittee (of the NASA Advisory Committee) |
| ESS |
Engineering Support Systems |
| ESS |
Earth System Science |
| ESSA |
Environmental Science Services Administration |
| ESSC |
Early Station Support Computer |
| ESSMDM |
Enhanced Space Station MDM |
| ESSP |
Earth System Science Pathfinder |
| EST |
Eastern Standard Time |
| EST |
Experiment Sequence Test |
| EST |
Engineering Support Team |
| EST. NTE Value |
Estimated Not To Exceed Value |
| ESTEC |
European Space Research & Technology Center |
| ESTER |
Earth Science Toward Exploration Research |
| ESTL |
Electronic Systems Test Laboratory |
| ESTO |
Earth Science Technology Office |
| ESTP |
Earth Science Technology Program |
| ESTRACK |
ESA Tracking Network |
| ESnet |
Department of Energy Science Network |
| ET |
(Shuttle) External Tank |
| ETA |
Estimated Time of Arrival |
| ETC |
European Transport Carrier |
| ETC |
Estimate-to-Complete |
| ETCS |
external thermal control system |
| ETD |
Exploration Technology Development |
| ETDD |
Enabling Technology Development & Demonstration |
| ETDP |
Exploration Technology Development Program |
| ETE |
End to End |
| ETE |
End-to-End |
| ETF |
Electrical Translation Fixture |
| ETFE |
ethylene tetrafluoroethylene |
| ETFE |
ethylene-tetrafluoroethylene copolymer |
| ETFE |
ethylene-tetrafluorethylene (Tefzel) |
| ETGT |
Extended TDRS Ground Terminal |
| ETHOS |
Environmental & Thermal Operating Systems Officer |
| ETLA |
Extended Three Letter Acronym |
| ETM |
Electrical Test Model (Columbus) |
| ETM+ |
Enhanced Thematic Mapper Plus |
| ETO |
ethylene oxide |
| ETOV |
Earth-to-orbit vehicle |
| ETR |
Eastern Test Range |
| ETR |
EXPRESS Transportation Rack |
| ETRIP |
Expedition Training Requirements Integration Panel |
| ETS |
Engineering Test Satellite |
| ETS |
EOSDIS Test System |
| ETSD |
device,EVA tool stowage d. (tool box) |
| ETSD |
external tool stowage device |
| ETU |
Engineering Test Unit |
| ETVC |
Elbow TV Camera (JEMRMS) |
| ETVCG |
external television camera group |
| EU |
Expected Utility |
| EU |
Engineering Unit |
| EUE |
experiment unique equipment |
| EUL |
Enhanced Use Lease |
| EUMETSAT |
European Organization for the Exploitation of Meteorological Satellites |
| EUMETSAT |
European Meterological Satellite |
| EUROCOM |
European Communicator |
| EUS |
Exploration Upper Stage |
| EUT |
equipment under test |
| EUTAS |
Enhanced Universal Trunnion Attachment System (ESP attach point) |
| EUV |
Extreme Ultraviolet Variability |
| EUVE |
Extreme UltraViolet Explorer |
| EV |
Earned Value |
| EV |
extravehicular |
| EV |
Earth Venture |
| EV CM |
EVA crewmember |
| EV-CPDS |
extravehicular-charged particle directional spectrometer |
| EVA |
Extravehicular Activity |
| EVA |
Extra-Vehicular Activity |
| EVARM |
EVA Radiation Monitoring |
| EVAS |
extravehicular attachment structure |
| EVE |
EUV Variability Experiment |
| EVE |
Elbow Vision Equipment |
| EVE |
Elbow Vision Equipment (JEMRMS) |
| EVG |
EVA Group |
| EVM |
Earned Value Management |
| EVMS |
Earned Value Management System |
| EVR |
extravehicular robotics |
| EVS |
Earth (Science) Venture Class Sub-orbital projects |
| EVS |
Employee Viewpoint Survey |
| EVSU |
external video switch unit |
| EVTR |
Environmental Verification and Test Requirements |
| EVi |
Earth (Science) Venture Class Instruments for orbital missions of opportunity |
| EWACS |
Emergency, Warning, Advisories & Caution System |
| EWACS |
Emergency |
| EWBS |
Expanded Work Breakdown Structure |
| EWCA |
Emergency, Warning, Caution & Advisory |
| EWOC |
European Weekly Operations Conference |
| EX |
Explorer Missions |
| EXCAN |
External Columbus Antenna Assembly |
| EXCEDE |
Excitation by Electron Deposition |
| EXE |
Execution |
| EXES |
Echelon-Cross-Echelle Spectrograph |
| EXP |
Expedition |
| EXPL |
expression language |
| EXPR |
EXPRESS Rack |
| EXPRESS |
Experiment Re-entry Space System |
| EXPRESS |
expediting the processing of experiments to Space Station |
| EXPRESS |
EXpedite PRocessing of Experiments to the Space Station |
| EZ CR |
Easy Change Request |
| Ea |
activation energy |
| EarthCARE |
Earth Clouds, Aerosols & Radiation Explorer |
| Eb/No |
Energy per Bit-To-Noise Power Spectral Density Ratio |
| EcAMSat |
E. coli AntiMicrobial Satellite |
| Eff |
efficiency |
| Elect |
electronic |
| Emerg. |
emergency |
| Ena |
enable |
| Engineering |
UCC |
| Ent |
entry |
| Envir |
environment (living,habitation) |
| Envisat |
Environment Satellite |
| Envisat |
(European environmental satellite) |
| EoC |
End of Contract |
| EoD |
Exceed on Demand |
| Equip |
equipment |
| Equiv |
equivalent |
| EscaPADE |
Escape & Plasma Acceleration & Dynamics Explorers |
| Est |
estimate |
| Estop |
Emergency Stop |
| EtEGS |
End-to-End Ground Segment |
| EuTEF |
European Technology Exposure Facility |
| Eureca |
European Retrievable Carrier |
| Euro |
European |
| Euro |
European Currency Unit |
| Eutelsat |
European Telecomunication Satellite |
| Evap |
evaporator |
| Ex-Alta |
Experimental Albertan |
| ExCB |
FOD Exploration Control Board |
| ExEP |
Exoplanet Exploration Program |
| ExMC |
Exploration Medical Capability |
| ExMU |
EXPRESS memory unit |
| ExP |
EXPRESS pallet |
| ExPA |
EXPRESS pallet adapter |
| ExPCA |
EXPRESS pallet control assembly |
| ExPCP |
Execute Level Planning Control Panel |
| ExPRESS |
EXpedite the PRocessing of Experiments to the Space Station |
| ExPS |
EXPRESS pallet system |
| ExPeRT |
Exploration Prepartion, Research & Technology |
| ExSD |
EXPRESS stowage drawer |
| Exec |
execute |
| Exos |
Exospheric Satellite |
| Exosat |
European X-Ray Observatory Satellite |
| Exp |
experiment |
| Ext |
extend |
| Ext |
extension |
| Ext |
external |
| F |
actuation force |
| F&PR |
Facilities and Planning Requirements |
| F&T |
Frequency & Timing |
| F-O |
fiber-optic |
| F/R |
Frequency-Off Carrier to Symbol Rate Ratio |
| F/S |
Flight Segment |
| F/W |
Firewall |
| F2 |
Functional Level 2 (System avionics drawing) |
| FA |
Facility |
| FA |
Fundamental Aeronautics |
| FAA |
Federal Aviation Administration |
| FAC |
Full Aperture Calibrator |
| FACA |
Federal Advisory Committee |
| FACS |
Front cone Attitude Control System |
| FAD |
Formulation Authorization Document |
| FAD |
failure assessment diagram |
| FADS |
Flight Assignment Data Sheet |
| FAI |
first article inspection |
| FAME |
Full-sky Astrometric Mapping Explorer |
| FAP |
Fundamental Aeronautics Program |
| FAQ |
Frequently Asked Questions |
| FAR |
Federal Acquisitions Requirements |
| FAR |
Final Acceptance Review |
| FAR |
Flight Acceptance Review |
| FAR |
Federal Acquisition Regulation |
| FARM |
frame acceptance & reporting mechanism |
| FARO |
Flare Activated Radio-biological Observatory |
| FAS |
Flight Application Software |
| FAS |
Frequency Assignment Subcommittee (under the IRAC) |
| FAST |
Fast Auroral SnapshoT explorer |
| FASTRAC |
Formation Autonomy Spacecraft with Thrust, Relnav, Attitude & Crosslink |
| FASTRAD |
sectoring analysis software for space radiation effects |
| FASat |
Fuerza Aéra de Chile Satellite |
| FAT |
File Allocation Table |
| FAT |
Factory Acceptance Test |
| FAT |
factory acceptance testing |
| FBE |
Fundamental Biology Experiment |
| FBM |
French Brazilian Microsatellite |
| FBS |
Functional Breakdown Structure |
| FC |
fuel cell |
| FCAS |
Flight Controller Application Software |
| FCB |
functional configuration baseline |
| FCC |
Federal Communications Commission |
| FCDAS |
Fairbanks Command and Data Acquisition Station |
| FCDP |
Frequency Comparison & Distribution Package (ACES) |
| FCF |
fluids & combustion facility |
| FCF |
Fluids & Combustion Facility (ISS) |
| FCI |
fracture critical item |
| FCI |
fracture-critical item |
| FCIL |
fracture-critical items list |
| FCL |
fold-back current limiter |
| FCL |
Flight Control Laboratory |
| FCM |
Flight Control Monitoring (Function) |
| FCM |
Flight Control & Monitoring |
| FCMS |
fluid crystal management system |
| FCO |
Flight Control Officer |
| FCOH |
Flight Control Operations Handbook |
| FCP |
flight control procedure |
| FCR |
Future Communications Requests |
| FCR |
Facility Change Request |
| FCR |
Flight Control Room |
| FCS |
flight crew system |
| FCSI |
final customer source inspection |
| FCT |
Flight Control Team |
| FCT web |
Flight Control Team web |
| FCV |
Flow Control Valve |
| FCV |
valve,Flow Control Valve |
| FCV |
functional configuration verification |
| FD |
flight day |
| FD |
Flight Director |
| FD |
Flight Dynamics |
| FDA |
Food & Drug Administration |
| FDA |
Food and drug Administration |
| FDCF |
Flight Design Computational Facility |
| FDD |
Flight Dynamics Division |
| FDDI |
Fiber Distributed Data Interface |
| FDF |
Flight Data File |
| FDF |
Flight Dynamics Facility |
| FDFMP |
Flight Data File Management Plan |
| FDIR |
fault detection, isolation, & recovery |
| FDIR |
Fault (Failure) Detection,Isolation,& Recovery |
| FDIR |
Fault/Failure Detection,Isolation,& Recovery |
| FDM |
Flight Design Manager |
| FDM |
Fault Detection & Management |
| FDMA |
Frequency Division Multiple Access |
| FDO |
Flight Directors Office |
| FDO |
Flight Director Office |
| FDO |
Fee Determination Official |
| FDOA |
Flight Dynamics Operations Area |
| FDP |
File Data Processing |
| FDPA |
flight dynamics planning & analysis |
| FDPC |
Flight Dynamics Product Center |
| FDS |
fire detection & suppression |
| FDSDIC |
Flight Dynamics Systems Development and Integration Center |
| FDU |
telecommand frame data unit |
| FE |
Flight Engineer |
| FE-1 |
Flight Engineer-1 |
| FEA |
finite element analysis |
| FEC |
Forward Error Correction |
| FECF |
Frame Error Control Field |
| FEE |
Front End Equipment |
| FEEP |
field emission electric propulsion |
| FEIT |
Flight Element Integrated Test |
| FEM |
finite element methods |
| FEM |
finite element model |
| FEMA |
Federal Emergency Management Agency |
| FEP |
Front-End Processor |
| FEP |
fluoroethylene-propylene |
| FEP |
fluorinated ethylene propylene |
| FEPC |
Front-End Processor Consolidation |
| FEPS |
Fiche d’étude de problème soulevé |
| FER |
frame error rate |
| FES |
Front End Software |
| FESL |
failure effect severity list |
| FESS |
flywheel energy storage system |
| FET |
field effect transistor |
| FEU |
Flight Electronic Unit |
| FF |
fresh food |
| FF |
free flyer |
| FFGF |
Free-Flyer Grapple Fixture |
| FFI |
Forsvarets ForskningsInstitutt (Norwegian Defense Research Establishment) |
| FFP |
Firm-Fixed-Price |
| FFQ |
food frequency questionnaire |
| FFRDC |
Federally Funded Research and Development Center |
| FFT |
Fast Fourier Transform |
| FGB |
Functional Cargo Block |
| FGB |
Functional Cargo Block (Russian), Zarya Control Module |
| FGM |
Fluxgate Magnetometer (Thermal Emission Imaging System instrument) |
| FGM |
Fleet and Ground Management |
| FGS |
Fine Guidance Sensors (on HST) |
| FGS-TF |
Fine Guidance Sensor - Tunable Filter |
| FGSE |
fluidic ground support equipment |
| FGST |
Fermi Gamma-ray Space Telescope |
| FGST |
Fermi Gamma-ray Space Telescope (formerly: GLAST,Gama Ray Large Area Space Telescope) |
| FHN |
Friedrichshafen |
| FHRC |
Flex Hose Rotary Coupler |
| FHST |
Fixed Head Star Trackers (on HST) |
| FID |
function identifier |
| FIE |
Formal & Informal Education (NASA, Education) |
| FIFI |
LS Field Imaging Far-Infrared Line Spectrometer |
| FIFO |
first in first out |
| FIFO |
first in first out memory |
| FINESSE |
First Infrared Exoplanet Spectroscopy Survey Explorer |
| FIP |
Federal Information Processing |
| FIPS |
Federal Information Processing Standard |
| FIR |
Far InfraRed |
| FIR |
fluids integrated rack |
| FIRE |
Flight Investigation of Re-Entry |
| FIRMR |
Federal Information Resources Management Regulations |
| FIRST |
Far Infra Red Space Telescope |
| FIST |
Final Integrated System Test |
| FIT |
Fault Isolation Test |
| FIT |
failure in time |
| FITS |
Flexible Image Transport System |
| FIW |
Failure/Impact/Workaround |
| FL |
deliverable output force |
| FLAP |
Flight AP (Automated Procedure) |
| FLAP |
Flight automated procedure |
| FLAP |
Fluid Line Anchor Patch |
| FLEX |
control of flexible construction systems |
| FLEX |
Fluorescence Explorer |
| FLEX-2 |
FLame Extinguishment EXperiment-2 |
| FLITECAM |
First Light Infrared Test Experiment Camera |
| FLL |
Flight Loads Laboratory |
| FLLI |
fracture-limited life item |
| FLLI |
fracture limited life item |
| FLLIL |
fracture-limited life items list |
| FLSA |
Fair Labor Standards Act |
| FLT |
Flight |
| FLTSATCOM |
Fleet Satellite Communication |
| FLUKA |
Fluktuierende Kaskade (Fluctuating Cascade) Monte Carlo radiation transport code |
| FM |
Facility Management |
| FM |
Frequency Modulation |
| FM |
Functional Managers |
| FMA |
Final Mission Analysis |
| FMC |
computer,Flight Management Computer (CST-100) |
| FMD |
Facilities Maintenance Division |
| FMEA |
failure modes effects analysis |
| FMECA |
failure modes effects & criticality analysis |
| FMECA |
Failure Mode Effects & Criticality Analysis |
| FMG |
Frequency Management Group |
| FMI |
Finnish Meteorological Institute |
| FMM |
functional mathematical model |
| FMM |
Financial Management Manual |
| FMON |
functional monitoring |
| FMP |
Future Mission Planning |
| FMR |
Financial Management Requirement |
| FMS |
Financial Management System |
| FMSA |
Fault Management & System Autonomy |
| FMT |
File/Memory Transfer (loop) |
| FO |
Follow On (to a mission) |
| FO |
Fuji Oscar |
| FOC |
Faint Object Camera (on HST) |
| FOCP |
Flight Operations Control Panel |
| FOD |
Flight Operations Directorate (formerly: MOD,Mission Operations Directorate) |
| FOD |
foreign object debris |
| FOIA |
Freedom of Information Act |
| FOM |
Figure of Merit |
| FOM |
flight operations manual |
| FOOM |
Flight Operations Organization Meeting |
| FOOT |
Foot/Ground Reaction Forces During Space Flight |
| FOP |
frame operation procedure |
| FOP |
flight operation plan |
| FOP |
flight operations plan |
| FOR |
Flight Operations Review |
| FORCAST |
Faint Object InfrRed CAmera for the SOFIA Telescope |
| FORP |
Fuel and Oxidizer Reaction Product |
| FORTE |
Fast On Orbit Recording of Transient Events |
| FORTRAN |
Formula Translation |
| FOS |
Flight Operations Segment/System |
| FOS |
Faint Object Spectrograph (on HST) |
| FOSU |
factor(s) of safety at ultimate |
| FOSU |
ultimate design factor of safety |
| FOSY |
factor(s) of safety at yield |
| FOSY |
yield design factor of safety |
| FOT |
Flight Operations Team |
| FOV |
Field Of View |
| FP |
flat pack |
| FP |
fixed price |
| FP |
flat pack package |
| FPA |
Focal Plane Array |
| FPD |
Flight Projects Directorate |
| FPGA |
field programmable gate arrays |
| FPGA |
field-programmable gate array |
| FPGA |
field programmable gate array |
| FPI |
Fast Plasma Investigation |
| FPLL |
Flight Planning Load Limit (for a PL robotic operation) |
| FPMR |
Federal Property Management Regulation |
| FPMU |
Floating Potential Measurement Unit |
| FPN |
fix pattern noise |
| FPO |
Fleet Post Office |
| FPO |
Flight Program Overview |
| FPP |
Floating Potential Probe |
| FPP |
Fluid Pump Package (JEF) |
| FPP |
Field Programmable Processor |
| FPQ |
Fixed Pedestal Q-Type Radar |
| FPR |
Federal Procurement Regulation |
| FPS |
Flight Planning System |
| FPWG |
Flight Program Working Group |
| FQR |
Formal Qualification Review |
| FQR |
flight qualification review |
| FQT |
Formal Qualification Test |
| FR |
France |
| FR |
Flash Report |
| FR |
Frame Relay |
| FR |
Flight Rule |
| FR4 |
type of epoxy resin for PCBs |
| FRA |
feasibility & risk analysis report |
| FRAC |
frequency response assurance criterion |
| FRC |
Facility Responsible Center |
| FRC |
Flight Research Center (old name for DFRC) |
| FRCB |
Flight Rule Control Board |
| FRCR |
Flight Rule Change Request |
| FRCS |
forward reaction control system |
| FRD |
Face Requirement Document |
| FRED |
Functional Readaptive Exercise Device |
| FRF |
frequency response function |
| FRGF |
Flight Releasable Grapple Fixture |
| FRITCS |
Failure Recovery for ITCS |
| FRP |
fibre reinforced plastics |
| FRR |
Flight Readiness review |
| FRR |
Flight-Readiness Review |
| FRS |
Failure Reporting System |
| FS |
First Stage |
| FS |
Flight Surgeon |
| FS |
flight spare |
| FS |
functional specification |
| FSA |
Factory Service Agreement |
| FSA/SOW |
Flight Project Support Office Support Agreement/Statement of Work |
| FSB |
Fundamental Space Biology |
| FSC |
Facility Support Center |
| FSD |
Full-Scale Development |
| FSDP |
flight safety data package |
| FSE |
Flight Support Equipment |
| FSF |
Factory Support Facilities |
| FSF |
ATV Flight Software Facility (in Les Mureaux) |
| FSI |
fluid structure interaction |
| FSL |
Fluid Science Laboratory |
| FSM |
Flight Segment Manager |
| FSO |
Facility Security Officer |
| FSP |
Flight Project Support Office Support Program |
| FSR |
Flight Safety Review |
| FSR |
Financial Status Review |
| FSS |
Fine Solar Sensor (ICS-EF) |
| FSS |
Fixed Service Structure |
| FSW |
Fanhui Shi Weixing |
| FSW-EP |
Flight Software Execution Platform |
| FT |
Functional Test |
| FT |
fault tree |
| FTA |
fault tree analysis |
| FTC |
Fault Tolerant Computer |
| FTC |
Fluid Transfer Coupling or Connector |
| FTE |
Full Time Equivalent |
| FTE |
Full Time Equivalency |
| FTETTM |
From The Earth To The Moon |
| FTF |
Forward Transfer Frame |
| FTIR |
Fourier transform infrared |
| FTIR |
Fourier transform infrared (spectrometry) |
| FTL |
Faster Than Light |
| FTP |
File Transfer Protocol |
| FTR |
Fault Tolerant Region |
| FTRR |
Flight Test Readiness Review |
| FTS |
Frequency and Timing Subsystem |
| FTS |
Flight Telerobotic Servicer |
| FTS |
Federal Telecommunications System |
| FTS 2000 |
Federal Telecommunications System 2000 |
| FTS* |
Flight Termination System |
| FTTA |
Federal Technology Transfer Act |
| FTV |
Flight Test Vehicle |
| FTXS |
FDDI Transmission System |
| FU |
Flight Unit |
| FU/SU |
Functional Unit / Software Unit |
| FULL |
full control word |
| FUSE |
Far Ultraviolet Spectroscopy Explorer |
| FUSE |
Far Ultraviolet Spectroscopic Explorer |
| FUV |
Far Ultraviolet |
| FW |
Firewall |
| FWD |
Forward |
| FWD,F; F |
forward; Fwd |
| FWDU |
Flight Window Definition Utility (obsolete) |
| FWHM |
Full Width at Half Maximum |
| FY |
Fiscal Year |
| FY |
Feng Yun |
| FYI |
For Your Information |
| Faisat |
Final Analysis Inc. Satellite |
| Falcon-ODE |
Falcon Orbital Debris Experiment |
| Fdbk |
feedback |
| FedSat |
Federation Satellite |
| Fld |
field (area) |
| Flg |
flag |
| Fltr |
filter |
| Fmin |
minimum actuator force required |
| For |
force |
| Ftu |
design tensile ultimate strength (in MPa) |
| Fty |
design tensile yield strength (in MPa) |
| Fu |
fuel |
| Func |
function |
| Fxd |
fixed |
| G |
Gravity |
| G&A |
General and Administrative |
| G&A |
general & administrative |
| G-Z |
DDS Ground Zone |
| G.M.T. |
Greenwich Mean Time |
| G/T |
ratio of antenna gain to system noise temperature |
| G/T |
Gain to Noise Temperature Ratio |
| GAGAN |
GPS Aided Geo Augmented Navigation |
| GAIA |
Global Astrometric Interferometer for Astrophysics |
| GALEX |
Galaxy Evolution Explorer |
| GAMES |
Gravity & Magnetic Earth Surveyor |
| GAO |
Government Accountability Office |
| GAS |
Get-Away Special |
| GASMAP |
gas analysis system for metabolic analysis of physiology |
| GASPACS |
Get Away Special Passive Attitude Control Satellite |
| GATOSS |
Global Air Traffic Awareness & Optimizing through Spaceborne Surveillance |
| GATV |
Gemini Agena Target Vehicle |
| GAVRT |
Goldstone Apple Valley Radio Telescope |
| GBF |
gravitational biology facility |
| GBMS |
Glenn Research Center Business Management System |
| GBRA |
Ground Based Radio Astronomy |
| GBRS |
Generic Block Recording System |
| GBT |
Green Bank Telescope |
| GC |
Ground Controller |
| GCA |
GAS Conditioning Assembly |
| GCC |
flight-control ground segment |
| GCD |
Game Changing Development |
| GCE |
Ground Control Equipment |
| GCF |
Ground Communications Facility |
| GCI |
Ground Communications Infrastructure |
| GCM |
GPS Control & Monitor |
| GCM |
Ground Control Message |
| GCMR |
Ground Configuration Message Request |
| GCP |
Ground Command Procedure |
| GCP |
Guided Crew Procedure |
| GCP |
Goddard Corporate Park |
| GCR |
galatic cosmic radiation |
| GCRS |
geocentric celestial reference system |
| GCS |
Ground Communications Schedule |
| GCS |
Ground Communication System |
| GCT |
Ground Control Team |
| GCTC |
Gagarin Cosmonaut Training Center (in Moscow) |
| GCTC |
Gagarin Cosmonaut Training Center |
| GCU |
Gateway Control Unit |
| GCVS |
General Catalog of Variable Stars |
| GD |
General Dynamics |
| GDGPS |
Global Differential Global Positioning System |
| GDIR |
general design & interface requirement |
| GDIS |
Guam Data Interface System |
| GDMS |
Goddard Directives Management System |
| GDOP |
Geometric Dilution of Precision |
| GDRD |
General Design Requirements Document |
| GDS |
Great Dark Spot |
| GDS |
Call sign for Goldstone, California Ground Network Tracking Station |
| GDS |
Ground Data System |
| GDSCC |
Goldstone Deep Space Communications Complex |
| GDSS |
Gateway Docking System |
| GDSS |
Global Decision Support System |
| GDU |
Generation Data Unit |
| GE |
General Electric |
| GEANT |
Geometry & Tracking Monte Carlo radiation transport code |
| GEC |
Geospace Electrodynamic Connections |
| GEM |
Giotto Extended Mission |
| GEM |
Galileo Europa Mission |
| GEM |
Galileo Extended Europa Mission |
| GEMINI |
GRC Environment for Modeling Integrated Network Infrastructure |
| GEMS |
Gravity & Extreme Magnetism SMEX |
| GEN |
General |
| GENSAA |
Generic Spacecraft Analyst Assistant |
| GEO |
Geosynchronous Equatorial Orbit |
| GEO |
Geostationary Earth Orbit |
| GEO |
Geosynchronous Earth Orbit |
| GEODESIC |
Geo Electrodynamics & Electro Optical Detection of Electron & Suprathermal Ion Currents |
| GEOS |
(3) Geodynamics Experimental Ocean Satellite |
| GEOS |
(ESA) Geostationary Earth Orbit Satellite |
| GEOS |
(Expl.) Geodetic Earth Orbiting Satellite |
| GEOTAIL |
Geomagnetic Tail Laboratory |
| GERI |
Gateway External Robotic Interface |
| GERS |
Gateway External Robotic Systems |
| GES |
DAAC GSFC Earth Science Distributed Active Archive Center |
| GESRP |
Gateway ESA Safety Review Panel |
| GETS |
FOD’s Gateway Element Training Simulation |
| GEVR |
Gateway Extra-Vehicular Robotics |
| GEWEX |
Global Energy and Water Exchanges project |
| GF |
Grapple Fixture |
| GF(n) |
Galois field consisting of exactly n elements |
| GFAC |
Goldstone Frequency and Airspace Coordination |
| GFAS |
Ground/Flight Application Software |
| GFAST |
Ground/Flight Application Software Team |
| GFC |
Guaranteed Funding for CCNs |
| GFE |
government furnished equipment |
| GFI |
ground fault interrupter |
| GFMRB |
Ground Facilities MRB |
| GFO |
Geosat Follow On |
| GFP |
Government Furnished Property |
| GFY |
Government Fiscal Year |
| GFZ |
Geo Forschungs Zentrum |
| GG |
gravity gradient |
| GGR&C |
Generic Groundrules & Constraints Part 1 |
| GGSE |
Gravity Gradient Stabilisation Experiment |
| GGT-G |
Glutamyltransferase |
| GGTS |
Gravity Gradient Test Satellite |
| GGr&C |
ISS Generic Groundrules & Constraints Part 2 |
| GHB |
Goddard Handbook |
| GHRS |
Goddard High Resolution Spectrograph (on HST) |
| GHe |
Gaseous Helium |
| GHz |
Gigahertz |
| GICTF |
Gateway Integrated Communication Test Facility |
| GIDEP |
Government Industry Data Exchange Program |
| GIF |
Graphics Interchange Format |
| GIFTS |
Geostationary Imaging Fourier Transform Spectrometer |
| GIFTS-IOMI |
Geosynchronous Imaging Fourier Transform Spectrometer - Indian Ocean METOC Imager |
| GIG |
Global Information Grid |
| GIGSS |
Gateway International Ground System Specification |
| GIOVE |
Galileo In-Orbit Validation Element |
| GISAT |
GEO Imaging Satellite |
| GISP |
Gateway Integrated Spacecraft Performance WG |
| GITS |
GSOC Issue Tracking System |
| GIVS |
Gateway Integrated Vehicle Simulation |
| GIVUS |
hich-accuracy rate sensor; a gyro-based devise that measures the angular rate vector. |
| GIWG |
GPS International Working Group |
| GL |
Government Led |
| GL |
Government Leased |
| GL&C |
Guidelines & Constraints |
| GLA |
General Luminaire Assembly |
| GLAS |
Geoscience Laser Altimeter System |
| GLAST |
Gamma–ray Large Area Space Telescope (now Fermi Gamma-ray Space Telescope) |
| GLD |
Goldstone Logistics Depot |
| GLOBE |
Global Learning & Observations to Benefit the Environment |
| GLOMR |
Global Low-Orbiting Message Relay |
| GLONASS |
GLObal NAvigation Satellite System (Russia) |
| GLONASS |
Globalnaya Navigationnaya Sputnikovaya Sistema |
| GLONASS |
global navigation satellite system |
| GLOW |
Gross Lift-Off Weight |
| GLS |
Gateway Logistics Services |
| GLU |
Glucose |
| GM |
Ground Model |
| GMAT |
General Mission Analysis Tool |
| GMAW |
gas metal arc welding |
| GMBL; Gmbl |
gimbal |
| GMC |
Giant Molecular Cloud |
| GMI |
GPM Microwave Imager (Global Precipitation Measurement instrument) |
| GMI |
Goddard Management Instruction |
| GMM |
geometrical mathematical model |
| GMO |
Ground and Mission Ops |
| GMOD |
GPS Modular |
| GMRT |
Giant Meter-wave Radio Telescope |
| GMS |
Geostationary Meteorological Satellite |
| GMSEC |
Goddard Mission Services Evolution Center |
| GMSK |
Gaussian minimum shift keying |
| GMT |
Greenwich Mean Time (also called UT) |
| GMT |
Greenwich Mean Time |
| GN |
Ground Node |
| GN |
Ground Networks |
| GN |
Ground Network |
| GN&C |
Guidance Navigation & Control |
| GN&C |
guidance, navigation, & control |
| GN2 |
Gaseous Nitrogen |
| GN2; GN |
gaseous nitrogen |
| GNC |
GNC engineer |
| GNC |
Guidance Navigation & Control |
| GNC; GN&C |
guidance,navigation & control (system) |
| GND |
Ground |
| GNSS |
global navigation satellite system |
| GNUG |
Ground Network Users’ Guide |
| GO |
Government Owned |
| GO |
Gurwin Oscar |
| GO2 |
Gaseous Oxygen |
| GO2; GOX |
gaseous oxygen |
| GOCE |
Global Ocean Circulation Explorer |
| GOCR |
Ground Operations Control Room |
| GOES |
Geostationary Operational Environmental Satellite |
| GOES |
Geostationary Operational Environemental Satellite |
| GOES |
Geostationary Orbiting Environmental Satellite |
| GOES-L |
Geostationary Operational Environmental Satellite-L Series |
| GOES-R |
Geostationary Operational Environmental Satellite-R Series |
| GOICP |
Gateway Operations Integration Coordination Panel |
| GOIN |
Global Observation Information Network |
| GOLF |
GGreater Orbit, Larger Footprint |
| GOLF-TEE |
GGreater Orbit, Larger Footprint – Technology Exploration Environment |
| GOM |
Ground Operations Manager |
| GOP |
Ground Operations Planner |
| GOR |
Ground Operations Review |
| GOR |
General Operations Room |
| GORR |
Gateway Operational Groundrules & Requirements |
| GOS |
Ground Operations Subsystem |
| GOSAT |
Greenhouse Gases Observing Satellite |
| GOSIP |
Government Open Systems Interconnection Profile |
| GOT |
Glutamic-Oxaloacetic Transaminase (or aspartate aminotransferase) |
| GOT |
Ground Operations Team |
| GOTS |
Government Off the Shelf |
| GOX |
Gaseous OXygen |
| GP |
Gravity Probe |
| GP-B |
Gravity Probe-B |
| GPC |
General Purpose Computer |
| GPCB |
Gateway Program Control Board |
| GPE |
Government Provided Equipment |
| GPIM |
Green Propellant Infusion Mission |
| GPIP |
General Purpose Input |
| GPM |
Global Precipitation Measurement |
| GPOD |
Gateway Operations Concept Document |
| GPR |
Goddard Procedural Requirements |
| GPRA |
Government Performance and Results Act |
| GPRA |
Government Performance & Results Act |
| GPS |
Global Positioning System |
| GPSAA |
GPSAntenna Assembly (PROX) |
| GPSD |
Global Positioning System Directorate |
| GPT |
Glutamic-Pyruvic Transaminase (or alanine aminotransferase) |
| GPVP |
Generic Payload Verification Plan |
| GR |
General Relativity |
| GR&A |
Ground Rules & Assumption |
| GR&C |
Ground Rules & Constraints |
| GR&C |
generic groundrules, requirements, & constraints |
| GR&C |
Ground Rules and Constraints |
| GRA |
Ground Rules & Assumptions |
| GRAB |
Gateway Risk Advisory Board |
| GRACE |
Gravity Recovery and Climate Experiment |
| GRACE |
Gravity Recovery & Climate Experiment |
| GRAIL |
Gravity Recovery & Interior Laboratory |
| GRAIL |
Gravity Recovery and Interior Laboratory |
| GRAM |
global reference atmosphere model |
| GRAS |
Geant4 Radiation Analysis for Space |
| GRB |
Gamma Ray Burster |
| GRC |
Glenn Research Center (NASA) |
| GRC |
NASA John H. Glenn Research Center at Lewis Field |
| GRC |
PBS Glenn Research Center–Plum Brook Station |
| GRC |
Glenn Research Center (formerly: the Lewis Research Center) |
| GRC |
Glenn Research Center |
| GREAT |
German Receiver for Astronomy at Terahertz |
| GRGT |
Guam Remote Ground Terminal |
| GRIFEX |
GEO-CAPE ROIC In-Flight Performance Experiment |
| GRIM |
Global Realtime Interactive Map |
| GRIP |
Genesis & Rapid Intensification Processes |
| GRM |
geometrically representative model |
| GRME |
generalized relative measurement error |
| GRO |
Gamma Ray Observatory (now CGRO) |
| GROUP-C |
GPS Radio Occultation & Ultraviolet Photometer on a Cubesat |
| GRP |
German Research Probe |
| GRS |
Generic Recording System |
| GRS |
Great Red Spot |
| GRS |
Geophysical Research Satellite |
| GRS |
German Research Satellite |
| GRS |
Gamma Ray Spectrometer (on Mars Observer) |
| GRT |
Generic Robotics |
| GRT |
Generic Robotics Training |
| GRTS |
GRO Remote Terminal System |
| GS |
Ground Segment |
| GS |
Ground Station |
| GS |
Ground Support |
| GS |
Ground System |
| GS |
AD Ground Segment Active Directory |
| GS |
Goldstone |
| GS-SRD |
Ground Segment System Requirements Document |
| GSA |
General Services Administration |
| GSAITP |
ground segment AIT plan |
| GSBCA |
General Services Administration Board of Contract Appeals |
| GSC |
Guide Star Catalog (for HST) |
| GSCB |
Ground Segment Control Board (ISS Multilateral Board; ESA Board) |
| GSCDR |
ground segment critical design review |
| GSCRD |
ground segment customer requirements document |
| GSDDF |
ground segment design definition file |
| GSDE |
Ground Systems Development Environment |
| GSDJF |
ground segment design justification file |
| GSDO |
Ground Systems Development & Operations |
| GSDP |
ground safety data package |
| GSE |
Ground Support Equipment |
| GSEHEX |
Ground Support Equipment Heat Exhanger |
| GSEP |
ground segment engineering plan |
| GSFC |
Goddard Space Flight Center |
| GSFC |
Goddard Space Flight Center (NASA) |
| GSI |
Government Source Inspection |
| GSIF |
Ground Station Interface Facility |
| GSIF |
Ground System Interface Facility |
| GSM |
Gas Supply Module |
| GSM |
geocentric solar magnetospheric co-ordinates |
| GSM |
Ground Segment Manager |
| GSMRB |
Ground Segment MRB |
| GSO |
geostationary orbit |
| GSO |
geosynchronous orbit |
| GSOC |
German Space Operations Center |
| GSOC |
German Space Operation Center |
| GSOP |
Ground System Operations Project |
| GSP |
General Studies Programme |
| GSP |
Ground Support Personnel |
| GSP-CB |
Ground Support Personnel Control Board |
| GSPCB |
Ground Support Personnel Certification Board |
| GSPDR |
ground segment preliminary design review |
| GSQR |
ground segment qualification review |
| GSR |
Geosynchronous Satellite Report |
| GSR |
Ground Safety Review |
| GSRD |
ground segment requirements document |
| GSRR |
Ground Segment Readiness Review |
| GSS |
Generalized Support Software/System |
| GSS |
ground segment supplier |
| GSSAP |
Geosynchronous Space Situational Awareness Program |
| GSSR |
Ground Segment Service Request |
| GSSR |
Goldstone Solar System Radar |
| GSSRR |
ground segment system requirements review |
| GSTB |
Galileo System Test Bed |
| GSTDN |
Ground Spaceflight Tracking and Data Network |
| GSTP |
General Support Technology Programme |
| GSU |
Ground Support Unit |
| GSVL |
Gateway Software Verification Lab |
| GSVP |
ground segment verification plan |
| GT |
Ground Terminal |
| GTA |
Ground Test Article |
| GTA |
Guam Telephone Authority |
| GTAP |
Ground Test AP (Automated Procedure) |
| GTAS |
Generic Trending and Analysis System |
| GTAW |
gas tungsten arc welding |
| GTD |
Ground Test Demonstrator |
| GTD |
Ground Test Demonstration |
| GTDM |
Generic Time Division Multiplexed |
| GTDS |
Goddard Trajectory Determination System |
| GTE |
Global Tropospheric Experiment |
| GTO |
Geostationary Transfer Orbit |
| GTOD |
Greenwich True Of Data reference frame |
| GTPS |
Groupe de Travail de Pyrotechnie |
| GTSIM |
Generic Telemetry Simulator |
| GUCP |
Gateway Utilization Coordination Panel |
| GUI |
graphical user interface |
| GUSSTO |
Galactic/Xgalactic Ultra long duration balloon Spectroscopic |
| GVCB |
Gateway Vehicle Sys Int. Control Board |
| GVI |
Global Village Idiot |
| GVM |
Gabaritno-Vesovoi Maket |
| GW-Sat |
George Washington Satellite |
| GWAC |
Government Wide Acquisition Contract |
| GWAC |
Government Wide Acquisition Contracts |
| GWDU |
Ground Window Definition Utility |
| GaAs |
gallium arsenide |
| Gbit/s |
giga bits per second |
| GeV |
Gigaelectron volt |
| GemStar |
Global Electronic Messaging Star |
| Gen |
generator |
| Georg |
Geheimes Elektro-Optisches Reconnaissance System Germany |
| GiSAT |
Global IP Satellite |
| GiaB |
Gateway In A Box (implements FSW, supports interfacing to HW, runs GIVS) |
| GiaR |
Gateway In A Rack (includes Avionics HW) |
| GigE |
Gigabit Ethernet |
| Gr&C |
Increment Specific Groundrules & Constraints Part 2 |
| Greb |
Galactic Radiation Energy Background |
| Grp |
group |
| Guid |
guidance |
| Gy |
gray |
| Gyro |
gyroscope |
| H&S |
Health & Status |
| H/W |
Hardware |
| H/W; HW; HDW |
hardware |
| H1 |
Harness Level 1 (System avionics drawing) |
| HA |
harness & other torque or force resistances |
| HAA |
High Altitude Abort |
| HALCA |
Highly Advanced Laboratory for Communication & Astronomy |
| HALCA |
Highly Advanced Laboratory for Communications and Astronomy (also known as MUSES-B and VSOP) |
| HALO |
Habitat & Logistics Outpost |
| HALOE |
HALogen Occultation Experiment |
| HAO |
High Altitude Observatory |
| HAP |
High Altitude Program |
| HARP |
HyperAngular Rainbow Polarimeter |
| HARS |
HALO Air Revitalization System |
| HAS |
HALO Audio Subsystem |
| HASP |
HMS Ancillary Supply Pack |
| HAST |
highly accelerated stress test |
| HAT |
HSF Architecture Team |
| HATS |
Headquarters Action Tracking System |
| HAUSAT |
Hankuk Aviation University Satellite |
| HAVT |
Hypersonic Air-breathing Vehicle Technologies |
| HAWC |
High-resolution Airborne Wideband Camera |
| HAZ |
heat affected zone |
| HAZMAT |
Hazardous Materials |
| HB |
handbook |
| HB |
Hot Backup (MSS) |
| HB |
Brinell hardness |
| HBCU |
Historically Black Colleges and Universities |
| HBCU |
Historically Black Colleges & Universities |
| HBM |
human body model |
| HBP |
Human Behaviour & Performance |
| HBTM |
Hybrid Bispectral Threshold Method |
| HC |
Hazard Control |
| HC-HPC |
high current high power command |
| HC-MMS |
High Capacity MMS |
| HCA |
Humidity Control Assembly |
| HCD |
human centred design |
| HCE |
Heater Control Equipment (JEF) |
| HCED |
Halley's Comet Experiment Deployable |
| HCI |
Human Computer Interface |
| HCI |
Hydrogen Chloride |
| HCIF |
Hand Controller Interface |
| HCM |
Heater Control Module |
| HCMG3X |
momentum H of CMG3 in x direction |
| HCMG3Y |
momentum H of CMG3 in y direction |
| HCMG3Z |
momentum H of CMG3 in z direction |
| HCMM |
Heat Capacity Mapping Mission |
| HCN |
Hydrogen Cyanide |
| HCOR |
High-Rate Communications Outage Recorder |
| HCP |
Hardware Command Panel (ISS) |
| HCPA |
Hot Plasma Composition Analyzer |
| HCS |
Hard Capture System |
| HCU |
Heater Control Unit |
| HCl |
chloride acid |
| HD |
Henry Draper catalog entry |
| HD |
highly directable |
| HDI |
high density interconnect |
| HDL |
hardware description language |
| HDLC |
High-Level Data Link Control |
| HDLP |
High Density Lipoprotein (cholesterol) |
| HDPCG |
high-density protein crystal growth |
| HDPE |
high density polyethylene |
| HDR |
high data rate |
| HDRM |
Hold Down Release Mechanism |
| HDRS |
High Data Rate System |
| HDSW |
Hardware Dependent SW |
| HDTV |
High Definition Television |
| HDTV |
high-definition television |
| HE |
Human Exploration |
| HE |
Habitable Element |
| HEA |
Habitable Element Adapter |
| HEAO |
High Energy Astronomical Observatory |
| HEC |
Human Exploration Capability |
| HECC |
Human Exploration Control Centre |
| HECC |
High End Computing Capability |
| HEDS |
Human Exploration and Development of Space |
| HEDS |
Human Exploration & Development of Space |
| HEF |
High Efficiency |
| HEMT |
High Electron Mobility Transistor |
| HEO |
Human Exploration & Operations |
| HEO |
Highly Elliptical Orbit |
| HEOMD |
Human Exploration & Operations Mission Directorate |
| HEOMD |
Human Exploration and Operations Mission Directorate |
| HEOS |
Highly Eccentric Orbit Satellite |
| HEPA |
high-efficiency particulate air filter |
| HEPA |
high efficiency particulate air |
| HEPA |
high efficiency particle air filter |
| HEPS |
High Efficiency Power Supply (MAVEN) |
| HERMES |
3-D Monte Carlo radiation transport simulation code developed by Institut für Kernphysik Forschungszentrum Jülich GmbH |
| HESSI |
High Energy Solar Spectroscopic Imager |
| HET |
Human Exploration Telerobotics |
| HETC |
High Energy Transport Code |
| HETE |
High Energy Transient Experiment |
| HF |
High Frequency |
| HF |
High Frequency (f= 3 MHz 30 MHz) |
| HFE |
hydro fluor ether (Per fluoro-n-butyl methyl ether) |
| HFE |
human factors engineering |
| HFIT |
Human Factors Integration Team |
| HGA |
High Gain Antenna |
| HGD |
Handgrip |
| HH&P |
Human Health & Performance |
| HHC |
Health & Human Countermeasures |
| HIAD |
Hypersonic Inflatable Aerodynamic Decelerator |
| HICO |
Hyperspectral Imager for the Coastal Ocean (HREP) |
| HIDRA |
High Data Rate Architecture |
| HILAT |
High Latitude Reseach Satellite |
| HIP |
Human Interface Panel |
| HIP |
Helmet Interchangeable Light |
| HIP |
Hydrostatic indifferent point |
| HIPAA |
Health Insurance Portability & Accountability Act |
| HIPO |
High-speed Imaging Photometer for Occultation |
| HIRAAS |
High Resolution Airglow / Aurora Spectroscopy Experiment |
| HIRAP |
high-resolution accelerometer package |
| HIRDLS |
High Resolution Dynamic Limb Sounder |
| HIRES |
High Resolution Echelle Spectrometer |
| HIRS |
High Resolution Infrared Radiation Sounder |
| HIS |
Heavy Ion Sensor |
| HISUI |
Hyperspectral Imager Suite |
| HITL |
Human-in-the-loop |
| HITSAT |
Hokkaido Institute of Technology Satellite |
| HK |
Housekeeping |
| HK TM |
telemetry,Housekeeping Telemetry (ATV) |
| HK TM |
Housekeeping Telemetry (ATV) |
| HKIF |
House-Keeping Interface (part of CD-MCS SA) |
| HL |
High Limit |
| HLA |
High Level Architecture (IEEE standard 1516-2010) |
| HLC |
Heavy Lift Capability |
| HLCL |
High Level Command Language |
| HLCS |
HALO Lunar Communications System |
| HLIST |
HE Launch Site Integrated Test |
| HLS |
Human Landing Systems |
| HLV |
Heavy Lift Vehicle |
| HM |
HALO Mediator |
| HMC |
Halley Multicolor Camera (on Giotto) |
| HMC |
hydrogen master clock |
| HMD |
Head Mounted Display (s.a. a VR headset) |
| HMD |
Hardware Maintenance Depot |
| HME |
Human Spaceflight Microgravity & Exploration (ESA directorate) |
| HME-GN |
HME Ground Network |
| HME-GS |
HME Ground Segment |
| HME-IS |
HME Infrastructure Services |
| HMF |
Hypergol Maintenance Facility |
| HMI |
human machine interface |
| HMS |
health maintenance system |
| HMST |
Hazardous Materials Summary Table |
| HMT |
hexamethylenetetramine |
| HMU |
Harness Manufacturing Unit |
| HNSC |
Hellenic National Space Committee (Greece) |
| HOMER |
High Altitude Ozone Measuring & Educational Rocket |
| HOPE |
H-2 Orbital Plane Experiment |
| HOSC |
Huntsville Operations Support Center |
| HOTH |
Houston Orion Test Hardware |
| HOTOL |
HOrizontal TakeOff & Landing (a proposed SSTO craft) |
| HOU |
Houston |
| HP |
heat pipe |
| HPA |
high power amplifier |
| HPA |
Hand Posture Analyzer |
| HPBW |
Half-Power Beamwidth |
| HPC |
high power command |
| HPD |
heat pipe diode |
| HPGA |
high pressure gas assembly |
| HPGe |
high-purity germanium |
| HPIW |
High Pressure Industrial Water |
| HPO |
HALO Project Office |
| HPOA |
High Power Optical Amplifier |
| HPPG |
High Priority Performance Goal |
| HPSC |
Boeing Houston Product Support Center |
| HQ |
Headquarters |
| HQ |
NASA Headquarters |
| HR |
Hertzsprung-Russell (diagram) |
| HR |
Heart rate |
| HR |
Hour |
| HR (S) |
Hour(s) |
| HRC |
Rockwell hardness |
| HRCA |
Human Rated Compliance Assessment |
| HRD |
High Rate Data |
| HRDL |
High-rate (data) downlink |
| HRDL |
high rate data link |
| HRDP |
High-rate data processing |
| HRE |
(Directorate of) Human Spaceflight & Robotic Exploration Programmes |
| HREDA |
HRE Data Archive |
| HREL |
Hold & Release Electronics |
| HREL |
Hold and Release Electronics (JEMRMS) |
| HREP |
HICO/RAIDS Experiment Payload (EF payload) |
| HREU |
Hold and Release Electronics Unit |
| HRF |
Human Research Facility |
| HRFM |
high rate frame multiplexer |
| HRI |
High Resolution Imager (on ROSAT) |
| HRJ |
Hydro-treated Renewable Jet |
| HRM |
high rate modem |
| HRM |
High Rate Multiplexer |
| HRM |
Hold and Release Mechanisms (three) (JEMRMS) |
| HRM |
Hold and Release Mechanism |
| HRM |
Heart rate monitor |
| HRMRB |
Human Research Multilateral review board |
| HRMS |
High Resolution Microwave Survey |
| HRN |
I-HAB Harness |
| HRP |
Human Research Program |
| HRS |
Heat Rejection Subsystem |
| HRS |
Human Restraint System |
| HRTS |
High Resolution Telescope & Spectrograph |
| HS |
hot structure |
| HSE |
Heath Status Examination |
| HSF |
Human Spaceflight |
| HSFO |
Human Space Flight Operations |
| HSI |
Hardware/Software Integration |
| HSIA |
hardware-software interaction analysis |
| HSM |
Health State Manager |
| HSMF |
Headquarters Spectrum Management Forum |
| HSP |
High Speed Photometer (on HST) |
| HSP |
Health Stabilization Program |
| HSPAR |
HALO Subcontractor Product Assuranec Requirement |
| HSPD |
Homeland Security Presidential Directive |
| HSPP |
Homeland Security Presidential Directive |
| HSR |
Houston Support Room |
| HSRP |
Hot Standby Routing Protocol |
| HSRT |
Human Systems Research and Technology |
| HSSI |
High Speed Serial Interface |
| HST |
Hubble Space Telescope |
| HTC |
Heat Transfer Coefficient |
| HTH |
Hope This Helps |
| HTH-2 |
Heat Transfer Host 2 |
| HTHL |
Horizontal Takeoff Horizontal Landing |
| HTIF |
hybrid circuit technology identification form |
| HTL |
High Temperature Loop |
| HTL |
high-temperature loop |
| HTML |
Hyper-Text Markup Language |
| HTRB |
high-temperature reverse bias |
| HTRB |
high temperature reverse bias |
| HTTP |
Hypertext Transfer Protocol |
| HTTPS |
HyperText Transmission Protocol, Secure |
| HTV |
HII Transfer Vehicle |
| HTV |
H-2 transfer vehicle |
| HTVL |
Horizontal Takeoff Vertical Landing |
| HU |
Hosting Unit |
| HUT |
Hopkins Ultraviolet Telescope (ASTRO package) |
| HV |
High Voltage |
| HV-HPC |
high voltage high power command |
| HVAC |
heating, ventilation, air conditioning, & cooling |
| HVI |
Hypervelocity Impact |
| HVR |
Hardware Verification Review |
| HViDS |
HOSC Video Distribution System |
| HW |
Hardware |
| HWM |
horizontal wind model |
| HX |
heat exchanger |
| HXB |
Heat Exchanger Bypass |
| HY |
Haiyang |
| HYB2 |
Hayabusa-2 |
| HYLAS |
Highly Adaptable Satellite |
| HZE |
particle of high atomic mass & high energy |
| Hab |
Habitatation Module |
| Hab |
habitation module |
| Haz |
hazard |
| Hb |
Hemoglobin |
| Hct |
Hematocrit %PCV |
| HeDI |
Helium Doppler Imager |
| HeRA |
Hermes Robotic Arm |
| HeidelSat |
Heidelberg Satellit |
| Hexapod |
Hexapod Pointing System |
| HgCdTe |
Mercury-Cadmium-Telluride (type of array used in many instruments) |
| Hi Volt,Hi V |
high voltage |
| HiNCube |
Høgskolen i Narvik CubeSat |
| HiNet |
High-Speed Network |
| HiVHAc |
High Voltage Hall Accelerator |
| HiakaSat |
Hyperspectral Imaging, Aeronautical Kinematic Analysis Satellite |
| Hipparcos |
High Precision Paralax Collecting Satellite |
| Hugo |
Highly Unusual Geophysical Obeservations |
| HumSat-D |
Humanitarian Satellite - Demonstrator |
| Hutsat |
Helsinki University of Technology Satellite |
| HySIS |
Hyper Spectral Imaging Spectrometer |
| HyTI |
Hyperspectral Thermal Imager |
| Hyflex |
Hypersonic Flight Experiment |
| HypIRI |
Hyperspectral Infrared Imager |
| Hyper-X |
Hypersonic Experiment |
| Hz |
hertz |
| I |
irradiated |
| I |
&T Integration & Test |
| I |
increment |
| I&T |
Integration & Test |
| I&T |
Integration and Testing |
| I&TO |
Integration & Test Order |
| I-CCS |
I-HAB Coolant Control System |
| I-HAB |
International Habitation Module |
| I-V |
current-voltage |
| I-load,ILoad |
initial load |
| I/F |
Interface |
| I/MI |
Increment / Mission Integration |
| I/O |
input/output |
| I/T |
Information Technology |
| I2C |
inter-integrated circuit |
| I3P |
Information Technology Infrastructure Integration Program |
| IAA |
intravehicular antenna assembly |
| IAC |
International Astronautical Congress |
| IAC |
Internal Audio Controller |
| IAE |
Inflatable Antenna Experiment |
| IAF |
Intelligent Alert Filtering |
| IAG |
International Association of Geodesy |
| IAGA |
International Association for Geomagnetism & Aeronomy |
| IAP |
Increment Activity Plan |
| IAPFR |
restraint,interoperable APFR |
| IAPPP |
International Amateur/Professional Photoelectric Photometry |
| IAS |
internal audio subsystem |
| IAS |
Image Assessment System |
| IASB |
Institute d'Aeronomie Spatiale de Belgique |
| IASB |
Institute d’Aeronomie Spatiale de Belgique |
| IASI |
Infrared Atmospheric Sounding Interferometer |
| IATA |
international air transport association |
| IATR |
Initial Architecture Technology Review |
| IAU |
International Astronomical Union |
| IAUC |
IAU Circular |
| IBAS |
Interactive Basic Accounting System |
| IBDM |
International Berthing & Docking Mechanism |
| IBEX |
Interstellar Boundary Explorer |
| IBIS |
Imager on Board the INTEGRAL Satellite |
| IBPD |
Integrated Budget and Performance Document |
| IBPD |
Integrated Budget & Performance Document |
| IBR |
Integrated Baseline Review |
| IBSS-SPAS |
Infrared Background Signature Survey - Shuttle Palette Satellite |
| IC |
interconnected cell |
| IC |
Institutional Committee |
| IC |
integrated circuit |
| ICA |
Innovative Concepts for Aviation |
| ICAM |
Internal Camera |
| ICAM |
Identity, Credential and Access Management |
| ICAO |
International Civil Aviation Organization |
| ICATT |
ISS Command & Telemetry Team |
| ICB |
Integration Control Board |
| ICC |
Integrated Computer Complex (Host Computer) |
| ICC |
Integrated Command & Control |
| ICC |
integrated cargo carrier |
| ICC |
Integrated Control Center |
| ICC |
Instrument Control Center |
| ICCN |
Inter-center Council for Computer Networking |
| ICD |
Interface Control Document |
| ICD |
instrument control document |
| ICDC |
ISS Communication Data Converter |
| ICE |
International Cometary Explorer |
| ICE |
ISS Characterization Experiment |
| ICE-Cap |
Integrated Communications Extension Capability |
| ICECube |
Ionospheric Scintilation Experiment Cubesat |
| ICESAT |
Ice, Cloud & Land Elevation Satellite |
| ICESat |
Ice, Cloud, and Land Elevation Satellite |
| ICEScape |
Impacts of Climate change on the Eco-Systems & chemistry of the arctic pacific environment |
| ICG |
International Committee on Global Navigation Satellite Systems (United Nations) |
| ICK |
insert contaminant kit |
| ICM |
Interim Command Module |
| ICM |
interim control module |
| ICM |
Increment Coordination Meeting |
| ICN |
Inter Console Note |
| ICO |
Intermediate Circular Orbit |
| ICON |
Ionospheric Connection Explorer |
| ICP |
Immediate Command Processor |
| ICPS |
Interim Cryogenic Propulsion Stage |
| ICPSU |
Interim Cryogenic Propulsion Stage Umbilical |
| ICR |
Integration Change Request |
| ICRD |
Infrastructure Configuration Requirements Document |
| ICRF |
international celestial reference frame |
| ICRP |
International Commission on Radiation Protection |
| ICRP |
Independent Comprehensive Review Panel |
| ICRS |
international celestial reference system |
| ICRU |
International Commission on Radiation Units & Measurements |
| ICS |
Inter-orbit Communication System (JEM) (Ka-band) |
| ICS |
Inter-Orbit Communication System |
| ICS-EF |
ICS unit installed at EF |
| ICSSC |
International Communications Satellite Systems Conference |
| ICTL |
Integrated Communication Test Laboratory |
| ICU |
Integrated Communications Unit |
| ICU |
Interim Control Unit |
| ICWG |
Interface Control Working Group |
| ICubeIDCSP |
Initial Defense Communication Satellite Program |
| ID |
Identifier |
| ID |
identification |
| IDA |
International Dark-sky Association |
| IDA |
integrated diode assembly |
| IDAGS |
International Data & Graphics Standard |
| IDB |
Increment Data Base |
| IDB |
in-suit drink bag |
| IDD |
Interface Definition Document |
| IDDT |
Integrated Display & Development Team |
| IDE |
Integrated Development Environment |
| IDE |
Integrated Drive Electronics |
| IDEA |
Ionization Density & Electric field Analyzer |
| IDECS |
International Dark Energy Cosmology Survey |
| IDIQ |
Indefinite Date/Indefinite Quantity |
| IDIQ |
Indefinite Delivery Indefinite Quantity |
| IDL |
Interactive Data Language |
| IDLE |
idle control word |
| IDM |
ISS Departure Maneuver |
| IDM |
maneuver,ISS Departure Maneuver |
| IDM |
information documentation management |
| IDMP |
input data for mask or programming file generation |
| IDNX |
Integrated Digital Network Exchange |
| IDP |
Interface Development Panel |
| IDPS |
Interface Data Processing Segment |
| IDR |
Incremental Design Review |
| IDRD |
Increment Definition & Requirements Document |
| IDRP |
increment definitions requirements plan |
| IDS |
Integrated Documentation Service |
| IDSS |
International Docking System Standard |
| IE |
Ionospheric Explorer (Injun Explorer) |
| IE |
Innovations in Education (NASA, Education) |
| IEA |
integrated equipment assembly |
| IEC |
International Electrotechnical Commission |
| IEEE |
Institute of Electrical & Electronics Engineers |
| IEEE |
Institute of Electrical and Electronics Engineers |
| IEHA |
Integrated Experiment Hazard Assessment |
| IEMP |
Integrated Enterprise Management Program |
| IEPT |
International Execution Planning Team |
| IERS |
international earth rotation service |
| IERS |
international Earth rotation & reference service |
| IES |
Institute of Environmental Sciences |
| IEST |
Institute of Environmental Sciences & Technology |
| IETF |
internet engineering task force |
| IF |
intermediate frequency |
| IFC |
In-Flight called |
| IFDS |
Integrated Frequency Deconfliction System |
| IFEP |
In-flight examination program (MEC program) |
| IFHX |
Interface Heat Exchanger |
| IFI |
Item For Investigation |
| IFI |
Items For Investigation |
| IFL |
Integrated Flight Load |
| IFL |
Inter-Facility Link |
| IFL |
interpretation function language |
| IFM |
In Flight Maintenance |
| IFM |
in-flight maintenance |
| IFMP |
Integrated Financial Management Program |
| IFMS |
Interagency Fleet Management System |
| IFO |
Intensive Field Observation |
| IFOC |
International Flight Operations Contract |
| IFOR |
Interagency Forum Operational Requirements |
| IFOV |
Instantaneous Field of View |
| IFS |
Integrated Flight Schedule |
| IFT |
Initial Flight Test |
| IFTCA |
Internal Fluid & Temperature Control Assembly |
| IFWN |
In-Field Wireless Network |
| IG |
Inspector General |
| IGA |
Inter Government Agreement |
| IGARSS |
International Geoscience and Remote Sensing Symposium |
| IGBT |
insulated gate bipolar transistor |
| IGDG |
Internet-based Differential GPS System |
| IGEB |
Interagency GPS Executive Board |
| IGM |
InterGalactic Medium |
| IGOsat |
Ionospheric & Gamma-ray Observations Satellite |
| IGRF |
international geomagnetic reference field |
| IGS |
Interconnecting Ground System |
| IGS |
Integrated Ground Segment |
| IGS |
Intelligence Gathering Satellite |
| IGS |
Integrated Ground Subnetwork |
| IGS |
International Ground Stations |
| IGS |
International GNSS Service |
| IGS |
Interconnection Ground Subnetwork |
| IGS RN |
Interconnect Ground Subnetwork Relays & Nodes |
| IGS RN |
Interconnect Ground System Relays & Nodes |
| IGS WAN |
Interconnect Ground System Wide Area Network |
| IGS WAN |
Interconnect Ground Subnetwork Wide Area Network |
| IGS-NCC |
IGS-Network Control Centre |
| IGS-WAN |
IGS-Wide Area Network |
| IGSS |
Integrated Ground System Specification |
| IGY |
International Geophysical Year |
| IHX |
Interloop Heat Exchanger |
| II |
Increment Integration |
| IIC |
Increment Integration Coordinator |
| IID |
Interrupt identifier |
| IID |
interface identification document |
| IIDP |
increment implementation data pack |
| IIM |
Increment Integration Manager |
| IIO |
Increment Integration Office |
| IIP |
Increment Implementation Plan |
| IIR |
Increment Implementation Review |
| IIR |
Increment Integration Review |
| IIR |
Imaging Infrared Radiometer |
| IIRC |
If I Recall Correctly |
| IIST |
Initial Integrated Systems Test |
| IIT |
Increment Integration Team |
| IKAROS |
Interplanetary Kite-craft Accelerated by Radiation Of the Sun |
| IKI |
Russian Space Research Institute |
| IL |
Integration Lead |
| IL |
Inboard Lower |
| ILA |
Internal Lighting Assembly |
| ILFD |
Increment Lead Flight Director |
| ILLUMA-T |
Integrated LCRD Low-Earth Orbit User Modem and Amplifier Terminal |
| ILN |
International Lunar Network |
| ILS |
Integrated Logistics Support |
| ILS |
integrated logistic support |
| IM |
Issledovatel'ny Modul' |
| IM |
Increment Manager |
| IM |
intermediate moisture |
| IM |
Intermodulation |
| IM-1 |
Instrumentation Module (Unpressurised) |
| IM-2 |
Instrumentation Module (Pressurised) |
| IMA |
Integrated Modular Avionics |
| IMAGE |
Imager for Magnetopause to Aurora Global Exploration |
| IMAGE |
Imager for Magnetopause-To-Aurora Global Exploration |
| IMAP |
Interstellar Mapping & Acceleration Probe |
| IMARS |
ISS mission operations directorate avionics reconfiguration system |
| IMAX |
maximum image |
| IMC |
intermetallic compound |
| IMCA |
integrated motor controller assembly |
| IMCCE |
Institut de Mécanique Céleste et de Calcul des Ephémérides |
| IMDB |
Instrument Mission Data Base |
| IMDC |
Integrated Mission Design Center |
| IMEDS |
Integrated Medical System |
| IMEWS |
Integrated Missile Early Warning Satellite |
| IMEX |
Inner Magnetosphere Explorer |
| IMF |
interplanetary magnetic field |
| IMG |
Integrated Medical Group |
| IMHO |
In My Humble Opinion |
| IMHX |
Inter-Module Heat eXchanger |
| IMI |
Inner Magnetosphere Imager |
| IMIC |
Integrated Management Information Center |
| IMK |
Interim Medical Kit |
| IML1 |
International Microgravity Laboratory 1 |
| IMMI |
IVA man-machine interface |
| IMMT |
International Space Station Mission Management Team |
| IMMT |
ISS Mission Management Team |
| IMO |
International Maritime Organization |
| IMO |
International Meteor Organization |
| IMOS |
Integrated Mission Operations Schedule |
| IMOT |
International Medical Operation Team |
| IMP |
Interplanetary Monitoring Platform |
| IMP |
Integrated Master Plan |
| IMS |
inventory management system |
| IMS |
Infrastructure Monitoring System (Col-CC) |
| IMS |
Integrated Medical System |
| IMS |
Integrated Master Schedule |
| IMS |
Information Management System |
| IMT |
(NASA) Increment Management Team |
| IMU |
Inertial Measurement Unit |
| IMULE |
Inertial Measurement Unit (SpX Dragon) |
| IMV |
Intermittent Mandatory Ventilation |
| IMV |
Intermodule Ventilation |
| IMV |
Intermodule Valve |
| INBD,Inbd |
inboard |
| INCA |
Ionospheric Neutron Content Analyzer |
| INCOSE |
International Council on Systems Engineering |
| IND |
Interplanetary Network Directorate |
| INDEX |
Inovative Technology Demonstration Experiment |
| INFRA |
GSOC Infrastructure |
| INFRA-GEN |
Infrastructure General (Col-CC) |
| INFRA-SAN |
Infrastructure Storage Area Network (ColCC) |
| INH |
Inhibited |
| INH1 |
IEC 61190-1-3 (2002) flux designation: inorganic, high activation (> 2 % halide) |
| INIT1 |
initialisation control word 1 |
| INIT2 |
initialisation control word 2 |
| INIT3 |
initialisation control word 3 |
| INKSNA |
Iran-North Korea-Syria Non-proliferation Act |
| INOC |
Integrated Network Operation Center |
| INPE |
Brazilian Institute for Space Research |
| INPE |
Instituto Nacional de Pesquisas Espaciais (National Institute for Space Research, Brazil) |
| INPE |
National Institute for Space Research—Brazil (Instituto Nacional de Pesquisas Espaciais) |
| INPS |
Integrated Network Planning System |
| INS |
inspection |
| INS |
Inertial Navigation System |
| INSPIRE |
Interplanetary NanoSpacecraft Pathfinder In a Relevant Environment |
| INST |
Installation |
| INT MDM |
Internal Multiplexer/Demultiplexer |
| INT-1 |
SW Integration Facility |
| INT-2 |
SW Integration Facility |
| INTA |
Instituto Nacional de Técnica Aeroespacial (National Institute for Aerospace Technology, Spain) |
| INTA |
Instituto Nacional de Técnica Aerospacial |
| INTEGRAL |
International Gamma Ray Astrophysics Laboratory |
| INTEGRAL |
INTErnational Gamma-Ray Astrophysics Laboratory |
| INTRSA |
international registration scheme for assessors |
| INTSYS |
Internal Systems |
| INTSYS |
(ISS) Internal Systems |
| INVADER |
Interactive satellite for Art & Design Experimental Research |
| IO |
Italian Oscar |
| IOA |
Integrated Operations Architecture |
| IOAG |
Interagency Operations Advisory Group |
| IOC |
Initial Operating Capability |
| IOCPS |
Integrated Optical Communications & Proximity Sensors |
| IOCU |
input/output controller unit |
| IOI |
In-Orbit Infrastructure |
| IOMP |
Increment Operations & Maintenance Plan |
| ION |
Illinois Observing Nanosatellite |
| ION |
Institute of Navigation |
| IONet |
Internet Protocol (IP) Operational Network |
| IOOR |
in-orbit operations review |
| IOP |
Interoperability Plenary |
| IOP |
Intensive Observation Period |
| IOP |
Ignition Over Pressure |
| IOP |
integrated operations plan |
| IOP |
Intraocular Pressure |
| IOPM |
IOT Execute Level Planning sub-service Manager |
| IOR |
Increment Operations Review |
| IOR |
ISS Operational Readiness |
| IOS |
Integrated Operations Scenarios |
| IOSS |
Inflatable Optical Sphere System |
| IOT |
Industrial Operations Team |
| IOT-ARS |
IOT Anomaly Reporting System |
| IOT-TS |
IOT Ticket System |
| IOTA |
Infrared-Optical Telescope Array |
| IOTA |
International Occultation Timing Association |
| IOTMM |
Integrated Overall Thermal Mathematical Model |
| IP |
International Partner |
| IP |
Internet Protocol |
| IP |
International Partners |
| IP (Phone) |
Internet Protocol (Phone) |
| IPA |
isopropyl alcohol (isopropanol) |
| IPA |
isopropyl alcohol |
| IPA |
isopropanol |
| IPAC |
Infrared Processing & Analysis Center |
| IPACS |
integrated power & attitude control systems |
| IPAO |
Independent Program Assessment Office |
| IPAT |
International Partners Attribute Table |
| IPC |
association connecting electronic industries |
| IPCB |
IP-Concatenation Box |
| IPCC |
International Panel on Climate Change |
| IPCE |
Independent Program Cost and Evaluation |
| IPCS |
Inter-process Communications System |
| IPD |
Information Processing Division |
| IPEX |
Intelligent Payload Experiment |
| IPF |
Image Processing Facility |
| IPLAT |
International Partner Label Assessment Team |
| IPM |
Increment Payload Manager |
| IPMS |
Integrated Procurement Management System |
| IPN |
Interplanetary Network |
| IPNOC |
Internet Protocol Network Operations Center |
| IPO |
Integrated Program Office |
| IPO |
Institutional Program Office |
| IPOL |
like in ESA-ADMIN-IPOL(2008)6-rev1 |
| IPOP |
ISS Prjgram Off-Nominal Situation Plan |
| IPP |
Innovative Partnership Program |
| IPP |
Innovative Partnerships Program |
| IPS |
Internet Protocol Service |
| IPS |
integrated planning system |
| IPS |
Internet Protocol Suite |
| IPS |
Internet Protocol Services |
| IPS |
Inertial Pointing System |
| IPSP |
Increment Preparation Support Plan |
| IPT |
Integrated Product Team |
| IPV |
International Procedure Viewer |
| IPWG |
Interagency Partnerships Working Group |
| IPWG |
Integrated Planning Working Group |
| IPX |
Novell Internetwork Packet Exchange |
| IQSY |
International Quiet Sun Year |
| IR |
InfraRed |
| IRAC |
Integrated Resilient Aircraft Controls |
| IRAC |
Inter-department Radio Advisory Committee |
| IRAD |
Independent Research and Development |
| IRAF |
Image Reduction & Analysis Facility |
| IRAS |
InfraRed Astronomical Satellite |
| IRB |
Institutional Review Board (American) |
| IRCB |
Infra-Red Calibration Balloon |
| IRD |
Increment Requirements Document |
| IRD |
Interface Requirements Document |
| IRDT |
Inflatable Re-Entry & Descent Technology |
| IRF |
inertial reference frame |
| IRFNA |
Inhibited Red Fuming Nitric Acid |
| IRIG |
Inter-Range Instrumentation Group |
| IRIS |
Infra-Red Imaging Surveyor |
| IRIS |
Interface Region Imaging Spectrograph |
| IRM |
Ion Release Module |
| IRM |
Information Resources Management |
| IRMS |
Information Resources Management Service |
| IRN |
Interface Revision Notice |
| IRPP |
integrated rectangular parallelepiped |
| IRPT |
inspection report |
| IRR |
Investigation Readiness Reviews |
| IRRP |
Institutional Realignment and Recovery Project |
| IRS |
Indian Remote Sensing Satellite |
| IRSA |
NASA/IPAC Infrared Science Archive |
| IRSIS |
International Rendezvous System Interoperability Standard |
| IRSOV |
Intermodule ventilation Return line Shut Off Valve |
| IRSP |
Instrumentation Radar Support Program |
| IRT |
Independent Review Team |
| IRT |
Integrated Rendezvous Target |
| IRTF |
Internet Research Task Force |
| IRTS |
Integrated Radiation Transport Suite |
| IS |
Implementing Strategy |
| IS |
Istrebitel Sputnikov |
| ISA |
Interconnection Security Agreement |
| ISA |
Institutional Service Agreement |
| ISA |
Inter Stage Adapter |
| ISARA |
Integrated Solar Array & Reflectarray Antenna |
| ISAS |
Institute of Space and Aeronautical Science (Japan) |
| ISAS |
Institute of Space & Astronautical Science (Japan) |
| ISAT |
Innovative Spacebased radar Antenna Technology |
| ISCCP |
International Satellite Cloud Climatology Project |
| ISD |
input serial digital |
| ISDC |
International Space Development Conference |
| ISDN |
Integrated Switched Digital Network |
| ISDN |
Integrated Services Digital Network |
| ISDN |
Integrated Service Digital Network |
| ISE |
Integrated Station Executive |
| ISECG |
International Space Exploration Coordination Group |
| ISEE |
International Sun Earth Explorer |
| ISES |
Integrated Space Experiment System |
| ISFA |
Intermodule ventilation Supply Fan Assembly |
| ISIL |
ISS Systems Integration Lab |
| ISIM |
Integrated Science Instrument Module |
| ISIS |
international subrack interface standard |
| ISM |
Industrial, Scientific, and Medical |
| ISM |
InterStellar Medium |
| ISO |
International Standards Organization |
| ISO |
International Organization for Standardization |
| ISO |
Infrared Space Observatory |
| ISO |
Inventory Stowage Officer |
| ISO |
International Standards Organisation |
| ISOCAM |
ISO infrared Camera |
| ISOV |
valve,isolation valve |
| ISP |
In-Space Propulsion |
| ISP |
Internet Service Provider |
| ISP |
Inertial Sun-Point |
| ISPM |
International Solar Polar Mission (now Ulysses) |
| ISPP |
In-Situ Propellant Production |
| ISPR |
International Standard Payload Rack |
| ISPR |
international standard payload rack: |
| ISPX |
Information Sharing Protocol for External |
| ISR |
Interim Standard Review |
| ISRO |
Indian Space Research Organization |
| ISRO |
Indian Space Research Organisation |
| ISRP |
Integrated Systems Research Program |
| ISRU |
In-Situ Resource Utilization |
| ISS |
International Space Station |
| ISS |
EP International Space Station Exploitation Program |
| ISS |
Ionosphere Sounding Satellite |
| ISS FD |
ISS Flight Director |
| ISS MORD |
Medical Operations Requirements Document |
| ISS SPAN |
ISS Spacecraft Analysis Manager |
| ISS-RD |
International Space Station - Russian Segment |
| ISS-RS |
International Space Station - Russian Segment |
| ISS-USOS |
International Space Station-United States On-Orbit Segment |
| ISSA |
International Space Station Alpha |
| ISSA |
International Space Station assembly |
| ISSMP |
International Space Station Medical Project |
| ISSOV |
Intermodule ventilation Supply line Shut Off Valve |
| ISSP |
International Space Station Program |
| IST |
Increment Support Timeline |
| IST |
interconnect stress test |
| IST |
Integrated Support Team |
| ISTP |
Integrated Space Transportation Plan |
| ISTP |
International Solar Terrestrial Physics program (includes the satellites wind, Geotail, Polar, SoHO & Cluster projects) |
| ISTP |
International Solar Terrestrial Physics |
| ISV |
independent software validation |
| ISVV |
independent software verification & validation |
| ISY |
International Space Year |
| IT |
Information Technology |
| ITA |
Internal Task Agreement |
| ITA |
integrated truss assembly |
| ITAC |
International Telecommunication Advisory Committee |
| ITAR |
International Traffic in Arms Regulation |
| ITAR |
International Traffic in Arms Regulations |
| ITC |
Instructional Training Techniques Course |
| ITC |
Instructor Training Course |
| ITCB |
International Training Control Board |
| ITCOP |
Interagency Tracking and Communications Operations Panel |
| ITCR |
Increment Training Certification Report |
| ITCS |
Internal Temperature Control System |
| ITCS |
internal thermal control system |
| ITEE |
Integration & Test Electrical Engineering |
| ITEPC |
Inter Mars TEPC |
| ITI |
Innovation Triangle Initiative |
| ITIL |
Information Technology Infrastructure Library |
| ITIP |
Increment Training Implementation Plan |
| ITIWG |
Increment Training Implementation Working Group |
| ITL |
Increment Training Lead |
| ITO |
indium tin oxide |
| ITOO |
Integrated Tactical Operations Organization |
| ITOS |
Improved Tiros Operational Satellite |
| ITOS |
Integrated Test and Operations System |
| ITRD |
Increment Training Requirements Document |
| ITRF |
international terrestrial reference frame |
| ITRS |
international terrestrial reference system |
| ITS |
integrated truss structure |
| ITS |
Information Technology Security |
| ITS-P |
Integrated Truss Structure - Port |
| ITS-S |
Integrated Truss Structure - Starboard |
| ITS-Z |
Integrated Truss Structure - Zenith |
| ITT |
invitation to tender |
| ITTM |
ISS Telemetry to Moscow |
| ITU |
International Telecommunication Union |
| ITU |
Input Terminal Unit |
| ITU-R |
ITU - Radiocommunication |
| ITU-R |
radio communication sector of the ITU |
| ITU-R |
International Telecommunication Union – Radiocommunications Sector |
| ITU-RR |
ITU - Radio Regulations |
| ITU/RR |
ITU radio regulations |
| ITV |
Instrumented Target Vehicle |
| IU |
Inboard Upper |
| IU |
Instrument Unit |
| IUE |
International Ultraviolet Explorer |
| IUGG |
International Union of Geodesy & Geophysics |
| IUPAC |
International Union of Pure & Applied Chemistry |
| IURC |
Interim User Requirement Collection |
| IUS |
Inertial Upper Stage |
| IUVS |
Imaging UltraViolet Spectrometer |
| IV |
intravehicular |
| IV |
intravenous |
| IV&V |
Independent Verification and Validation |
| IV&V |
Independent Verification & Validation |
| IV-CPDS |
intravehicular-charged particle directional spectrometer |
| IVA |
Intra Vehicular Activity |
| IVG |
inverted voltage gradient |
| IVGD |
inverted voltage gradient discharge |
| IVR |
Increment Verification Review |
| IVRHB |
Intravehicular Robotics Home Base |
| IVSU |
internal video switch unit |
| IVT |
Interface Verification Test |
| IVV team |
"Independent Verification and Validation test team" |
| IWC |
International Wireless Communications |
| IWG |
Investigators Working Group |
| IWG |
Informal Working Group |
| IXO |
International X-ray Observatory |
| IXPE |
Imaging X-Ray Polarimetry Explorer |
| IXV |
Intermediate eXperimental Vehicle |
| I_MDB |
Integrated Mission Data Base (GUI) |
| IceBridge |
NASA Science Airborne mission |
| Iinusat-1 |
Indonesian inter-university satellite |
| In |
inlet |
| InP |
indium posphide |
| InSPACE |
Investigating the Structure of Paramagnetic Aggregates from Colloidal Emulsions |
| Inact |
inactive |
| Incl. |
including |
| Inh |
inhibit |
| Init |
initialize |
| Init |
initiate |
| Init |
initial |
| Inop |
inoperative |
| Inst |
instrument |
| Inst |
instrumentation |
| Int |
interior |
| Int |
international |
| Intasat |
Instituto Nacional de Tecnica Aerospacial Satélite |
| Intelsat |
International Telecommunication Satellite |
| Inv |
inverter |
| Iout |
output current |
| Iris |
International Radiation Investigation Satellite |
| Isc |
short-circuit current |
| Isis |
International Satellite for Ionosphere Studies |
| Isol |
isolation |
| Isol |
isolate |
| Isp |
specific impulse |
| Iss. |
Issue |
| Itamsat |
Italian Amateur Satellite |
| J-2X |
Upper Stage Engine (Pratt & Whitney Rocketdyne, Inc) |
| J-CCB |
Joint Contract Change Control Board |
| J-ECB |
Joint Engineering Control Board |
| J-MMT |
(ESA) Joint Mission Management Team |
| J-R |
curve resistance curve based on J-integral |
| J2000.0 |
epoch 2000 January 1.5 (TT) |
| JADE |
Jovian Auroral Distributions Experiment |
| JAESat |
Joint Australian Engineering Satellite |
| JAM |
Joint Airlock Module |
| JAP |
JOIP Approval Panel |
| JAS |
Japanese Amateur Satellite |
| JAWSAT |
Joint Air Force Academy / Weber State University Satellite |
| JAXA |
Japan Aerospace Exploration Agency |
| JB-2006 |
Jacchia-Bowman semi-empirical model (2006) |
| JB-2008 |
Jacchia-Bowman semi-empirical model (2008) |
| JCCT |
Joint Cargo Certification Team |
| JCL |
Joint Confidence Level (cost & schedule) |
| JCPC |
Joint Crew Provisioning Catalog |
| JCS |
Joint Control Software |
| JCSat |
Japanese Communication Satellite |
| JD |
justification document |
| JDEM |
Joint Dark Energy Mission |
| JDI |
Jonathan Dickinson |
| JDM |
Joint Drive Module |
| JDMTA |
Jonathan Dickinson Missile Test Annex |
| JEDEC |
Joint Electron Device Engineering Council |
| JEDEC |
joint electronic devices engineering council |
| JEDI |
Jupiter Energetic particle Detector Instrument |
| JEDI |
Joint Execute Package Development & Integration |
| JEF |
JEM Exposed Facility (see also EF) |
| JEM |
Japanese Experiment Module (for SSF) |
| JEM |
RMS JEM remote manipulator system |
| JEM |
Japanese experiment module |
| JEM-EF |
Japan Experiment Module - Exposed Facility |
| JEM-ELM-ES |
Japan Experiment Module - Experimental Logistics Module Exposed Section |
| JEM-ELM-PS |
Japan Experiment Module - Experimental Logistics Module Pressurised Section |
| JEM-PM |
Japan Experiment Module - Pressurised Module |
| JERS |
Japanese Earth Resources Satellite |
| JES |
Joint excursion sensor |
| JEU |
joint electronics unit |
| JEUS |
Joint Emergency Undocking & Separation |
| JFET |
junction field effect transistor |
| JFH |
Jet Firing History |
| JFH |
history,Jet Firing History |
| JFRCB |
Joint Flight Rule Control Board |
| JGR |
Journal of Geophysical Research |
| JHU |
Johns Hopkins University |
| JHU |
John Hopkins University |
| JHU-APL |
Johns Hopkins University–Applied Physics Laboratory |
| JICB |
Joint Integrated Control Board |
| JICB |
Joint Integration Control Board |
| JICR |
Joint Institutional Communications Requirements |
| JILA |
Joint Institute for Laboratory Astrophysics |
| JIMO |
Jupiter Icy Moons Orbiter |
| JIN |
JSC Information Network |
| JIP |
Joint Integration Plan |
| JIP |
Joint Implementation Plan |
| JIS |
Joint Integrated Simulation |
| JISRR |
Joint Integrated Simulation Readiness Review |
| JITT |
Just-in-Time Training |
| JIVTP |
Joint Integration, Verification & Test Plan |
| JK |
Johannes Kepler |
| JLE |
JEM Experiment Logistic Module - Exposed Section |
| JLP |
JEM Experiment Logistics Module - Pressurized Section |
| JLP |
Japanese Logistics Pressurized |
| JM |
Jettison Motor |
| JMAPS |
Joint Milli-Arcsecond Pathfinder Survey |
| JMFP |
Joint Mission Flight Plan |
| JMMT |
Joint Mission Management Team |
| JMOI |
Joint Mission Operations Integration Meetings |
| JMR |
Jason-1 Mission Radiometer |
| JMST |
Joint Multi Segment Training |
| JMST |
Joint Multi-Segment Training |
| JMSTP |
Joint Mission Short-Term Plan |
| JOIP |
Joint Operational Interface Procedure |
| JOP |
Joint Operations Panel |
| JOP |
joint operations plan |
| JORR |
Joint Operation Readiness Review |
| JOWG |
Joint Operations Working Group |
| JPD |
JSC Policy Directive |
| JPDO |
Joint Planning & Development Office |
| JPEG |
joint photographic experts group |
| JPF |
Jenkins Pre-Doctoral Fellowship |
| JPL |
Jet Propulsion Laboratory |
| JPM |
JEM Pressurized Module |
| JPSS |
Joint Polar Satellite System |
| JRD |
Joint Requirement Document |
| JRPA |
Joint Robotic Precursor Activities |
| JSAC |
Joint Strategic Assessment Committee |
| JSC |
Johnson Space Center |
| JSC |
Johnson Space Center (NASA) |
| JSC |
NASA Lyndon B. Johnson Space Center |
| JSC |
Johnson Space Center (Houston, Tx.) |
| JSL |
Joint Station LAN |
| JSON |
JavaScript Object Notation |
| JSRR |
Joint Simulation Readiness Review |
| JSSW |
Ji Shu Shiyan Weixing |
| JTAG |
joint test action group |
| JTCB |
Joint Training Control Board |
| JTG |
Joint Task Group |
| JTR |
Joint Test Plan |
| JTRS |
Joint Tactical Radio System |
| JTVE |
JEM TV Camera Electronics |
| JUP |
Joint Utilisation Plan |
| JV |
Jules Verne |
| JVC |
Joint Venture Company |
| JWG |
Joint Working Group |
| JWS |
Joint Warfighting Space |
| JWST |
James Webb Space Telescope |
| JWST |
James Webb Space Telescope (formerly: the NGST,Next Generation Space Telescope) |
| Juno |
Jupiter Near-polar Orbiter |
| K-R |
curve resistance curve based on stress intensity factor (K) |
| KABA |
ESA corporate Access Control System |
| KAISTSat |
Korea Advanced Institute of Science & Technology Satellite |
| KAM |
Knowledge Acquired by Middle Schools |
| KAO |
Kuiper Airborne Observatory |
| KARI |
Korea Aerospace Research Institute |
| KASI |
Korean Astronomy and Space Science Institute |
| KASI-SAT |
Korea Astronomy & Space Science Institute Satellite |
| KAUSAT |
Korea Aerospace University Satellite |
| KB; Kybd |
keyboard |
| KBAR |
Knee-bar |
| KBT |
Ka-Band Transceiver |
| KC |
fracture toughness for stress conditions other than plane strain |
| KCAL Kc |
kilocalorie |
| KCRT |
Keyboard Cathode Ray Tube |
| KDD |
Knowledge Discovery and Data |
| KDP |
Key Decision Point |
| KDP |
Key Decision Point (review) |
| KE |
kinetic energy |
| KEAS |
Knots Equivalent Air Speed |
| KET |
Ketones |
| KF |
Kua Fu |
| KFKI |
Research Institute for Particle and Nuclear Physics (Hungary) |
| KFRL |
Kennedy Forward Return Link |
| KG/CM2 |
Kilograms Per Square Centimeter |
| KGF/CM2 |
Kilograms Force Per Square Centimeter |
| KH |
Key Hole |
| KHUSAT |
Kyung Hee University Satellite |
| KI |
Keck Interferometer |
| KIC |
plane strain fracture toughness |
| KICS |
KSC Integrated Communications Services |
| KIP |
key inspection point |
| KISCC |
threshold stress-intensity factor for stress-corrosion cracking |
| KIc |
fracture toughness |
| KIscc |
stress-corrosion cracking threshold stress intensity factor |
| KKS |
Kouku Kousen Satellite |
| KLOC |
Thousands (Kilo) of Lines of Code |
| KNACKSAT |
KKMUTNB Academic Challenge of Knowledge Satellite |
| KO |
Korean Oscar |
| KOM |
Kick-Off Meeting |
| KOMPSAT |
Korea Multi-Purpose Satellite |
| KOMPSAT |
Korean Multipurpose Satellite |
| KOS |
Keep Out Sphere |
| KOZ |
keep out zone,cargo (item) keep out zone |
| KPI |
Key Performance Indicator |
| KPNO |
Kitt Peak National Observatory |
| KPad |
Kilopascals Differential |
| KQ |
qualification test factor |
| KR |
Kent Ridge |
| KSA |
Keck Single Aperture |
| KSA |
K-Band Single Access |
| KSAT |
Kongsberg Satellite Services |
| KSC |
Kennedy Space Center |
| KSC |
Kennedy Space Center (NASA) |
| KSC |
NASA John F. Kennedy Space Center |
| KTB |
Cretaceous-Tertiary Boundary (from German) |
| KTS |
Kennedy Tracking Station |
| KUS |
Kennedy Uplink Station |
| KUTESat |
Kansas Universities' Technology Evaluation Satellite |
| KYA |
Keel Yoke Assembly (ICC part) |
| Ka |
K-Above frequency band |
| Ka-IPS |
Ka-Band IPS |
| KhSC |
Khrunichev Space Center |
| KhSC |
Khrunichev State Research & Production Space Center |
| Kic |
plane strain critical stress intensity factor |
| Kiscc |
plane strain critical stress intensity factor for a specific environment |
| Kitsat |
Korea Institute of Technology Satellite |
| Ku |
K-Under frequency band |
| Ku-IPS |
Ku-Band IPS |
| Ku-band |
Ku-band subsystem |
| KuIPS |
Ku-Band Internet Protocol Service |
| KuRS |
Ku radar system |
| KuSA |
Ku-Band Single Access |
| L |
Lagrange (as in Lagrange points L1 through L5) |
| L |
launch |
| L |
Luna |
| L |
left |
| L&EO |
Launch and Early Orbit |
| L&M |
IPT Logistics & Maintenance Integrated Product Team |
| L&M |
logistics and maintenance; logistics (supplies) |
| L+6 |
Launch plus 6 |
| L-12 |
Launch minus 12 |
| L-CC |
Lanzarote-Control Center |
| L-Char |
link-character |
| L/V |
launch vehicle |
| L0P |
Level-zero-processor |
| L1 |
LaGrange Point 1 |
| L2 |
LaGrange Point 2 |
| L2 |
Second Sun-Earth Libration, or Lagrange Point |
| L3 |
L-3 Communications Corporation |
| LACB |
Landing Aids Control Building |
| LACE |
Low-Power Atmospheric Compensation Experiment |
| LACIS |
Logiciel Adapte a la Comuunication des Informations Systemes. (Project specific format) |
| LADEE |
Lunar Atmosphere & Dust Environment Explorer |
| LADEE |
Lunar Atmosphere and Dust Environment Explorer |
| LAGEOS |
Laser Geodynamics Satellite |
| LAIMP |
Lunar Anchored Interplanetary Monitoring Platform |
| LAM |
Laser Altimetry Mission |
| LAM |
Liquid Apogee Motor |
| LAN |
Local Area Network |
| LANCE |
Land Atmosphere Near real-time Capability for EOS |
| LANE |
lane field |
| LANL |
Los Alamos National Laboratory |
| LAPAP |
LAPtop APplication Software |
| LARES |
Laser Relativity Satellite |
| LAS |
Launch Abort System |
| LASCO |
Large Angle & Spectrometic Coronagraph |
| LASER |
Light Amplification by Stimulated Emission of Radiation |
| LASER |
Lunar Advanced Science & Exploration Research |
| LASP |
Laboratory for Atmospheric & Space Physics (University of Colorado, Boulder) |
| LAT |
lot acceptance test |
| LAT |
Lunar Architecture Team |
| LATA |
Local Access Transport Area |
| LBB |
Leak-Before-Burst (design) |
| LBB |
leak before burst |
| LBB |
leak-before-burst |
| LBNP |
Lower body negative pressure |
| LBT |
Large Binocular Telescope |
| LBTI |
Large Binocular Telescope Interferometer |
| LBTM |
Layer Bispectral Threshold Method |
| LBV |
Low Bandwidth Video |
| LBW |
laser beam welding |
| LC |
Launch Complex |
| LCA |
Lab cradle assembly |
| LCA |
loop crossover assembly |
| LCAS |
Low-Cost Access to Space |
| LCC |
Life Cycle Cost |
| LCC |
Launch Commit Criteria |
| LCC |
Launch Control Center/Complex |
| LCC |
Launch Control Center (KSC) |
| LCCC |
leadless ceramic chip carrier |
| LCCE |
Life Cycle Cost Estimate |
| LCDA |
launcher coupled dynamic analysis |
| LCDA |
launch vehicle coupled dynamic analysis |
| LCDM |
Landsat Data Continuity Mission |
| LCG |
Liquid-Cooled Garment |
| LCG |
Liquid Cooling Garment |
| LCL |
latching current limiter |
| LCNS |
Lunar Communication and Navigation Systems |
| LCR |
Launch Control Room |
| LCRD |
Laser Communications Relay Demonstration |
| LCROSS |
Lunar Crater Observation & Sensing Satellite |
| LCS |
Lincoln Calibration Sphere |
| LCS |
LEE Control Software |
| LCT |
Lunar Communications Terminal |
| LCT2 |
Low Cost TDRSS Transceiver |
| LCXT |
Low Cost X-Ray Telescope |
| LD |
logistic delay |
| LDA |
launch deploy assembly |
| LDAP |
Lightweight Directory Access Protocol |
| LDAR |
Lightning Detection and Ranging |
| LDCM |
Landsat Data Continuity Mission |
| LDCR |
long-duration crew restraint |
| LDE |
Landing & Descent Element |
| LDEF |
Long Duration Exposure Facility |
| LDEX |
Lunar Dust EXperiment |
| LDFR |
long-duration foot restraint |
| LDM |
Limited Distance Modems |
| LDM |
logistics double module |
| LDPC |
Low Density Parity Check |
| LDPE |
low density polyethylene |
| LDR |
low data rate |
| LDR S-Band |
Low Data Rate S-Band |
| LDREX |
Large-scale Deployable Reflector Experiment Model |
| LDSD |
Low Density Supersonic Decelerators |
| LDT |
Long Duration Test |
| LDU |
linear drive unit |
| LDU |
Linear Drive Unit (MT) |
| LDUT |
large data unit transfer |
| LEC |
Local Exchange Carrier |
| LED |
Light-emitting diode |
| LEDSAT |
LED-based small Satellite |
| LEE |
latching end effector |
| LEED |
Leadership in Energy & Environment Design |
| LEF |
load enhancement factor |
| LEFM |
linear elastic fracture mechanics |
| LEISA |
Linear Etalon Imaging Spectral Array |
| LEM |
Lunar Excursion Module (a.k.a. LM) (Apollo spacecraft) |
| LEMNOS |
Laser-Enhanced Mission Communication Navigation and Operational Services |
| LEMS |
Lower extremity monitoring suit |
| LEO |
Low Earth Orbit |
| LEO Data Svc |
Low Earth Orbit Data Services |
| LEO-T |
Low-Earth Orbiting Terminal |
| LEOP |
launch & early orbit phase |
| LEOP |
launch & early operations phase |
| LEOP |
Launch and Early Orbit Phase |
| LEOPARDSat |
Low Earth Orbit Platform for Aerospace Research & Development CubeSat |
| LES |
Launch Escape System |
| LES |
system,Launch Escape System |
| LES |
Lincoln Experimental Satellite |
| LEST |
Large Earth-based Solar Telescope |
| LET |
linear energy transfer |
| LETF |
Launch Equipment Test Facility |
| LEx |
Lunar Data Exchange Tool |
| LF |
low frequency |
| LFSA |
List of Frequently Seen Acronyms (!) |
| LFSR |
linear feedback shift register |
| LFT |
Lufthansa Flight Training Center |
| LFW |
linear friction welding |
| LGA |
Low Gain Antenna |
| LGM |
Little Green Men |
| LGS |
Landsat-7 Ground Station |
| LH |
Liquid Hydrogen (also LH2 or LHX) |
| LH |
Launch Head |
| LH2 |
Liquid Hydrogen |
| LHC |
left hand circular |
| LHCP |
Left Hand Circular Polarization |
| LHI |
Light Heavy Ion Transport code |
| LHP |
loop heat pipe |
| LI |
List |
| LIC |
laser induced contamination |
| LICIACube |
Light Italian Cubesat for Imaging of Asteroids |
| LID |
laser induced damage |
| LIDOS |
Large Inclination Doppler Only Satellite |
| LIMS |
Logistics Inventory Management System |
| LINK |
Little Intelligent Nanosatellite of KAIST |
| LIPS |
Living Plume Shield |
| LIRA |
Lunar Interferometric Radio Array |
| LIS |
Logistics Information System |
| LIS |
Lead Increment Science |
| LISA |
Laser Interferometer Space Antenna |
| LISN |
line impedance stabilization network |
| LIT |
listen-in test |
| LITE |
Lidar In Space Technology Experiment |
| LITVC |
Liquid Injection Thrust Vector Control |
| LK |
Lunnyi Korabl |
| LL |
Lincoln Laboratory |
| LL |
Low Limit |
| LLC |
Limited Liability Company |
| LLCD |
Lunar Laser Communications Demonstration |
| LLCD |
Lunar Laser Communication Demonstration |
| LLCW |
Lane layer control word |
| LLGT |
Lunar Lasercom Ground Terminal |
| LLIF |
lower layer interface |
| LLIL |
Limited Life Items List |
| LLITED |
Low-Latitude Ionosphere/Thermosphere Enhancements in Density |
| LLNL |
Lawrence-Livermore National Laboratory |
| LLNL |
Lawrence Livermore National Laboratory |
| LLO |
Low Lunar Orbit |
| LLOC |
Lunar Lasercom Operations Center |
| LLOWG |
Launch & Landing Operations Working Group |
| LLST |
Lunar Lasercom Space Terminal |
| LLV |
Lockheed Launch Vehicle |
| LM |
Lockheed Martin |
| LM |
Lunar Module (a.k.a. LEM) (Apollo spacecraft) |
| LM |
Lunar Module |
| LMC |
Large Magellanic Cloud |
| LMC |
Link Monitor and Control |
| LMI |
Local Management Interface |
| LMI |
Lockheed Martin Intersputnik |
| LMP |
Link Monitor Processor |
| LMPC |
Linear Mode Photon-counting CubeSat |
| LMRSTSat |
Low Mass Radio Science Transponder Satellite |
| LMS |
Life and Microgravity Science |
| LMS |
Lightweight MPESS Carrier |
| LMX |
Les Mureaux |
| LMX-ESC |
ATV Engineering Support Centre at Les Mureaux |
| LN2 |
Liquid N2 (Nitrogen) |
| LNA |
low noise amplifier |
| LNT |
linear no-threshold |
| LO |
Lunar Orbiter |
| LO |
LUSAT Oscar |
| LO2 |
Liquid Oxygen |
| LOAC |
Loss of Attitude Control |
| LOADS |
Low Altitude Density Satellite |
| LOC |
Loss of Crew |
| LOC |
Lines of Code |
| LOCOS |
local oxidation of silicon |
| LOE |
Level-of-Effort |
| LOF |
Local Oscillator Frequency |
| LOF |
Local Orbital Frame |
| LOFTI |
Low Frequency Trans Ionospheric Satellite |
| LOFTID |
Low Earth Orbit Flight Test of an Inflatable Decelerator |
| LOGACS |
Low Gravity Accelerometer Calibration System |
| LOGOS |
Lights Out Ground Operations System |
| LOI |
Lunar Orbit Insertion |
| LOK |
Lunnyi Orbitalnyi Korabl |
| LOM |
Loss of Mission |
| LON |
Launch on Need |
| LOOV |
Liquid On-Off Valves |
| LOP |
Lead Operations Planner |
| LOP |
Local Operating Procedures |
| LOP-G |
Lunar Orbital Platform Gateway |
| LOR |
Lunar Orbit Relay |
| LOR |
Line Outage Recorder |
| LORI |
Large ORU Robotics Interface |
| LOS |
Line of Sight |
| LOS |
Loss Of Signal |
| LOST_SIGNAL |
lost signal control word |
| LOX |
Liquid OXygen |
| LP |
Low Pass (filter) |
| LP |
Lesson Plan |
| LP |
Lunar Prospector |
| LPC |
low power command |
| LPC-P |
low power command, pulsed |
| LPC-S |
low power command, static |
| LPGF |
Low Profile Grapple Fixture |
| LPGS |
Landsat Product Generation System |
| LPM |
lumped parameter method |
| LPO |
La Palma Observatory |
| LPRC |
Logistics Platform/Rack/Container |
| LPS |
liquid propulsion system |
| LPS |
Landsat-7 Processing System |
| LPS |
Launch Processing System |
| LPT |
Low-Power Transceiver |
| LPU |
Life Preserver Unit |
| LPV |
Long Period Variable |
| LPW |
Lunamuir Probe & Waves |
| LQ |
limiting quality |
| LQP |
Lunar Quest Program |
| LR |
Lunar Rendezvous |
| LR |
Lunar Relay |
| LRB |
Liquid Rocket Booster |
| LRC |
Langley Research Center |
| LRD |
Launch Readiness Date |
| LRDL |
low rate data link |
| LRE |
Laser Ranging Equipment |
| LRITCS |
Leak Recovery for ITCS |
| LRO |
Lunar Reconnaissance Orbiter |
| LRP |
Long Range Planner |
| LRP |
Long-Range Planner |
| LRR |
Launch Readiness Review |
| LRS |
Lunar Relay Satellite |
| LRS |
Laser Ranging Station |
| LRU |
Line Replaceable Unit |
| LS |
LAN Server |
| LSA |
Logistic Support Application |
| LSAH |
Lifetime Surveillance of Astronaut Health |
| LSAM |
Lunar Surface Access Module |
| LSAR |
Logistics Support Analysis Record |
| LSB |
least-significant bit |
| LSB |
least significant bit |
| LSB |
less significant bit |
| LSDS |
Life Sciences Data System |
| LSE |
Laboratory Support Equipment |
| LSFEP |
Life Sciences Flight Experiments Program |
| LSG |
life sciences glove box |
| LSI |
Large Space Integrator |
| LSIM |
Local Simulation |
| LSM |
Life Support Module |
| LSO |
Landing Support Officer |
| LSOS |
Limited Station Operations Support |
| LSP |
Launch Services Program |
| LSR |
Life Support Rack (ACLS) |
| LSR |
Local Standard of Rest |
| LSRP |
Life Science Research Protocol |
| LSRR |
Logistic Support Readiness Review |
| LSS |
life support system |
| LSSO |
List of Safety Significant Operations |
| LST |
Landing Support Test |
| LST |
Logistics Support Team |
| LSYS |
Lab Systems |
| LT |
laptop |
| LTA |
leg shell,lower torso assembly |
| LTA |
Lunar Module Test Article |
| LTG; Ltg |
lighting |
| LTI |
linear time invariant |
| LTL |
low-temperature loop |
| LTO |
LTO NOx subsonic |
| LTP |
Lunar Transient Phenomenon |
| LTRB |
low-temperature reverse bias |
| LTU |
load transfer unit |
| LU |
latch up |
| LUTE |
Lunar Ultraviolet Telescope Experiment |
| LV |
Latch Valve,isolation latch valve (ATV propulsion system manifold isolation valves) |
| LV |
vehicle,launch vehicle |
| LV |
valve,latch valve,isolation latch valve (ATV propulsion system manifold isolation valves) |
| LV |
Launch Vehicle |
| LV-HPC |
low voltage high power command |
| LV; L/V |
launch vehicle; booster |
| LVA |
Launch Vehicle Adapter |
| LVC |
Live, Virtual, Constructive |
| LVCMOS |
low voltage complementary metal oxide semiconductor |
| LVD |
low voltage directive |
| LVDC |
Launch Vehicle Data Center |
| LVDS |
low voltage differential signalling |
| LVDT |
linear voltage displacement transducer |
| LVIS |
Limited Voice Intercommunications System |
| LVLH |
local-vertical–local-horizontal |
| LVPECL |
low voltage positive emitter coupled logic |
| LVS |
layout vs. schematic check |
| LVSA |
Launch Vehicle Stage Adapter |
| LVT |
lot validation testing |
| LVTTL |
low voltage transistor – transistor logic |
| LVTTL |
low voltage transistor-transistor logic |
| LWIR |
long-wavelength infrared |
| LWS |
Living with a Star |
| LWS |
Lightweight Seat |
| LWTA |
Light Weight Tool Stowage Assemblies (LWTSA) |
| LZP |
Level Zero Processing |
| LZPF |
Level Zero Processing Facility |
| LZPS |
Level Zero Processing System |
| LZW |
Lempel-Ziv-Welch |
| LaRC |
Langley Research Center |
| LaRC |
NASA Langley Research Center |
| LaRC |
Langley Research Center (NASA) |
| LaTuR |
Langmuir Turbulence Rocket |
| Lab |
Laboratory |
| Lab |
laboratory module |
| Lat |
latch |
| LcPSO |
Land cover Project Science Office |
| LeRC |
Lewis Research Center (NASA now GRC) |
| LeRC |
Lewis Research Center (see also: Glenn Research Center) |
| LeRC |
Lewis Research Center |
| Len |
length |
| Lgth,L |
length |
| LiCl |
Lithium Chloride (volume marker) |
| LiDAR |
Light Detection & Ranging |
| LiOH |
Lithium hydroxide |
| Lim |
limit |
| LoB |
Lines of Business |
| LoL |
Limit of Liability |
| Loc |
location |
| Losat-X |
Low Altitude Satellite Experiment |
| M |
Messier (as in M31, M13, M57, etc.) |
| M&C |
Monitor & Control |
| M&O |
Maintenance & Operations |
| M&O |
Mission Operations |
| M&O |
Maintenance and Operations |
| M&P |
Materials & Processes |
| M&S |
Modeling & Simulation |
| M-PSK |
M-ary Phase Shift Keying |
| M/IIS |
Mission / Increment Integration Service |
| M2A |
Multimedia Asia |
| M2TE |
MPCC Testing & Training Environment |
| M3 |
Moon Mineralogy Mapper |
| MA |
Milliamps |
| MA |
Multiple Access |
| MA |
main arm |
| MA |
Mercury Atlas |
| MA |
Main Arm (JEMRMS) |
| MA/ITP |
Multilateral Advanced & Increment Training Plan |
| MABES |
Magnetic Bearing Flywheel Experimental Satellite |
| MAC |
modal assurance criterion |
| MACPEX |
Mid-latitude Airborne Cirrus Properties Experiment |
| MACRO |
Monopoles, Astrophysics, & Cosmic Ray Observatory |
| MACS |
Mission and Computing Support |
| MACSAT |
Multiple Access Communication Satellite |
| MACSAT |
Medium-sized Aperture Camera Satellite |
| MAD |
Madrid Ground Network call sign |
| MAF |
Michoud Assembly Facility |
| MAF |
Michoud Assembly Facility (NASA, managed by MSFC) |
| MAF |
Multiple Access Forward |
| MAGIK |
Manipulator Analisis Graphic Interactive Kinematics |
| MAGR |
Miniaturized Airborne GPS Receiver |
| MAH |
model of the high atmosphere |
| MAIA |
Mission Analysis & Integrated Assessments |
| MAIT |
manufacturing, assembly, integration & test |
| MAL |
Master Alarm Light |
| MALTED |
Mesospheric & lower Thermospheric Equatorial Dynamics |
| MAM |
Manual Augmented Mode |
| MAMS |
microgravity acceleration measurement system |
| MAO |
Monoamine-oxidase |
| MAP |
Microwave Anisotrophy Probe |
| MAPS |
Master Analysis Plan & Schedule |
| MAPS |
Measurement of Air Pollution from Satellites |
| MAPTIS |
Materials & Processes Technical Information System |
| MAQSat |
Maquette Satellite |
| MAR |
mission analysis report |
| MAR |
Mission Action Request (CHIT) |
| MAR |
Middeck Accommodation Rack |
| MAR |
Mission Analysis Room |
| MAR |
Mission Assurance Requirement |
| MAR |
Multiple Access Return |
| MARC |
Maintainability Availability & Reliability Calculation (Tool) |
| MARD |
Management Requirements Document |
| MARECS |
Maritime European Communication Satellite |
| MARES |
Muscle Atrophy Research & Exercise System |
| MARES |
Muscle Atrophy Research Exercise |
| MARES |
Muscle Atrophy Research and Exercise System |
| MARIO |
Measurement of Actuator Response & Impedance on Orbit |
| MARS |
Microgravity Advanced Research & Support Center |
| MARS |
Microgravity Applications Recoverable Satellite |
| MARSIS |
Mars Advanced Radar for Subsurface and Ionospheric Sounding |
| MART |
Multilateral Anomaly Response Team |
| MAS |
manual air supply |
| MAS |
microbial air sampler |
| MAS |
Maliy Avtonomiy Sputnik |
| MAS |
Message Acquisition System |
| MASCB |
Multilateral Avionics & Software Control Board |
| MAST |
Multi-Application Survivable Tether |
| MASTER |
meteoroid & space debris terrestrial environment reference model |
| MAT |
Medical assessment test |
| MATE |
Modular Automated Test Equipment |
| MATE |
multiplexer/demultiplexer application test equipment |
| MATS |
MMesospheric Airglow/Aerosol Tomography & Spectroscopy |
| MAV |
Mars Assent Vehicle |
| MAVEN |
Mars Atmosphere and Volatile EvolutioN |
| MAVEN |
Mars Atmosphere & Volatile EvolutioN |
| MB |
mission build |
| MB |
Manned Base |
| MBD |
Oultimission Bus Demonstration |
| MBF |
mission build facility |
| MBK |
Medications & Bandages Kit |
| MBOP |
Multilateral BME Operations Panel |
| MBR |
Microwave Background Radiation |
| MBRSC |
Mohammed Bin Rashid Space Center (UAE) |
| MBRV |
Maneuverable Ballistic Reentry Vehicle |
| MBS |
Mobile servicer Base System (MSS) |
| MBS |
mobile remote servicer base system |
| MBSAT |
Mobile Broadcasting Satellite |
| MBSE |
Model-Based System Engineering |
| MBSU |
main bus switching unit |
| MBq |
Mega Becquerel |
| MC |
Magnetospheric Constellation |
| MCAS |
MBS Common Attach System |
| MCAS |
MBS common attachment system |
| MCB |
Multilateral Control Board |
| MCB |
Mission Control Board |
| MCC |
Mission Control Center |
| MCC-H |
Mission Control Center-Houston |
| MCC-H |
Mission Control Center Houston |
| MCC-M |
Mission Control Center-Moscow |
| MCC-M |
Mission Control Centre Moscow |
| MCC-M |
Mission Control Center – Moscow |
| MCC-X |
Mission Control Center SpaceX (in Hawthorne) |
| MCCB |
Mission Coordination Control Board |
| MCCS |
Misson Control Centre Software |
| MCD |
Maximum-likelihood Convolutional Decoder |
| MCD |
Minimum Cost Design |
| MCEIE |
Mission Critical External Interface Environment |
| MCF |
modal confidence factor |
| MCFTM |
multiplier,microconical fitting torque m. |
| MCG |
Mojave Coordinating Group |
| MCG |
Motion Control Group |
| MCGA |
multichip column grid array |
| MCHL |
master component heat load |
| MCI |
mass, CoM & inertia |
| MCI |
mass, centre of mass, inertia |
| MCNP |
Monte Carlo N-Particle Transport Code |
| MCNPX |
Monte Carlo N-Particle Extended Transport Code |
| MCO |
Mars Climate Orbiter |
| MCOP |
Multilateral Crew Operations Panel |
| MCOR |
Medium-Rate Communications Outage Recorder |
| MCP |
microchannel plate |
| MCR |
Mission Concept Review |
| MCS |
Mission Control System |
| MCS |
Monitoring & Control Subsystem |
| MCS |
Monitoring Control System |
| MCS |
Motion Control System |
| MCS |
Monitoring & Control System |
| MCS |
Mission Control Software |
| MCT |
mercury cadmium telluride |
| MCT |
mercury cadmium telluride IR detector |
| MCU |
MBS computer unit |
| MCV |
Medical College of Virginia |
| MD |
Mission Directorate |
| MDA |
Metric Data Assembly |
| MDA |
Mission Database Application |
| MDB |
Mission Data Base |
| MDBD |
MDB Data |
| MDC |
Maintenance Data Collection |
| MDD |
mechanism design description |
| MDD |
mission description document |
| MDD |
mission definition document |
| MDE |
Model Development Environment (obsolete) |
| MDEALS |
Multilateral Data Exchange Agreement List & Schedule |
| MDF |
Manipulator Development Facility |
| MDG |
Medical Disposition Group |
| MDL |
Microgravity Development Laboratory |
| MDL |
middeck locker |
| MDL |
Mission Data Load (CST-100) |
| MDM |
Multiplexer/De-Multiplexer (or Mission Data Manager) |
| MDM |
multiplexer demultiplexer |
| MDM |
Multiplexer/Demultiplexer |
| MDM |
Modulator/Demodulator |
| MDM |
multiplexer-demultiplexer |
| MDOF |
multiple degree of freedom |
| MDP |
maximum design pressure |
| MDPS |
Micrometeoroids & Debris Protection System |
| MDPS |
Meteoroids & Debris Protective Shield |
| MDR |
Mission Definition Review |
| MDR |
Medium Data Rate |
| MDRF |
Mission Data Request Form |
| MDRS |
Mars Dessert Research Station |
| MDS |
Mission Demonstration Satellite |
| MDSA |
Multi-sensor Data Synergy Advisor |
| MDSC |
Mission Data Storage Consolidation |
| MDSCC |
Madrid Deep Space Communications Complex |
| MDT |
MSX Dedicated Target |
| ME |
Memory Effect |
| MEA |
Moon exclusion angle |
| MEASAT |
Malaysia East Asia Satellite |
| MEC |
medical equipment computer |
| MECO |
Main Engine CutOff |
| MED |
Manual Entry Device |
| MEDEVAC |
Medical Evacuation |
| MEDLI |
Mars Science Laboratory Entry, Descent, & Landing Instrument |
| MEDOP |
Medical Extended Duration Orbiter Pack |
| MEF |
Monitoring Enabling Flag |
| MEI |
Mission Essential Infrastructure |
| MEIT |
Multi-Element Integration Test |
| MEJI |
Mars Exploration Joint Initiative |
| MEK |
methyl ethyl ketone |
| MEK |
methyl ethyl keton |
| MEL |
Master Equipment List |
| MEL |
Mass Estimate at Launch |
| MELF |
metal electrode face bonded |
| MELFI |
minus eighty degree laboratory freezer for ISS |
| MEMS |
micro-electromechanical structure |
| MEMS |
micro-electromechanical system(s) |
| MEO |
medium Earth orbit |
| MEOP |
maximum expected operating pressure |
| MEP |
Multi Element Procedure |
| MEP |
Mars Exploration Program |
| MEP |
Management Education Program |
| MEPS |
Microencapsulation Electrostatic Processing System |
| MEPSI |
MEMS-based PICOSAT Inspector |
| MER |
Mars Exploration Rover |
| MER |
Mission Evaluation Room |
| MER |
Maximum Error Rate |
| MERIS |
Medium Resolution Imaging Spectrometer |
| MERLIN |
Methane Remote Sensing Lidar Mission |
| MEROPE |
Montana Earth Orbiting Pico-Explorer |
| MES |
Modified GAS Ejection System |
| MESA |
miniature electrostatic accelerometer |
| MESSENGER |
Mercury Surface, Space Environment, Geochemistry & Ranging |
| MESSENGER |
MErcury Surface, Space ENvironment, GEochemistry, and Ranging |
| MESUR |
Mars Environmental Survey |
| MET |
mission elapsed time |
| MET |
Marshall engineering thermosphere model |
| METEOR |
Multiple Experiment Transport to Earth Orbit & Return |
| METEORS |
Mesosphere - Thermosphere Emissions for Ozone Remote Sensing |
| METERON |
Multi-Purpose End-To-End Robotic Operation Network |
| METI |
Ministry of Economy Trade & Industry (Japan) |
| METOP |
Meteorological Operational Satellite |
| METSAT |
Meteorological Satellite |
| MEV |
Mission Extension Vehicle |
| MEX |
Mars Express |
| MEaSUREs |
Making Earth System data records for Use in Research Environments |
| MF |
multifiltration |
| MF |
Multi-frequency |
| MFC |
Microgravity Facilities for Columbus |
| MFDB |
Mission Flight Database |
| MFR |
Multifunction Receiver |
| MFU |
multifiltration unit |
| MGA |
Mass Growth Allowance |
| MGA |
Medium Gain Antenna |
| MGM |
Mars Global Mapper |
| MGMT |
Management |
| MGR |
Manager |
| MGS |
Mars Global Surveyor |
| MGS |
McMurdo Ground Station |
| MGSE |
mechanical ground support equipment |
| MGSO |
Multi-mission Ground Systems Office |
| MGT |
management file |
| MHD |
MagnetoHydroDynamic |
| MHI |
Mitsubishi Heavy Industries, Ltd. |
| MHSEALS |
Multilateral Hardware & Software Exchange Agreements, Lists, & Schedules |
| MHz |
megahertz |
| MI |
Magnetospheric Imaging |
| MI |
Minority serving Institutions |
| MI&U |
Mission Integration & Utilization |
| MIA |
Multiplexer Interface Adapter |
| MIA |
Mission Integration Assessment |
| MIB |
Mishap Investigation Board |
| MIC |
materials identification card |
| MICAP |
Monte Carlo Ionization Chamber Analysis Package |
| MICD |
mechanical interface control document |
| MICINN |
Spanish Space Agency |
| MICROSCOPE |
Microsatellite à traînée Compensée pour l'Observation du Principe d'Equivalence |
| MIDAS |
Military Defense Alarm System |
| MIDEX |
Medium-Class Explorer |
| MIDEX |
Mid-Sized Explorer |
| MIDEX |
Medium Class Explorer |
| MIF |
mode indicator function |
| MIG |
metal inert gas (welding) |
| MIG |
metal inert gas |
| MIIS |
Mission / Increment Integration Service Manager |
| MIL |
(spec) specification of the US Department of Defense |
| MIL-DTL |
military detail specification |
| MIL-PRF |
military performance specification |
| MIL-STD |
military standard |
| MIL-STD |
United States military standard |
| MILA |
Merritt Island Launch Annex and call sign |
| MIM |
multi-increment manifest |
| MIM |
Maliy Issledovatel'ny Modul' |
| MIM |
Multi Increment Manifest |
| MIMO |
multiple-input–multiple-output |
| MIMOSA |
Micro Measurements Of Satellite Acceleration |
| MIMT |
Multi-Increment Management Team |
| MIOCB |
Mission Integration & Operations Control Board |
| MIP |
mission integration plan |
| MIRAX |
Monitor e Imageador de Raios-X |
| MIRCA |
Micro Reentry Capsule |
| MIRI |
Mid-infrared Instrument (James Webb Space Telescope instrument) |
| MIRKA |
Mikro-Rückkehrkapsel |
| MIS |
Management Information System |
| MIS |
Mission Information System |
| MISR |
Multi-angle Imaging SpectroRadiometer |
| MISSE |
Materials International Space Station Experiment |
| MISSE |
Materials ISS Experiment |
| MISSE-X |
Materials International Space Station Experiment-X |
| MIT |
Massachusetts Institute of Technology |
| MIT LL |
MIT Lincoln Laboratory |
| MITA |
Mini-Satellite Italiano a Tecnologia Avanzata |
| MITAC |
Medical Informatics & Technology Application Center |
| MITP |
multilateral increment training plan |
| MIUP |
Multi-Increment Utilisation Plan |
| MIV |
Manual Isolation Valve |
| MIVR |
Mission Integration & Verification Review |
| MKE |
mean knowledge error |
| ML |
Monitoring Limits |
| MLAR |
multi-layer anti-reflection coating |
| MLC |
Master List Custodian |
| MLCD |
Mars Laser Communications Demonstrator |
| MLE |
middeck locker equivalent |
| MLI |
Multi-Layer Insulation |
| MLM |
Multipurpose Laboratory Module / Mnogozelewoi Laboratorny Modul |
| MLM-U |
Multipurpose Laboratory Module - Usovershenstvovanny / Mnogozelewoi Laboratorny Modul - Upgrade |
| MLP |
Monthly Look-ahead Plan |
| MLS |
Microwave Limb Sounder |
| MLS |
Microwave Landing System |
| MLT |
magnetic local time |
| MLU |
Module Lighting Unit |
| MM |
Milimeter |
| MM |
machine model |
| MM/OD |
micrometeoroid/orbital debris |
| MMC |
Mission Management Computer |
| MMC |
Mathematics Modeling Center |
| MMCC |
metal monolith catalytic converter |
| MMD |
Mass Measurement Device |
| MMDB |
Mission Model Data Base |
| MME |
mean measurement error |
| MMEEV |
Multi-Mission Earth Entry Vehicle |
| MMF |
Multi-Mode Fibre |
| MMH |
MonoMethyl Hydrazine |
| MMH |
Medical Monitoring Harness |
| MMI |
Mission Management and Integration (CCP office) |
| MMI |
man-machine interface |
| MMIC |
microwave monolithic integrated circuit |
| MMIC |
monolithic microwave integrated circuit |
| MMIF |
multi-variate MIF |
| MMM |
Mission Management Meetings |
| MMMT |
Multilateral Medical Management Team |
| MMO |
Mars Mission Operations |
| MMOD |
Micrometeoroid / Orbital Debris |
| MMOP |
Multilateral Medical Operations Panel |
| MMOWG |
Multilateral Medical Operations Working Group |
| MMPB |
Multilateral Medical Policy Board |
| MMPDS |
Metallic Materials Properties Development & Standardisation |
| MMPDS |
metallic materials properties development & standardization |
| MMPP |
Materials, mechanical parts & processes |
| MMS |
Magnetospheric Multiscale |
| MMS |
Magnetospheric Multiscale Satellite |
| MMS |
Multi-mission Modular Spacecraft |
| MMSEV |
Multi-Mission Space Exploration Vehicle |
| MMSF |
Modified Micro Square Fixture (SPDA) |
| MMT |
Multiple Mirror Telescope |
| MMT |
Mission Management Team |
| MMTE |
Mission Management & Timeline Execution |
| MMU |
Mass Memory Unit |
| MMU |
Manned Maneuvering Unit |
| MMWS |
workstation,modular MWS |
| MNRAS |
Monthly Notices of the Royal Astronomical Society |
| MNTV |
Mercury Network Test Vehicle |
| MO |
Mission Operations |
| MO |
Malaysian Oscar |
| MO |
Mexican Oscar |
| MO |
Mars Observer |
| MO |
Missions of Opportunity |
| MO |
Mars Orbiter |
| MO&DSD |
Mission Operations & Data Systems Directorate |
| MO&U |
CB Multilateral Operations & Utilization Control Board |
| MOA |
Memorandum Of Agreement |
| MOAS |
Multi-Media Operations Archive Subsystem – obsolete / part of INFRA |
| MOB |
mission objective baseline |
| MOC |
Mission Operations Center/Complex |
| MOC |
Mars Observer Camera (on MO & MGS) |
| MOCB |
Mission Operations Control Board |
| MOCD |
mission operations concept document |
| MOCS |
Model Observation & Control System (obsolete) |
| MOCS |
Mission Operations and Communications System |
| MOD |
mission operations directorate |
| MOD |
Mission Operations Director |
| MODIS |
Moderate Resolution Imaging Spectroradiometer |
| MODNET |
MO&DSD Operational/Development Network |
| MOE |
Mission Operations Element |
| MOE |
Measures of Effectiveness |
| MOE |
Mission Operations Environment |
| MOI |
moment of inertia |
| MOIC |
Mission Operations Implementation Concept |
| MOIIP |
Mission Operations Integration Implementation Plan |
| MOIM |
Mission Operations Integration Management |
| MOIMS |
Mission Operational and Information Management Services |
| MOIO |
Mission Operations Integration Office |
| MOIP |
Mission Operations Implementation Plan |
| MOL |
Manned Orbiting Laboratory |
| MOL |
Manned Orbital Laboratory |
| MOL |
Mission Operations Laboratory |
| MOL-HSQ |
Manned Orbital Laboratory - Heat Shield Qualification Test |
| MOLA |
Mars Observer Laser Altimeter (on Mars Observer) |
| MOMS |
Mission Operations and Mission Services |
| MOMV |
Manned Orbital Maneuvering Vehicle |
| MON |
Monitoring |
| MOP |
Meteosat Operational Programme |
| MOPITT |
Measurement of Pollution in the Troposphere |
| MOPITT |
Measurements of Pollution in the Troposphere |
| MOPSS |
Mission Operations Planning and Scheduling System |
| MOR |
Mission Operations Room |
| MORSE |
Multigroup Oak Ridge Stochastic Experiment - coupled neutron-g-ray Monte Carlo radiation transport code |
| MOS |
Mission Operations Services (DLR ops contract) |
| MOS |
Mission Operation Service |
| MOS |
Marine Observation Satellite |
| MOS |
Mission Operations Summary |
| MOSA |
Mission Ops Support Area |
| MOSFET |
metal oxide semiconductor field effect transistor |
| MOSO |
Multi-mission Operations Support Office |
| MOSS |
Multimedia Operations Support Subsystem |
| MOST |
Microvariability & Oscillation of Stars |
| MOTS |
modified off-the-shelf |
| MOTV |
Manned Orbital Transfer Vehicle |
| MOU |
Memorandum of Understanding |
| MOVE |
Mission Operations Voice Enhancement |
| MOVE |
Mission Operations Voice Enhancement\ |
| MP |
Mass Properties |
| MPAR |
Major Program Annual Report |
| MPC |
Minor Planets Circular |
| MPCB |
materials & processes control board |
| MPCB |
material & processes control board |
| MPCB |
Material, Mechanical Parts & Processes Control Board |
| MPCC |
Multi-Purpose Communication Computer |
| MPCV |
Multipurpose Crew Vehicle |
| MPCV |
Multi-Purpose Crew Vehicle |
| MPCV-ESM |
Multi-Purpose Crew Vehicle European Service Module |
| MPD |
magneto-plasma-dynamic thruster |
| MPDL |
mechanical pump driven loop |
| MPE |
mean performance error |
| MPEC |
Minor Planets Electronic Circular |
| MPEG |
Moving Picture Experts Group |
| MPEP |
Multi-Purpose Experiment Platform (JEM AL,RMS) |
| MPESS |
Multi-Purpose Equipment Support Structure |
| MPEV |
Manual Pressure Equalization Valve |
| MPF |
Mars Pathfinder |
| MPIM |
Multi-Program Integrated Milestones |
| MPL |
Mars Polar Lander |
| MPLM |
Mini Pressurized Logistics Module |
| MPLM |
Multi-Purpose Pressurised Logistics Module |
| MPLM |
multipurpose logistics module |
| MPLM |
Multipurpose Logistic Module or Mini-Pressurized Logistic Module) |
| MPLS |
Multi protocol label switching |
| MPM |
Manipulator Positioning Mechanism |
| MPM |
Multi Purpose Module |
| MPMI |
Multi-Increment Payload Mission Integration |
| MPOA |
Multi-Protocol over ATM |
| MPOE |
Multipurpose Outfitting Equipment |
| MPP |
Milestone Payment Plan |
| MPPF |
Multi-Payload Processing Facility |
| MPPT |
maximum power point tracker |
| MPR |
Manual Pulmonary Resuscitator |
| MPS |
Mission Preparation Software |
| MPSD |
Multi-Purpose Support Drive |
| MPSR |
Multi-Purpose Support Room |
| MPTP |
Multilateral Payload Training Panel |
| MPV |
manual procedure viewer |
| MPW |
magnetic pulse welding |
| MPa |
Megapascal |
| MR |
Monitoring Result |
| MR |
Mars Relay |
| MR |
Mercury Redstone |
| MR-BD |
Mercury Redstone - Booster Development |
| MRAD/HR |
Millirad per hour |
| MRB |
Material Review Board |
| MRB |
Microgravity Rack Barrier |
| MRCAR |
Middeck Requirements Change Assessment Report |
| MRD |
Mission Requirements Document |
| MRD |
Microgravity Research Division |
| MRDL |
medium rate data link |
| MRDL |
Medium Rate Data Line |
| MRE |
measurement reproducibility error |
| MRF |
Maintenance & Repair Facility |
| MRF |
mechanical reference frame |
| MRG |
Maintenance & Repair Group |
| MRHWG |
Multilateral Radiation Health Working Group |
| MRI |
Magnetic Resonance Imaging |
| MRID |
Medical Requirements Implementation Doc. |
| MRK |
MSMK Re-supply Kit |
| MRL |
Manipulator Retention Latch |
| MRM |
Mini Research Module |
| MRM1 |
Mini Research Module No. 1 |
| MRMDF |
Multi-use Remote Manipulator Development Facility |
| MRO |
Mars Reconnaissance Orbiter |
| MRO |
MSS Robotics Operator |
| MRR |
Mission Readiness Review |
| MRR |
Mission Requirement Request |
| MRSR |
Mars Rover & Sample Return |
| MRSRM |
Mars Rover & Sample Return Mission |
| MRT |
mission readiness tests |
| MRT |
Mission Readiness Test |
| MS |
Mercury Scout |
| MS |
Monitoring Status |
| MS/S |
mega symbols per second |
| MSA |
MUREP Small Activities |
| MSAM |
Mars Surface Access Module |
| MSB |
most-significant bit |
| MSB |
most significant bit |
| MSBLS |
Microwave Scanning Beam Landing System |
| MSC |
mobile servicing center |
| MSD |
Mission Support Directorate |
| MSD |
mass storage device |
| MSD |
Multi Satellite Dispenser |
| MSE |
Mission Support Environment |
| MSET |
Multilateral Sustaining Engineering Team |
| MSFC |
Marshall Space Flight Centre |
| MSFC |
NASA George C. Marshall Space Flight Center |
| MSFC |
Marshall Space Flight Center |
| MSFN |
Manned Space Flight Network |
| MSG |
Meteosat Second Generation |
| MSG |
Microgravity Science Glovebox |
| MSID |
Measurement & Stimulus Identification |
| MSIS |
mass spectrometer & incoherent scatter |
| MSL |
materials science laboratory |
| MSL |
Material Science Laboratory |
| MSL |
Mission Support LAN |
| MSL |
Mars Science Laboratory |
| MSL-EML |
Material Science Laboratory – Electromagnetic Levitator |
| MSLS |
Multiservice Launch Systems (Minuteman II) |
| MSM |
Monthly Status Meeting |
| MSM |
Manned Spaceflight & Microgravity |
| MSM |
Mission and Science Measurement Technology |
| MSM |
Manned Spaceflight & Micro-Gravity |
| MSM-GS |
MSM Ground Segment |
| MSMB |
Multilateral Space Medicine Board |
| MSMK |
Mir Supplemental Medical Kit |
| MSNA |
Muscle Sympathetic Nerve Activity |
| MSO |
Mission Science Office |
| MSO |
Mars Science Orbiter |
| MSOC |
Mission Support Operations Contract |
| MSOCC |
Multi-Satellite Operations Control Center |
| MSP |
Manned Space Program |
| MSPE |
metallic special pressurized equipment |
| MSR |
Mars sample return |
| MSR |
Mission Support Room |
| MSR |
Mission Support Request |
| MSR |
Monthly Status Reviews |
| MSRD |
Module Systems Requirements Document |
| MSRE |
Mir Sample Return Experiment |
| MSRF |
materials science research facility |
| MSRR |
Medilog Sleep Research Recorder |
| MSRR |
materials science research rack |
| MSS |
Magnetospheric MultiScale |
| MSS |
mobile servicing system |
| MSS |
Mass Storage System |
| MSSTA |
Multispectral Solar Telescope Array |
| MST |
modal survey test |
| MSTI |
Miniature Sensor Technology Integration |
| MSTO |
Mars Science and Telecommunications Orbiter |
| MSU |
Monitoring & Safing Unit (CAM system) |
| MSV |
MPLM Support Vehicle |
| MSVP |
safety critical mechanisms verification plan |
| MSVR |
safety critical mechanisms verification report |
| MSX |
Midcourse Space Experiment |
| MSat |
Mobile Communication Satellite |
| MT |
mobile transporter |
| MT-Sat |
Multifunctional Transport Satellite |
| MT2E |
MPCC Test & Training Environment |
| MTA |
milestone trend analysis |
| MTBF |
Mean Time Between Failure |
| MTBF |
Mean Time Between Failures |
| MTBO |
mean time between outages |
| MTC |
Man Tended Capability |
| MTCL |
MT capture latch |
| MTCube |
Memory Test CubeSat |
| MTE |
Monitoring Table Entry |
| MTE |
MPCC Training Enhancement |
| MTI |
Multispectral Thermal Imager |
| MTL |
Master Timeline |
| MTL |
moderate-temperate loop |
| MTLO |
Moscow Technical Liaison Office |
| MTO |
Mars Telecommunications Orbiter |
| MTO |
metal turnover |
| MTP |
Meteosat Transition Programme |
| MTPE |
Mission to Planet Earth |
| MTRS |
McMurdo TDRSS Relay System |
| MTS |
Meteoroid Technology Satellite |
| MTSAS |
module truss structures attachment system |
| MTTF |
mean time to failure |
| MTTFF |
mean time to first failure |
| MTTO |
mean time to outage |
| MTTR |
Mean Time to Repair |
| MTTR |
Max Time To Repair |
| MTV |
Mars Transfer Vehicle |
| MUA |
Material Use Agreement |
| MUA |
Material Usage Agreement |
| MUBLCOM |
Multiple Path Beyond Line of Sight Communication |
| MUE |
MDM Utility Extension |
| MULASSIS |
Multi-Layered Shielding Simulation Software |
| MUM |
mechanism user manual |
| MUREP |
Minority University Research & Education Project |
| MUSC |
Microgravity User Support Center |
| MUSS |
Multi-User Systems & Support |
| MUST |
Motivating Undergraduates in Science & Technology |
| MUT |
mean up time |
| MUT |
tether,multi-use t. |
| MV |
Maneuvering Vehicle |
| MVC |
Maximal voluntary contraction |
| MVCB |
Multi-Lateral Vehicle Control Board |
| MVD |
Mirrored Vital data |
| MVDB |
Master Verification Data Base |
| MVDS (or VIDS) |
Mission Video Distribution System |
| MVM |
Mission & Vehicle management |
| MWF |
Must Work Function |
| MWG |
Manifest Working Group |
| MWIR |
medium-wavelength infrared |
| MWL |
Microwave Link (ACES) |
| MWL GT |
Microwave Link Ground Terminal (ACES) |
| MWR |
Microwave Radiometer |
| MWS |
workstation,mini-workstation |
| MWt |
molecular weight |
| MaRS |
Metrics and Reporting Study |
| MaSat |
Magyar Satellite |
| MagEIS |
Magnetic Electron Ion Spectrometer instruments |
| Magic |
Magnetospheric Interkosmos |
| Magsat |
Magnetic Field Satellite |
| Maj |
major |
| Mal |
malfunction |
| Man |
manual |
| MarCO |
Mars Cube One |
| Marisat |
Maritime Satellite |
| Mat |
matrix |
| Mb/s |
Megabits per second |
| Mbps |
Megabits per second |
| Meas |
measurement |
| Mech |
mechanical |
| Med C/L |
medical checklist |
| MegSat |
Meggiorin Satellite |
| Meteosat |
Meteorological Satellite |
| MiRaTA |
Microwave Radiometer Technology Acceleration |
| MiSS |
Multi-functional Smart Skin |
| Microb |
Mission Change Review Operations Board |
| Milstar |
Military Strategic & Tactical Relay |
| Min |
minimum value |
| MinXSS |
Miniature X-ray Solar Spectrometer |
| MisST |
Microsatellite in-situ Space Technologies |
| Mn |
main |
| Mnvr |
maneuver (burn) |
| MoM |
minutes of meeting |
| Mod |
modify |
| Mod |
modulator |
| Moon |
’s Interaction with the Sun |
| Moonlight |
Lunar Comms & Navigation System |
| Msps |
mega symbol per second |
| Mtr |
motor |
| MuSat |
Mu (Micro) Satellite |
| Mult |
multiple; multiply |
| Muses |
Mu Space Engineering Satellite |
| MySat |
Malaysian Satellite |
| N |
nominal |
| N |
newton (unit of force,SI) |
| N |
node |
| N-Char |
normal character |
| N-Char |
normal-character |
| N-ISDN |
Narrow Band ISDN |
| N-Star |
Nippon Star |
| N-USOC |
Norway (Trondheim) |
| N/W |
Network |
| N1 |
Node One |
| N2 |
Node Two |
| N3SYS2 |
Node 3 System 2 |
| NABEO |
Nanosat Bremssegel Entfaltversuch im Orbit |
| NAC |
Network and Communications |
| NAC |
NASA Advisory Council |
| NAC |
NASA Advisory Committee |
| NACA |
National Advisory Committee on Aeronautics (became NASA) |
| NACAIT |
Network And Communication Analysis & Integration Team |
| NACAIT |
Network & Communications Analysis & Integration Team (sub-panel of ISS GSCB) |
| NACC |
NASA ADP Consolidated Center |
| NACK |
negative acknowledgement |
| NAFCOM |
NASA Air Force Cost Model |
| NAI |
National Aerospace Initiative |
| NALF |
Naval Auxiliary Landing Field |
| NAOS |
National Advanced Optical System |
| NAR |
Non-Advocacy Review |
| NARA |
National Archives and Records Administration |
| NAS |
Naval Air Station |
| NAS |
Numerical Aerodynamic Simulation |
| NAS |
Network Attached Storage |
| NAS |
National Airspace System |
| NASA |
National Aeronautics & Space Administration |
| NASA |
National Aeronautics and Space Administration |
| NASA HALO |
Habitation Module |
| NASA HOSC |
Nasa Huntsville Operations Support Centre, incorporating the Payload Operations & Integration Centre |
| NASA JSC |
Nasa Johnson Space Centre, incorporating the Mission Control Centre Houston |
| NASCOM |
NASA Communications 2000 |
| NASCOM |
NASA Communications Network |
| NASCOM |
NASA Communications System (now NISN) |
| NASCOP |
NASA Communications Operating Procedures |
| NASDA |
NAtional Space Development Agency (Japan) |
| NASDA |
National Aeronautics and Space Development Agency of Japan; National Aeronautics/Space Development Agency of Japan |
| NASDA |
National Space Development Agency of Japan |
| NASIRC |
NASA Automated Systems Incident Response Capability |
| NASM |
National Air & Space Museum |
| NASP |
National AeroSpace Plane |
| NASTRAN |
NASA Structural Analysis |
| NATO |
North Atlantic Treaty Organisation |
| NAVISP |
Navigation Innovation & Support Programme |
| NBF |
Neutral Buoyancy Facility |
| NBL |
Neutral Buoyancy Facility |
| NBS |
National Bureau of Standards |
| NBS |
National Bureau of Standards (now NIST) |
| NC |
Nominal Correction (phase angle adjustment) |
| NC |
Nominal Catchup (Phasing Maneuver) |
| NC |
maneuver,Nominal Catchup (Phasing Maneuver) |
| NC |
nozzle closed |
| NC2MS |
NICS Consolidated Configuration Management System |
| NCAR |
National Center for Atmospheric Research |
| NCAS |
NASA Contract Assurance Services |
| NCC |
Nominal Correction Combination (maneuver) |
| NCC |
netlist comparison check |
| NCC |
Network Control Center |
| NCCDS |
Network Control Center Data System |
| NCDC |
National Climatic Data Center |
| NCG |
Non-Condensable Gas |
| NCHX |
Non-Condensing Heat Exchanger |
| NCI |
NASA Collaborative Infrastructure |
| NCI |
National Cancer Institute (National Institutes of Health) |
| NCMA |
National Contract Management Association |
| NCMS |
NICS Configuration Management System |
| NCO |
National Coordination Office |
| NCP |
Network Control Program |
| NCR |
report,Non-Compliance Report |
| NCR |
Non Conformance Record |
| NCR |
Non-Compliance Report |
| NCRP |
National Council on Radiation Protection & Measurements |
| NCRP |
National Committee on Radiation protection |
| NCS |
Node Control Software |
| NCS |
National Communications System |
| NCTAMS |
Naval Computer and Telecommunications Area Master Station |
| NDA |
Non-Disclosure Agreement |
| NDC |
Notification of Document Change (see also DCN) |
| NDD |
No-Direct Dazzling |
| NDE |
non-destructive evaluation |
| NDI |
non-destructive inspection |
| NDS |
Neuroscientific Data Station |
| NDS |
Nuclear Detection Satellite |
| NDT |
non-destructive test |
| NDV |
NASP Derived Vehicle |
| NDVI |
Normalized Difference Vegetation Index |
| NE |
Near Earth |
| NE |
Norepinephrine |
| NEA |
Near Earth Asteroid |
| NEAR |
Near Earth Asteroid Rendezvous |
| NEAR |
Near Earth Asteroid Rendezvous (now named NEAR Shoemaker) |
| NEBULA |
NASA's Cloud Computing Platform |
| NEEMO |
Nasa Extreme Environment Mission Operations |
| NEMO |
Naval Earth Map Observer |
| NEMS |
NASA Equipment Management System |
| NEN |
Near-Earth Network (formerly: GN,Ground Network; now the Near Space Network) |
| NEN |
Near Earth Network |
| NENS |
Near Earth Networks Services |
| NENUG |
Near Earth Network User’s Guide |
| NEO |
Near Earth Object |
| NEO |
Near-Earth Object |
| NEOO |
Near-Earth Object Observations |
| NEOWISE |
Near-Earth Object Wide-field Infrared Survey Explorer |
| NEP |
Nucno-Energeticeskaya Platforma |
| NEPA |
National Environmental Policy Act |
| NERDS |
NASA Electronic Radio Database System |
| NERN |
Near Earth Relay Network |
| NERV |
Nuclear Emulsion Recovery Vehicle |
| NERVA |
Nuclear Engine for Rocket Vehicle Application |
| NES |
NASA Explorer Schools |
| NESC |
NASA Engineering & Safety Center |
| NESP |
NASA Engineering Standards Panel |
| NET |
Not Earlier Than |
| NETEX |
Network Executive |
| NETS |
NASA Educational Technology Services |
| NETSIM |
Network Simulator |
| NEX |
NASA Excepted Service |
| NEXRAD |
Next Generation Radar |
| NEXT |
NASA Evolutionary Xenon Thruster |
| NEXTSat/CSC |
Next Generation Satellite & Commodities Spacecraft |
| NEXUS |
Next Generation X Unique Satellite |
| NExScI |
NASA Exoplanet Science Institute |
| NF |
Noise Figure |
| NFIRE |
Near Field Infrared Experiment |
| NFS |
NASA FAR Supplement |
| NFS |
Network File System |
| NG |
Nasogastric tube |
| NG |
NewsGroup |
| NGAS |
Northrup Grumman Aerospace Systems |
| NGC |
New General Catalog |
| NGD |
normal gradient discharge |
| NGI |
Next Generation Internet |
| NGIMS |
Neutral Gas & Ion Mass Spectrometer |
| NGIN |
Next Generation Integrated Network |
| NGIS |
Northrop Grumman Innovation Systems |
| NGLT |
Next Generation Launch Technology |
| NGO |
Non-Governmental Organization |
| NGPS |
Next Generation Planning System |
| NGSS |
Next Generation Sky Survey |
| NGST |
Northrop Grumman Space Technology |
| NGST |
Next Generation Space Telescope |
| NGST |
Next Generation Space Telescope (see also: JWST) |
| NH |
maneuver,Nominal Height Adjust (Altitude Raising Maneuver) (CST-100) |
| NH |
Nominal Height Adjust (Altitude Raising Maneuver) (CST-100) |
| NH |
Northern Hemisphere |
| NH3 |
Ammonia |
| NHB |
NASA Handbook |
| NHLBB |
non-hazardous leak before burst |
| NIA |
nitrogen interface assembly |
| NIAC |
NASA Innovative Advanced Concepts |
| NIC |
Network Integration Center |
| NICE |
NASA Innovations in Climate Education |
| NICER |
Neutron star Interior Composition ExploreR |
| NICMOS |
Near Infrared Camera / Multi Object Spectrometer (HST upgrade) |
| NICS |
NASA Information Configuration Services |
| NID |
non-ionising dose (identical to TNID) |
| NID |
NASA Interim Directive |
| NIE |
Networks Integration and Engineering |
| NIEL |
non-ionizing energy loss |
| NIEL |
non-ionising energy loss |
| NIF |
NASCOM Interface Facility |
| NIH |
National Institute for Health |
| NIH |
National Institutes of Health |
| NII |
National Information Infrastructure |
| NIM |
Networks Integration Manager |
| NIMO |
Networks Integration Management Office |
| NIMS |
Near-Infrared Mapping Spectrometer (on Galileo) |
| NIMS |
Network Information Management System |
| NIR |
Near InfraRed |
| NIRCam |
Near-Infrared Camera |
| NIRSpec |
Near-Infrared Spectrometer |
| NIS |
Network Infrastructure Subsystem |
| NIS |
Network Information System |
| NIS |
Network Information System (ColCC) |
| NISAR |
NASA-ISRO Synthetic Aperture Radar |
| NISN |
NASA Integrated Services Network |
| NISSU |
NASA Information Systems Services Utility |
| NIST |
National Institute of Standards and Technology |
| NIST |
National Institute of Standards & Technology (was NBS) |
| NIVR |
Netherlands Agency for Aerospace Programs |
| NLDN |
National Lightning Detection Network |
| NLDP |
National Launch Development Program |
| NLR |
National Aerospace Laboratory of the Netherlands |
| NLS |
NASA Launch Services |
| NLSI |
NASA Lunar Science Institute |
| NLT |
Not Later Than |
| NLTE |
Non Local Thermodynamic Equilibrium |
| NMC |
Network Monitor and Control |
| NMC |
Network Management Center |
| NMC |
National Center for Atmospheric Research |
| NME |
Non-Maintainable Equipment |
| NMI |
Nautical Mile |
| NMI |
NASA Management Instruction |
| NMO |
NASA Management Office |
| NMOS |
N-channel metal oxide semiconductor |
| NMP |
New Millenium Program |
| NMS |
Network Management System |
| NMS |
Neutral Mass Spectrometer |
| NMS |
New Member States |
| NMSU |
New Mexico State University |
| NMT |
network management |
| NMTSat |
New Mexico Tech Satellite |
| NNS |
Navy Navigation Satellite |
| NNSG |
NASCOM Network Scheduling Group |
| NO |
Naval Oscar |
| NO |
nozzle open |
| NO2 |
Nitrogen Dioxide |
| NOA |
New Obligational Authority |
| NOAA |
National Oceanic & Atmospheric Administration |
| NOAA |
National Oceanographic and Atmospheric Administration |
| NOAO |
National Optical Astronomy Observatories |
| NOC |
Networks Operations Center |
| NOCT |
Network Operations Control Team |
| NODC |
National Ocean Data Center |
| NODIS |
NASA Online Directives Information System |
| NOLAN |
NASCOM Operational Local Area Network |
| NOP |
Network Operations Plan |
| NOPE |
Network Operations Project Engineer |
| NOR |
Northrup Lakebed Landing Site |
| NORAD |
NORth American aerospace Defense |
| NORAD |
North American Air Defense Command |
| NOSA |
Norwegian Space Agency (formerly: NSC,Norwegian Space Center) |
| NOSP |
Network Operations Support Plan |
| NOSS |
Navy Ocean Surveilance Satellite |
| NOSS-MSD |
Navy Ocean Surveilance Satellite - Multi Satellite Dispenser |
| NOSS-TLD |
Navy Ocean Surveilance Satellite - Titan Launch Dispenser |
| NOTS |
Nitrogen/Oxygen Transfer System |
| NOVICE |
3-D Radiation transport simulation code developed by Experimental & Mathematical Physics Consultants, Gaithersburg, USA |
| NOx |
Nitrogen Oxide |
| NPAS |
Network Planning and Analysis System |
| NPAT |
National Partnership for Aeronautic alTesting |
| NPC |
Nominal Plane Change (CST-100) |
| NPC |
maneuver,Nominal Plane Change (CST-100) |
| NPCC |
nonpressurized cargo carrier |
| NPD |
NASA Policy Directive |
| NPG |
NASA Procedures and Guidelines |
| NPI |
National Partnership Initiative |
| NPLD |
North Polar Layered Deposit |
| NPN |
bipolar junction transistor with P-type base |
| NPO |
Non-Profit Organization |
| NPOES |
National Polar-orbiting Operational Environmental Satellite |
| NPOESS |
National Polar–orbiting Operational Environmental Satellite System |
| NPOESS |
National Polar-Orbiting Operational Environmental Satellite System |
| NPP |
Suomi National Polar orbiting Partnership (new name for NPOESS) |
| NPP |
Network Planning and Preparation |
| NPP |
NPOESS Preparatory Project |
| NPP |
Net Primary Productivity |
| NPPS |
NASA Personnel and Payroll System |
| NPR |
National Performance Review |
| NPR |
NASA Procedural Requirement |
| NPS-SCAT |
Naval Postgraduate School Solar Cell Array Tester |
| NPSL |
NASA parts selection list |
| NPSP |
net positive suction pressure |
| NPSat |
Naval Postgraduate School Satellite |
| NPV |
Non-Propulsive Vent |
| NRA |
NASA Research Announcement |
| NRAO |
National Radio Astronomy Observatory |
| NRB |
nonconformance review board |
| NRC |
National Research Council |
| NRCC |
National Research Council Canada |
| NRE |
Non Recurring Engineering |
| NREL |
National Renewable Energy Laboratory |
| NREN |
NASA Research and Education Network |
| NRF |
network-model & results format |
| NRL |
Naval Research Laboratory |
| NRL-PL |
Naval Research Laboratory Payload |
| NRO |
National Reconnaissance Office |
| NRPTA |
National Rocket Propulsion Test Alliance |
| NRT |
Near Real-Time |
| NRTM |
Near-Real-Time Monitoring |
| NRZ |
non return to zero |
| NRZ |
non-return to zero |
| NRZ-L |
non-return to zero level |
| NRZ-L |
non return to zero-level |
| NRZ-L |
NRZ Level |
| NRZ-L |
NRZ-level |
| NRZ-M |
non-return to zero mark |
| NRZ-M |
non return to zero-mark |
| NRZ-M |
non-return-to-zero-mark |
| NRZ-M |
NRZ Mark |
| NS |
Neutron Star |
| NS |
Network Services |
| NSA |
National Security Agency |
| NSAID |
Nonsteroidal Anti-Inflammatory Drug |
| NSAP |
Network Service Assurance Plan |
| NSBRI |
National Space Biomedical Research Institute |
| NSC |
NASA Safety Center |
| NSCC |
NASCOM Security Control Center |
| NSCP |
National Space Communications Program |
| NSD |
Network Services Division |
| NSD |
NISN Services Document |
| NSDP |
NASCOM System Development Plan |
| NSEP |
National Security Emergency Preparedness |
| NSF |
National Science Foundation |
| NSI |
NASA Science Internet |
| NSI |
Nuclear Systems Initiative |
| NSMG |
NASA Spectrum Managers Group |
| NSN |
Near Space Network (formerly: NEN— Near Earth Network and SN,Space Network) |
| NSO |
National Solar Observatory |
| NSP |
Network Support Plan |
| NSPD |
National Space Policy Directive |
| NSPO |
National Space Program Office (Taiwan) |
| NSPSEWG |
Network Services Projects Systems Engineering Working Group |
| NSR |
Nominal Slow Rate (Co-elliptic Maneuver) |
| NSR |
maneuver,Nominal Slow Rate (Co-elliptic Maneuver) |
| NSR |
NISN Service Request |
| NSRPC |
maneuver,Nominal Slow Rate & Plane Change |
| NSRPC |
Nominal Slow Rate & Plane Change |
| NSS |
New Skies Satellite |
| NSSA |
National Security Space Architect |
| NSSC |
NASA Shared Services Center |
| NSSDC |
National Space Science Data Center |
| NSSL |
National Security Space Launch (formerly: EELV,Evolved Expendable Launch Vehicle) |
| NSST |
Neutral Salt Spray Test |
| NSTAC |
National Security Telecommunications Advisory Committee |
| NSTC |
National Science and Technology Council |
| NSTC |
National Science & Technology Council |
| NSTI-MSI |
NASA Science & Technology Institute for Minority Serving Institutions |
| NSTS |
National Space Transportation System (NASA Space Shuttle) |
| NSTS |
NASA Space Transportation System |
| NSWPC |
National Space Weather Program Council |
| NSYS |
Node System |
| NSpC |
National Space Council |
| NTA |
nitrogen tank assembly |
| NTC |
NASA Teleconferencing Center |
| NTC |
NASA Technical Capabilities |
| NTD |
NASA Test Director |
| NTDC |
NASA Technical Capabilities Database |
| NTEC |
NASA Technology Executive Council |
| NTIA |
National Telecommunications and Information Administration |
| NTIA |
National Telecommunications & Information Administration |
| NTO |
tetroxide,diNitrogen Tetroxide (commonly referred to as nitrogen tetroxide) |
| NTO |
nitrogen tetroxide |
| NTP |
Netrix Trunk Protocol |
| NTP |
Network Time Protocol |
| NTR |
Nuclear Thermal Rocket(ry) |
| NTS |
Navigation Technology Satellite |
| NTSP |
NASA Technical Standards Program |
| NTT |
New Technology Telescope |
| NTTF |
Networks Technical Training Facility |
| NUDTSat |
National University of Defense Technology Satellite |
| NUREG |
Nuclear Regulatory Commission Regulation |
| NUREG |
U.S. Nuclear Regulatory Commission, Washington, DC |
| NUREG-CR |
US Nuclear Regulatory Commission contractor report |
| NUV |
Near Ultraviolet |
| NVP |
NOCC Very Long Baseline Interferometry (VLBI) Processor |
| NVR |
non-volatile residue |
| NVTS |
NASCOM Video Transponder Service |
| NW |
negative window |
| NWF |
Next Worst Failure |
| NWF |
failure,Next Worst Failure |
| NWP |
Numerical Weather Prediction |
| NWS |
National Weather Service |
| NWSW |
Network Software |
| Nav |
navigation |
| Navstar |
Navigation System using Timing & Ranging |
| Ncube |
Norwegian Cubesat |
| Neg |
negative |
| Net |
network |
| NextGen |
Next Generation Air Transportation System |
| Nodes |
Network & Operation Demonstration Satellite |
| Nom |
nominal |
| NuSTAR |
Nuclear Spectroscopic Telescope Array |
| Nusat |
North Utah Satellite |
| O |
Operational (Transit) |
| O&C |
Operations & Checkout (building) |
| O&C |
Operations & Checkout |
| O&C |
Operations and Checkout |
| O&M |
Operations & Maintenance |
| O&M |
Operations and Maintenance |
| O&U |
Operation & Utilisation |
| O-OHA |
On-Orbit Hearing Assessment |
| O/B |
On-Board |
| O/D |
On Dock |
| O/OREOS |
Organics and/or Organisms Exposure to Orbital Stresses |
| O/S |
Operating System |
| O2 |
Oxygen |
| O2O |
Orion Artemis II Optical Communications System |
| O; Ovhd |
overhead |
| OA |
Office of Audits |
| OAA |
Orbiter Access Arm |
| OAFS |
Onizuka Air Force Station |
| OAO |
Orbiting Astronomical Observatory |
| OAR |
Operations Assessment Report |
| OARE |
orbital acceleration research experiment |
| OASPL |
Overall Sound Pressure Level |
| OAST-Flyer |
Office of Aeronautics & Space Technology Flyer |
| OB |
On-Board |
| OBAP |
on-board application procedure |
| OBAS |
Orbiter Body Axis System |
| OBC |
on-board computer |
| OBC |
on board computer |
| OBCP |
original baseline cost plan |
| OBCP |
on-board control procedure |
| OBDH |
on-board data handling |
| OBE |
Onboard Equivalent |
| OBOP |
on-board operations procedure |
| OBS |
organizational breakdown structure |
| OBS |
Operational bioinstrumentation system |
| OBSM |
on-board software maintenance |
| OBSM |
on‐board software maintenance |
| OBSW |
on-board software |
| OBT |
Onboard Training |
| OBT |
On-Board Training |
| OBTWG |
On-Board Training Working Group |
| OC |
Optical Carrier |
| OC |
Operations Controller |
| OCA |
Orbital Communications Adapter |
| OCA |
Orbital Communication Adapter |
| OCA |
orbiter communications adapter |
| OCACT |
Ohio Consortium for Advanced Communications Technology |
| OCAD |
Operations Control Agreement Document |
| OCAMS |
OSRISIS-REx Camera Suite |
| OCB |
Operations Control Board |
| OCC |
operational control centre |
| OCCS |
onboard complex control system |
| OCD |
Operations Concept Document |
| OCE |
Office of the Chief Engineer |
| OCF |
Operations Control Facilities |
| OCFO |
Office of the Chief Financial Officer |
| OCFO |
Office of Chief Financial Officer |
| OCHM |
Operational Hazardous Control Matrix |
| OCHMO |
Office of the Chief Health & Medical Officer |
| OCIO |
Office of Chief Information Officer |
| OCIP |
Operations Control Implementation Plan |
| OCM |
Orbital Conjunction Message |
| OCN |
Order Control Number |
| OCO |
Orbiting Carbon Observatory |
| OCONUS |
Outside the Continental United States |
| OCR |
Operations Change Request |
| OCRD |
operations customer requirements document |
| OCS |
Orbit Control System (larger thrusters) |
| OCSD |
Optical Communications & Sensor Demonstration |
| OCSE |
Optical Calibration Sphere Experiment |
| OCSM |
Organization Computer Security Manager |
| OCST |
Office of Commercial Space Transportation |
| OCT |
Office of the Chief Technologist |
| OCTL |
Optical Communication Telescope Laboratory |
| OD |
Orbit Determination |
| ODAC |
Orion Design Analysis Cycle |
| ODAR |
Obsolescence Driven Architecture Redesign |
| ODB |
Operations Data Base |
| ODC |
Other Direct Costs |
| ODE |
one-dimensional equilibrium |
| ODERACS |
Orbital Debris Radar Calibration Sphere |
| ODF |
Operations Data File |
| ODF-CB |
Operations Data File Control Board |
| ODFCB |
ODF Control Board |
| ODFCR |
Operations Data File Change Request |
| ODFDN |
Operations Data File Discrepancy Note |
| ODFRV |
Operations Data File Desktop Review & Validation System |
| ODIN |
Outsourcing Desktop Initiative for NASA |
| ODIN |
On-board Data & Information Network Officer |
| ODM |
Operations Data Message |
| ODM |
Orbit Data Message |
| ODM |
Object Data Management |
| ODM |
Orbiter Disconnect Mechanism |
| ODN |
On-board Data Network |
| ODR |
Operations Data Room |
| ODRC |
Operational Data Reduction Complex |
| ODS |
orbiter docking system |
| OE |
Operational Engineer |
| OE/V |
OSTP editor/viewer |
| OEDIPUS |
Observation of Electric Field Distributions in the Ionospheric Plasma - a Unique Strategy |
| OEM |
Original Equipment Manufacturer |
| OEM |
Orbit Ephemeris Message |
| OEP |
operations engineering plan |
| OEX-Target |
Orbiter Experiment Target |
| OF |
obscuration factor |
| OFA |
operations feasibility assessment |
| OFK |
Official Flight Kit |
| OFO |
Orbiting Frog Otolith |
| OFP |
Operational Flight Program |
| OFPP |
Office of Federal Procurement Policy |
| OFT |
On Board File Transfer |
| OFT |
Orbital Flight Test |
| OFT |
test,Orbital Flight Test |
| OFTP |
Orbital Flight Technique Panel (Space Shuttle Program) |
| OFTS |
orbital flight targeting system |
| OGC |
Office of General Counsel |
| OGC |
Office of the General Counsel |
| OGC |
check MCC; on MCC go |
| OGCh |
Orbital'noy Golovnoy Chasti |
| OGMS-SA |
Outgassing Material Study by Spectroscopy Analysis |
| OGO |
Orbiting Geophysical Observatory |
| OGRR |
Operations Ground Rules &Requirements |
| OGS |
Oxygen Generator System |
| OGSE |
optical ground support equipment |
| OGV |
Ogive Panel |
| OHA |
operating hazard analysis |
| OHCM |
Office of Human Capital Management |
| OHD |
Overheating Detection |
| OI |
Operational Improved (Transit) |
| OI |
Office of Investigations |
| OICETS |
Optical Inter-orbit Communication Engineering Test Satellite |
| OIG |
Office of Inspector General |
| OIIR |
Office of International Interagency Relations |
| OIIR |
Office of International & Interagency Relations |
| OIM |
Operations Integration Manager |
| OIP |
Operations Interface Procedures |
| OIP |
Operations Integration Plan |
| OIR |
Operations Integration Review |
| OIS |
Operational Intercommunications System |
| OIS-D |
Operational Intercommunications System Digital |
| OIS-Q |
Operational Intercommunications System Quintron |
| OIT |
oxygen induction time |
| OITP |
oxygen induction temperature |
| OJT |
On-Job Trainee |
| OJT |
On-the-Job Training |
| OKN |
Optokinetic Nystagmus |
| OL |
Outboard Lower |
| OL |
Operations Lead |
| OLA |
OSIRIS-REx Laser Altimeter |
| OLA |
Office of Legislative Affairs |
| OLI |
Operational Land Imager (Landsat Data Continuity Mission instrument) |
| OLIA |
Office of Legislative and Intergovernmental Affairs |
| OLS |
Operational Linescan System |
| OLSG |
Optical Link Study Group |
| OLVBI |
Orbiting Very Long Baseline Interferometry |
| OM |
&DA Other Mission & Data Analysis |
| OMA |
optical modulation amplitude |
| OMB |
Office of Management & Budget |
| OMB |
Office of Management and Budget |
| OMC |
Operations Management Council |
| OMCF |
Orbiter Maintenance Checkout Facility |
| OMCS |
Operations Monitor and Control System |
| OMEGA |
Offshore Membrane Enclosures for Growing Algae |
| OMERE |
Radiation environment & effects code developed by TRAD with the support of CNES |
| OMG |
Object Management Group |
| OMI |
On-Orbit Maintenance Item |
| OMI |
Ozone Monitoring Instrument |
| OMM |
Orbital Maintenance Maneuvers |
| OMOTENASHI |
Outstanding Moon exploration Technologies demonstrated by Nano Semi-Hard Impactor |
| OMP |
Operations Management Plan |
| OMPS |
Ozone Mapping & Profiler Suite (NPOESS Preparatory Project instrument) |
| OMRS |
Operations Maintenance Requirements Set |
| OMS |
Orbital Maneuvering System |
| OMS-E |
Orbital Maneuvering System Engine |
| OMSA |
Office of Mission Safety Assurance |
| OMT |
Operations Management Team (name of the IGS/GS HW at ESTEC) |
| OMT |
Operations Management Team |
| OMUX |
output multiplexer |
| ONERA |
Office National d'Études et de Recherches Aérospatiales |
| ONS |
off-nominal situation |
| ONTO |
Oxiden & Nitrogen Tanks (see also HPGT) |
| OO |
Opal Oscar |
| OOB |
Out-Of-Band |
| OOCI |
OSTP/ODF crew interface |
| OODA |
Observe, Orient, Decide, Act |
| OOL |
Out of limit |
| OOLC |
Out of Limit counter |
| OOM |
on-orbit maintenance |
| OOS |
On-Orbit Operations Summary |
| OP |
operational plan |
| OPAL |
Oxygen Photometry of the Atmospheric Limb |
| OPAL |
Orbiting Picosat Automatic Launcher |
| OPD |
Operations Processes Document |
| OPDCS |
Operations Planning Data Collection System |
| OPEN |
Open Prototype for Educational NanoSats |
| OPF |
Orbiter Processing Facility |
| OPF |
Orbital Processing Facility |
| OPI |
Oral Proficiency Interview |
| OPII |
Office of Program and Institutional Integration |
| OPM |
Optimized Propellant Maneuver |
| OPM |
maneuver,Optimized Propellant Maneuver |
| OPM |
Office of Personnel Management |
| OPPS |
Operations Preparation & Planning System |
| OPR |
Office of Primary Responsibility |
| OPS |
Operations |
| OPS |
Orbitalnaya Pilotiruemaya Stanziya |
| OPS |
LAN onboard operations local area network |
| OPS-HA |
ATV Mission Operations Division |
| OPSPLAN |
Operations Planner |
| OPSR |
Operations Preparation Support Room |
| OPUSAT |
Osaka Prefecture University Satellite |
| OPVR |
Operations Preparation Validation Review |
| OPVR |
Operations Preparation & Validation Review |
| OQPSK |
offset quadrature phase shift keying |
| OQR |
operational qualification review |
| ORAS |
Orbiter Rotation Axis System |
| ORC |
Operationally Restricted Commands |
| OREX |
Orbital Reentry Experiment |
| ORFEUS |
Orbiting & Retrievable Far & Extreme Ultraviolet Spectrometer |
| ORFEUS-SPAS |
Orbiting & Retrievable Far & Extreme UV Spectrometer - Shuttle Palette Satellite |
| ORI |
Operational Readiness Inspection |
| ORION |
Orion ESM European Service Module |
| ORNL |
Oak Ridge National Laboratory |
| ORR |
Operational Readiness Review |
| ORR |
Operations Readiness Review |
| ORS |
Octahedral Research Satellite |
| ORS |
Operationally Responsive Space |
| ORS |
Tech Operationally Responsive Space - Technology |
| ORSES |
Operationally Responsive Space Enabler Satellite |
| ORT |
Operation Readiness Test |
| ORT |
Operational Readiness Test |
| ORU |
On-Board Replaceable Unit |
| ORU |
Orbital Replacement Unit |
| ORU |
Onboard Redundancy Unit |
| OS |
Operating System |
| OS |
Operation System |
| OS |
Orbiting Sample |
| OSA |
Orion Stage Adapter |
| OSAL |
Operating System Abstraction Layer |
| OSB |
Operations Steering Board |
| OSB |
Operational Support Building |
| OSC |
Orbital Sciences Corporation |
| OSCA |
onboard spacesuit control assembly |
| OSCAR |
Orbiting Satellite Carrying Amateur Radio |
| OSCAT |
Indian Space Agency's scatterometer instrument |
| OSD |
output serial digital |
| OSE |
Orbital Support Equipment |
| OSE |
on-orbit support equipment |
| OSHA |
Occupational & Safety & Health Administration |
| OSHA |
Occupational Safety and Health Administration |
| OSHA |
Occupational Safety & Health Agency |
| OSI |
Office of Strategic Infrastructure |
| OSI |
Open Systems Interconnection |
| OSIP |
Open Space Innovation Platform |
| OSIRIS-3U |
Orbital Satellite for Investigating the Response of the Ionosphere to Stimulation & Space Weather - 3 Unit Cubesat |
| OSIRIS-REx |
Origins-Spectral Interpretation-Resource Identification-Security-Regolith Explorer |
| OSL |
Orbiting Solar Laboratory |
| OSMA |
Office of Safety & Mission Assurance |
| OSMA |
Office of Safety and Mission Assurance |
| OSNSAT |
Open Space Network Satellite |
| OSO |
Operations Support Officer |
| OSO |
Orbiting Solar Observatory |
| OSP |
Orbital / Suborbital Program (of the USAF) |
| OSP |
Orbital Space Plane |
| OSPL |
overall sound pressure level |
| OSR |
Optical Solar Reflector |
| OSR |
Operations Status Report |
| OSSA |
Office of Space Science & Applications |
| OSSE |
Oriented Scintillation Spectrometer Experiment (on CGRO) |
| OST |
Operations Support Tools (Col-CC) |
| OST |
Operations Support Tool |
| OSTC |
on station thermal cycling |
| OSTM |
Ocean Surface Topography from Space Missions |
| OSTM |
Ocean Surface Topography Mission |
| OSTP |
onboard short-term plan |
| OSTP |
Office of Science & Technology Policy |
| OSTP |
Onboard Short Term Plan |
| OSTPV |
Onboard Short Term Plan Viewer |
| OSTST |
Ocean Surface Topography Science Team |
| OSWG |
Operations Safety Working Group |
| OT |
Off-Topic |
| OT |
Operational Tiros |
| OTA |
Optical Telescope Assembly (on HST) |
| OTB |
Orbital Test Bed |
| OTC |
Outbound Trajectory Corrections |
| OTCM |
ORU tool changeout mechanism |
| OTCM |
ORU Tool Change-out Mechanism (SPDM) |
| OTD |
ORU transfer device |
| OTE |
Optical Telescope Element |
| OTES |
OSIRIS-REx Thermal Emission Spectrometer |
| OTHB |
Over The Horizon Backscatter |
| OTIS |
Optical Telescope Element/ Integrated Science Module (JWST) |
| OTM |
output transformation matrix |
| OTP |
operations training plan |
| OTP |
ORU/Tool Platform (SPDM) |
| OTR |
ORU Temporary Platform |
| OTS |
Orbital Test Satellite |
| OTV |
Orbital Transfer Vehicle |
| OU |
Outboard Upper |
| OUFTI |
Orbital Utility For Telecommunications / Technology Innovations |
| OV |
orbital vehicle |
| OV |
Overview |
| OV |
OrbView |
| OV |
Orbiting Vehicle |
| OV |
Orbiter Vehicle |
| OV |
vehicle,orbital vehicle |
| OVDB |
Operational Validation Data Base |
| OVEIWG |
Orion Vehicle Engineering Integration Working Group |
| OVHD |
Overhead |
| OVIRS |
OSIRIS-REx Visible & Infrared Spectrometer |
| OVP |
operational validation plan |
| OVT |
Operations Validation Test |
| OVWST |
Ocean Vector Winds Science Team |
| OW |
Open Work |
| OWI |
Operational Work Instruction |
| OWTL |
Open Work Tracking Log |
| OXP |
Orbcomm Experiment Platform |
| OZ |
NASA Department responsible for ISS payload integration |
| Obs |
observation |
| OpNom |
Operations Nomenclature |
| Opr |
operator |
| Ops-Sup |
Operations Support |
| Opt |
option |
| Orb |
Orbiter |
| Orb |
orbit |
| OrbView |
Orbital View |
| Orbcomm |
Orbital Communication |
| Orbis |
Orbiting Radio Beacon Ionospheric Satellite |
| Orbiscal |
Orbiting Radio Beacon Ionospheric Satellite Calibration |
| OreSat |
Oregon Satellite |
| OrigamiSat |
Organization of research Group on Advanced deployable Membrane structures for Innovative space science Satellite |
| Osc |
oscilloscope |
| Outbd |
outboard |
| Ovld |
overload |
| Ovvolt,Ov V |
overvoltage |
| Ox |
oxidizer |
| P |
Precision (P-code) |
| P |
Probe |
| P |
Project |
| P&F |
Particles & Fields |
| P&R |
place & route |
| P&S |
pointing & support |
| P-AM |
Pancreatic Amylase |
| P-E&OI |
Payload Engineering & Operations Integration |
| P-REC |
Received Power |
| P.L. |
Public Law |
| P/AWS |
Paging and Area Warning System |
| P/B |
Playback |
| P/L |
Payload |
| P/L Reg |
Payload Regulation |
| P/L; PL |
payload |
| P/N |
part number |
| P/SDR |
Program System Design Review |
| P/SRR |
Program System Requirements Review |
| P2P |
Point-To-Point |
| P2P |
Program to Program |
| P2T2 |
Prototype Part Task Trainer |
| P3I |
Preplanned Program Improvement |
| P; Port |
port |
| PA |
Product Assurance |
| PA&E |
Program Analysis And Evaluation |
| PA&S |
Product Assurance & Safety |
| PA/S |
Product Assurance & Safety |
| PAA |
phased array antenna |
| PAA |
PDGF Adapter Assembly |
| PAA |
Program Alignment & Analysis |
| PABX |
Private Automated Branch Exchange |
| PAC |
Package Attitude Control |
| PAC |
Partial Solar Calibrator |
| PACE |
Pre-Aerosols, Carbon & Ecosystems |
| PACE |
University of Pittsburg Airglow Ion Chemistry Experiment |
| PACE |
Plankton, Aerosol, Cloud & ocean Ecosystem |
| PACE |
Platform for Attitude Control Experiments |
| PACOR |
Packet Processor |
| PACOR-A |
Packet Processor Automation |
| PACSAT |
Packet Radio Satellite |
| PACT |
power augmented catalytic thruster |
| PAD |
Program Approval Document |
| PAD |
Packet Assembler/Disassembler |
| PAD |
part approval document |
| PAD |
pad control word |
| PAD |
part approval documents |
| PAD |
Project Authorization Document |
| PAET |
Planetary Athmosphere Entry Test |
| PAF |
product assurance file |
| PAGEOS |
Passive Geodetic Earth Orbiting Satellite |
| PAI |
Payload Analytical Integration |
| PAIG |
Program and Institutional Guidance |
| PAL |
Phase Alternating Line |
| PALI |
Payload Accommodation Locker Indicator |
| PAM |
pulse amplitude modulation |
| PAM |
Payload Assist Module |
| PAM |
Payload Attach Mechanism (EF) |
| PAM-D |
Payload Assist Module, Delta-class |
| PAMS-STU |
Passive Aerodynamically Stabilized Magnetically Damped Satellite - Satellite Test Unit |
| PAMWG |
Performance Assessment Metrics Working Group |
| PAN |
Pathfinder for Autonomous Navigation |
| PAN |
Palladium At Night |
| PANSAT |
Petite Amateur Navy Satellite |
| PAO |
Public Affairs Office |
| PAO |
Public Affairs Office (NASA PR) |
| PAO |
Public Affairs Opportunity |
| PAO |
Public Affair Officer |
| PAP |
Product Assurance & Safety Plan |
| PAPAC |
Provide Aerospace Products and Capabilities |
| PAPOS |
Payload Parking Position Interface |
| PAR |
Program Acceptance Review |
| PAR |
Performance & Accountability Report |
| PAR |
Performance and Accountability Report |
| PAR |
Performance Accountability Report |
| PARASOL |
Polarization & Anisotropy of Reflectances for Atmospheric Science coupled with Observations from a LIDAR |
| PARD |
Product Assurance & Safety Requirements for Phases |
| PARS |
Playback Anomaly Recovery System |
| PART |
Program Assessment Rating Tool |
| PARTNeR |
Proyecto Academico con el Radiotelescopio de NASA en Robledo (Spanish equivalent of GAVRT) |
| PARX |
Pulsating Aurora Rocke Experiment |
| PAS |
payload attachment system |
| PAS |
Pan Am Satellite |
| PASI |
Philippine Agila Satellite Inc. |
| PASO |
Product Assurance & Safety Officer |
| PASS |
Primary Avionics Software System |
| PAT |
Paroxysmal Atrial Tachycardia |
| PAT |
Pre-flight Adaptive training |
| PAV |
Progress Assistance Visit |
| PAYCOM |
Payload Communicator |
| PB |
President’s Budget |
| PB-HME |
Programme Board – Human Spaceflight Microgravity & Exploration |
| PB-HME |
Human Spaceflight, Microgravity & Exploration Programme Board |
| PBA |
Portable Breathing Assembly |
| PBA |
portable breathing apparatus |
| PBA |
Pump Bypass Assembly |
| PBIT |
Periodic BIT |
| PBMA |
Process Based Mission Assurance |
| PBR |
President’s Budget Request |
| PBS |
Public Broadcasting Service |
| PBS |
President’s Budget Submit |
| PBX |
Post Base Exchange |
| PC |
portable computer |
| PC |
Plane Change |
| PC |
Personal Computer |
| PCA |
Physicians’ comparability allowance |
| PCA |
Program Commitment Agreement |
| PCAD |
Propulsion Cryogenics Advanced Development |
| PCAM |
Panoramic Camera |
| PCAP |
payload crew activity plan |
| PCAR |
Payload Complement Acceptance Review |
| PCASS |
Program Compliance Assurance and Status System |
| PCB |
Program Control Board |
| PCB |
printed circuit board |
| PCB |
parts control board |
| PCB |
product configuration baseline |
| PCB |
Polychlorinated Biphenyl |
| PCBA |
portable clinical blood analyzer |
| PCBM |
passive CBM |
| PCBs |
Polychlorinated biphenyls |
| PCC |
Processing Control Center |
| PCC |
pressurized cargo carrier |
| PCC |
Permanent Consultative Committee |
| PCCA |
Principal Center for Communications Architecture |
| PCCB |
Program Change Control Board |
| PCCM |
Project Configuration Control Management |
| PCCS |
Physical Configuration Control System |
| PCCU |
Power Conditioning & Control Unit (APAS) |
| PCD |
Project Commitment Document |
| PCD |
Process Control Document |
| PCD |
Product Configuration Documentation |
| PCDF |
PU PCDF Processing Unit |
| PCDF |
EU PCDF Experiment Unit |
| PCDF |
Protein Crystallization Diagnostics Facility |
| PCDU |
power control & distribution unit |
| PCDU |
power conditioning & distribution unit |
| PCE |
Proximity Communication Equipment |
| PCE |
Project Communications Engineers |
| PCEM |
Payload Computer & Electronic Module |
| PCF |
Protocol Control Frame |
| PCFC |
Proposed Change from Control |
| PCFS |
Personal Computer Field System |
| PCG |
protein crystal growth |
| PCI |
Product Configuration Items |
| PCIR |
Payload Complement Integration Review |
| PCM |
Process Control Module |
| PCM |
Program Control Manager |
| PCM |
pulse coded modulation |
| PCM |
phase change material |
| PCM |
pulse code modulation |
| PCM |
process control monitor |
| PCN |
Page Change Notice |
| PCN |
Procurement Control Number |
| PCN |
process change notice |
| PCOS |
Physics of the Cosmos |
| PCR |
Payload Changeout Room |
| PCR |
product conformance report |
| PCR |
Polymerase chain reaction |
| PCS |
Portable Computer System |
| PCS |
Personal Communication Service |
| PCS |
Physics of Colloids in Space |
| PCSR |
Payload Complement Safety Review |
| PCSat |
Prototype Communication Satellite |
| PCT |
post contact thrusting |
| PCU |
plasma contactor unit |
| PCV |
Progress cargo vehicle |
| PCV |
Packed cell volume,hematocrit |
| PCV |
physical configuration verification |
| PCVP |
Pump & Control Valve Package |
| PCWS |
pressure alarm sensor |
| PD |
Program Directive |
| PD |
Position Description |
| PD |
payload developer |
| PD |
Processed Data |
| PDA |
Portable Diagnostic Analyzer |
| PDA |
power distribution assembly |
| PDA |
Personal Digital Assistant |
| PDA |
Payload Disconnect Assembly |
| PDAC |
Procedures Development and Control |
| PDAC |
procedures development & control |
| PDAM |
Power Management & Distribution |
| PDAM |
maneuver,pre-determined DAM |
| PDAM |
Pre-determined DAM |
| PDB |
Project Data Base |
| PDC |
Payload Development Capability |
| PDC |
Payload Data Center |
| PDD |
Presidential Decision Directive |
| PDD |
Payload Deployment Device |
| PDD |
PPL Description Document |
| PDDS |
Procedure Development Support Software |
| PDE |
performance drift error |
| PDEP |
Process for Disposal of ESA Property |
| PDF |
portable document format |
| PDF |
Portable Date File format |
| PDF |
Programmable Data Formatter |
| PDF |
probability density function |
| PDG |
Payload Data Generator |
| PDGF |
Power Data Grasp Fixture or grasp fixture |
| PDGF |
power & data grapple fixture |
| PDL |
Ponce De Leon (STDN Station) |
| PDL |
Payload Data Library |
| PDL |
Procedure Distribution List |
| PDM |
Program Decision Memorandum |
| PDM |
precedence diagram method |
| PDMS |
Product Data Management System |
| PDN |
Public Data Network |
| PDO |
process data object |
| PDOP |
Position Dilution Of Precision |
| PDOT |
Payload Development & Operations Team |
| PDP |
Personal Data Protection |
| PDP |
Plasma Diagnostics Package |
| PDR |
Preliminary Design Review |
| PDRS |
PDRS engineer |
| PDS |
Payload Data Set |
| PDS |
Planetary Data System |
| PDSS |
Payload Data Service System |
| PDSS |
Payload Data Services System |
| PDSS |
Payload Data Services System (HOSC) |
| PDT |
Peripheral Docking Target |
| PDT |
Procurement Development Team |
| PDTA |
Power and Data Transfer Assembly |
| PDU |
Power Distribution Unit |
| PDWG |
Processed Data Working Group |
| PE |
Program Executive |
| PE&OI |
Payload Engineering & Operations Integration |
| PEA |
Pulseless Electrical Activity |
| PEA |
Pressure Equalization Assembly |
| PEARL |
Payload & Experiment Assignment Responsibility List |
| PEASSS |
Piezo Electric Assisted Smart Satellite Structure |
| PEB |
Performance Evaluation Board |
| PEC |
Passive Experiment Carrier (MISSE) |
| PEC |
Performance Evaluation Committee |
| PECL |
pseudo-ECL |
| PED |
pressure equipment directive |
| PED |
plastic encapsulated device |
| PED |
positive expulsion device |
| PEEK |
polyetheretherketone |
| PEF |
price escalation formula |
| PEHB |
payload Ethernet hub/bridge |
| PEHG |
payload Ethernet hub gateway |
| PEI |
Payload Engineering Integration |
| PEL |
Power Equipment List |
| PEM |
Payload Engineering Manager |
| PEMS |
Percutaneous Electrical Muscle Stimular |
| PEO |
polar Earth orbit |
| PEP |
Power Equipment Panel |
| PEPE |
Plasma Experiment for Planetary Exploration |
| PERS |
Payload Equipment Restraint System |
| PES |
Payload Engineering Support Facility (Friedrichshafen) |
| PES |
Pallet Ejection System |
| PEST |
Plasma Experiment Satellite Test |
| PET |
polyethylene terephthalate |
| PEV |
Post Event [RGS] Visibility |
| PEV |
pressure equalization valve |
| PF |
Processing Facility |
| PF |
parabolic flight |
| PFA |
Perfluoral oxide Copolymer |
| PFA |
perfluoroalkoxy |
| PFC |
Parabolic Flight Campaign |
| PFC |
pump & flow control |
| PFC |
Private Family Conference |
| PFCI |
potential fracture-critical item |
| PFCI |
potential fracture critical item |
| PFCIL |
potential fracture-critical items list |
| PFCS |
pump & flow control subassembly |
| PFD |
power flux density |
| PFE |
Periodic Fitness Evaluation |
| PFE |
Portable Fire Extinguisher System |
| PFE |
portable fire extinguisher |
| PFF |
Pluto Fast Flyby |
| PFM |
pulse frequency modulation |
| PFMC |
Pump/Fan Motor Controller |
| PFMI |
Pore Formation and Mobility Investigation |
| PFO |
particle fall out |
| PFOTS |
Poker Flats Research Range Orbital Tracking Station |
| PFP |
Program Financial Plan |
| PFR |
Post Flight Report |
| PFR |
Post Flight Review |
| PFR2 |
Post Flight Review 2 board |
| PFRR |
Poker Flats Research Range |
| PFS |
Particles & Field Subsatellite |
| PFS |
Pulmonary Function System |
| PFS |
Poker Flat Station |
| PFT |
pulmonary function test |
| PG |
Product Groups |
| PG |
Procedural Guideline |
| PGBA |
Plant Generic Bioprocessing Apporatus |
| PGOC |
Payload Ground Operations Contract |
| PGP |
Pretty Good Protection |
| PGS |
Product Generation System |
| PGSE |
pressure ground support equipment |
| PGW |
Propylene/Glycol Water (heat transfer fluid) |
| PH |
Momentum vector |
| PH |
pressurized hardware |
| PHA |
preliminary hazard analysis |
| PHA |
Personal Hygiene Articles |
| PHALCON |
Power Articulation Lighting & Control Officer |
| PHASR |
Personal Hazards Associated with Space Radiation |
| PHAZE |
Physics of Auroral Zone Electrons |
| PHEG |
Payload Hub Ethernet Gateway |
| PHP |
passive hearing protection |
| PHS |
Periodic health Status |
| PHS&T |
Packing, Handling, Storage & Transportation |
| PHSF |
Payload Hazardous Servicing Facility |
| PHW |
Program Hours Worked |
| PI |
Principal Investigator |
| PI |
prime investigation |
| PI/TL |
Principal Investigator/Team Leader |
| PIA |
Payload Integration Agreement |
| PIA |
port inboard aft |
| PIAU |
Payload Interface Adapter Unit |
| PIC |
particle in cell |
| PICASSO |
PICosatellite for Atmospheric & Space Science Observations |
| PICASSO-CENA |
Pathfinder Instrument for Cloud & Aerosol Spaceborne Obeservation - Climatologie Etendue des Nuages et des Aerosols |
| PICOSat |
Polymer Battery Experiment / Ionospheric Occulation Experiment / Coherent Electro Magnetic Radio Tomography / Optical Precision Platform Experiment - Satellite |
| PICS |
Partnerships, Innovation & Commercial Space |
| PICS |
Passive Inspection CubeSat |
| PID |
process identification document |
| PIDS |
Prime Item Document Specification |
| PIER |
Post Increment Evaluation Report |
| PIF |
port inboard forward |
| PIM |
Plasma Interaction Model |
| PIM |
Payload Intregration Manager |
| PIM |
Program Integration Manager |
| PIM |
Payload Integration Manager |
| PIMC |
Program/Institutional Management Council |
| PIMP |
passive intermodulation product |
| PIMS |
Payload Information Management System |
| PIMS |
Photoionisation Mass Spectrometer |
| PIMS |
principal investigator microgravity services |
| PIN |
Personal Identification Number |
| PIN |
p-type semiconductor, intrinsic semiconductor, n type semiconductor |
| PIN |
Product Identification Number |
| PIND |
particle impact noise detection |
| PIO |
Program Integration Office (JSC) |
| PIO |
Program Integration Office |
| PIO |
Public Information Office |
| PIP |
Premium Internet Protocol |
| PIP |
Process Improvement Project |
| PIP |
Payload Interface Processor |
| PIP |
payload integration plan |
| PIR |
Partner Interface Rack |
| PIR |
Program Implementation Review |
| PIRATE |
Payload Imagery Requirements & Transit Evaluation |
| PIRD |
Preliminary Interface Requirement Document |
| PIRN |
Preliminary Interface Revision Notice |
| PIRN |
Proposed Interface Revision Notice |
| PISat |
PESIT Imaging Satellite |
| PIT |
Payload Integration Team |
| PITL |
Processor In The Loop |
| PIU |
Payload Interface Unit (JLE) |
| PIU |
payload interface unit |
| PIUV |
Parallel Input Undervoltage Protection |
| PIV |
Personal Identification Verification |
| PIX |
Plasma Interaction Experiment |
| PIXIE |
particle-induce X-ray emission |
| PJ |
Pararescue Jumper |
| PKI |
Public Key Infrastructure |
| PL |
Postlanding |
| PL |
Payload |
| PL MDM |
Payload Multiplexer/Demultiplexer |
| PLA |
PayLoad Adapter |
| PLAR |
Post Launch Assessment Review |
| PLATO |
Planetary Transits & Oscillations of stars |
| PLB |
payload bay |
| PLC |
Postlanding Communications |
| PLC |
Programmable Logic Control |
| PLCC |
plastic leaded chip carrier |
| PLCU |
Payload Control Unit |
| PLD |
Payload |
| PLG |
Payloads Group |
| PLG |
Payload Group |
| PLI |
Propellant Liner Insulation |
| PLL |
phase-locked loop |
| PLL |
phase locked loop |
| PLOP |
Physical Layer Operations Procedure |
| PLOP |
physical layer operation procedure |
| PLR |
Parasitic Load Radiator |
| PLS |
Proximity Link System (HTV) |
| PLSS |
personal life support system |
| PLSS |
Portable Life Support System |
| PLT |
Payload Laptop Terminal (JEM) |
| PLUTO |
Plug-in-Port Utilization Officer |
| PM |
Phase Modulation |
| PM |
propulsion module |
| PM |
Pressurized Module |
| PM |
preventive maintenance |
| PM |
Pump Module |
| PM |
Program Manager |
| PM&P |
parts materials & processes |
| PMA |
Pressurised Mating Adaptor |
| PMA |
President's Management Agenda |
| PMA |
pressurized mating adapter |
| PMA |
President’s Management Agenda |
| PMAC |
payment milestone achievement certificate |
| PMAD |
power management & distribution |
| PMB |
Program Management Budget |
| PMB |
Performance Measurement Baseline |
| PMB |
Program Management Board |
| PMC |
Permanently Manned Capability |
| PMC |
Private medical conference |
| PMC |
Private Mediacl Conference |
| PMC |
Program Management Council |
| PMCA |
Power Management and Control Application |
| PMCA |
Photovoltaic Control Application |
| PMCA |
Power Management Control Application |
| PMCF |
product manufacturing & control file |
| PMCU |
Power Management and Control Unit |
| PMCU |
Panoramic Modular Camera Unit |
| PMD |
propellant management device |
| PMD |
permanent molecular deposition |
| PMEL |
Precision Measuring Equipment Laboratory |
| PMG |
Plasma Motor Generator |
| PMIC |
Payload Mission Integration Contract |
| PMIRR |
Pressure Modulated InfraRed Radiometer (on Mars Observer) |
| PML |
Phoenix Mars Lander |
| PMM |
Permanent Multipurpose Module |
| PMM |
Program Management Metrics |
| PMON |
parameter monitoring |
| PMOS |
P-channel metal oxide semiconductor |
| PMP |
Program Management Plan |
| PMP |
Point-to-Multipoint |
| PMP |
parts, materials & processes |
| PMP |
parts, materials, processes |
| PMP |
parts, materials, process |
| PMP |
project management plan |
| PMP |
Payload Mounting Panel |
| PMR |
Program Management Review |
| PMR |
Payload Management Review |
| PMR |
Payloads Mission Readiness |
| PMR#13 |
Payload Manager Review number 13 |
| PMS |
Performance Measurement System |
| PMSR |
Project Management Status Report |
| PMT |
PhotoMultiplier Tube |
| PMT |
Program Management Tool |
| PN |
Pseudo-Random Noise |
| PN |
probability (of occurrence) number |
| PNAR |
Preliminary Non-Advocate Review |
| PNCF |
Probability of No Catastrophic Failure |
| PNO |
Public Network Operator |
| PNP |
Preliminary Network Plan |
| PNP |
bipolar junction transistor with N-type base |
| PNPN |
deliberate or parasitic thyristor-like semiconductor structure (containing four, alternating P-type & N-type regions) |
| PNT |
Positioning, Navigation, and Timing |
| PNT |
Positioning, Navigation, & Timing |
| PO |
Purchase Order |
| PO |
Payload Operations |
| PO |
Portugese Oscar |
| PO |
Pansat Oscar |
| PO/CP |
Engineering Change Request / Change Proposal |
| POA |
Payload ORU Accommodation (MBS) |
| POA |
port outboard aft |
| POA |
payload/ORU accommodation |
| POC |
Point Of Contact |
| POC |
Payload Ops Center |
| POCB |
Payload Operations Control Board |
| POCC |
Project Operations Control Center (GSFC, JSC, MSFC) |
| POCC |
Payload Operations Control Center (JPL) |
| POCC |
Payload Operations Coordination Center |
| POCS |
Photo Optical Control System |
| POD |
Payload Operations Director |
| PODF |
Payload Operations Data File |
| PODSAT |
Payload Orbital Delivery Satellite |
| POEMS |
Prime Operated Enhanced Management System |
| POF |
port outboard forward |
| POGO |
Polar Orbiting Geophysical Observatory |
| POGS & SSR |
Polar Orbiting Geomagnetic Survey & Solid State Recorder |
| POH |
NASA Payload Operations Handbook |
| POIC |
Payload Operations Integration Center |
| POIC |
Payload Operations & Integration Center |
| POIF |
payload operations & integration function |
| POIP |
Payload Operations Integration Plan |
| POIS |
PSCNI Online Information Service |
| POLAR |
Polar Plasma Laboratory |
| POM |
polyoxymethylene |
| POMB |
Plant Operations Maintenance Branch |
| PONSFD |
Proximity Operations Nano-Satellite Flight Demonstration |
| POO |
Plumes Of Opportunity |
| POP |
Program Operating Plan |
| POP |
Period of Performance |
| POP |
payload operations plan |
| POPACS |
Polar Orbiting Passive Atmospheric Calibration Sphere |
| POR |
Program Operating Room |
| POS |
Position Hold |
| POSAR |
Payload Operations Status Analysis Review |
| POST |
power-on self-test |
| POWER |
Protecting Our Workers & Ensuring Reemployment Presidential Initiative |
| POWG |
Payload Operations Working Group |
| PP |
Program Plan |
| PP |
Processed Parameter |
| PP |
Planning Package |
| PP |
planning period |
| PP&C |
Program Planning & Control |
| PPA |
pump package assembly |
| PPA |
Pollution Prevention Act |
| PPAA |
planetary protection approval authority |
| PPAC |
parallel plate avalanche counter |
| PPBE |
Planning, Programming, Budgeting, & Execution |
| PPBE |
Planning, Programming, Budgeting, and Execution |
| PPC |
Private Psychological Conference |
| PPCR |
Planning Product Change Request |
| PPD |
Purified Protein Derivative (test) |
| PPDA |
Primary Power Distribution Assembly |
| PPE |
Personal Protective Equipment |
| PPE |
Personal Preference Electronics |
| PPF |
Payload Processing Facilities |
| PPFS |
Portable Pulmonary Function System |
| PPK |
Personal Preference Kit |
| PPL |
Pre-Programmed/Pre-Position Load |
| PPL |
load,Pre-Programmed/Pre-Position Load |
| PPL |
Pre-Positioned Load |
| PPM |
Positions & Proper Motions (catalog) |
| PPM |
Program Performance Metrics |
| PPMS |
Petal Position Measurement System |
| PPP |
Point-to-Point Proximity |
| PPR |
Program Planning Review |
| PPRA |
Positive Pressure Relief Assembly |
| PPS |
Packet Processing System |
| PPS |
Payload Planning System (MSFC) |
| PPS |
Precise Positioning System |
| PPS |
Precipitation Processing System |
| PPSB |
Payload Power Switching Box |
| PPT |
pulsed plasma thruster |
| PQM |
propulsion qualification model |
| PR |
Public Relations |
| PR |
Planning Request |
| PR |
Project Requirements |
| PR |
Precipitation Radar |
| PRA |
Probabilistic Risk Assessment |
| PRA |
Probabilistic Risk Analysis |
| PRA |
Project Reporting Attribute |
| PRACA |
Problem Report & Corrective Action |
| PRACA |
Problem Reporting and Corrective Action |
| PRB |
Peer Review Board |
| PRBS |
pseudo-random bit sequence |
| PRCB |
Program Requirements Control Board |
| PRCU |
Payload Rack Control Unit |
| PRD |
device,payload retention d. |
| PRD |
Resources Planning Division (OCFO) |
| PRD |
project requirements document |
| PRD |
project requirements documents |
| PRD |
Program Requirements Document |
| PRE |
performance reproducibility error |
| PREFIRE |
Polar Radiant Energy in the Far Infrared Experiment |
| PREMIER |
Programme de Retour d'Echantillons Martiens et Installation d'Expériences en Réseau |
| PRG |
Program and Resources Guidance |
| PRG |
Program Requirements Guidance |
| PRG |
Progress |
| PRG |
Program Requirement Guidelines |
| PRI |
Primary Rate Interface |
| PRI&BRI |
Primary and Basic Rate Interface |
| PRIME |
Precision Recovery Including Maneuvering Entry |
| PRISM |
Picosatellite for Remote-sensing & Innovative Space Missions |
| PRISMA |
Prototype Research Instruments & Space Mission technology Advancement |
| PRLA |
payload retention latch actuators |
| PRM |
Perigee Raising Manoeuvre |
| PRMD |
Private Management Domain |
| PRN |
Post-rotational Nystagmus |
| PRNU |
photo response non-uniformity |
| PRO |
Payload Rack Officer |
| PRO |
Primary Responsible Office (or Office of primary responsibility) |
| PROBA |
Project for On-Board Autonomy |
| PROCYON |
Proximate Object Close flyby with Optical Navigation |
| PRODEX |
PROgramme de Développement d'Expériences scientifiques |
| PROM |
programmable read-only memory |
| PROM |
programmable read only memory |
| PROP |
Propulsion engineer |
| PROX |
proximity operations |
| PROX |
Proximity communication system (ISS) |
| PROXI |
Proximity |
| PRP |
Personal Radiation Protection |
| PRR |
preliminary requirements review |
| PRR |
preliminary requirement review |
| PRS |
Personal Rescue Sphere |
| PRS |
P?rsonal Rescue Sphere |
| PRS |
PORTS Refurbishment System |
| PRT |
Perimeter Reflector Target |
| PR_CuNaR |
PPerto Rico CubeSat NanoRocks |
| PRoFILE |
Passive Radio Frequency Interference Location Experiment |
| PS |
Payload Specialist |
| PS |
Planning Set |
| PS |
pressurized section |
| PS |
Prostreishiy Sputnik |
| PSA |
Part stress analysis |
| PSA |
Pre-sleep and Post-sleep Activities |
| PSBR |
Proton Spectrometer Belt Research |
| PSC |
Program Support Communications |
| PSC |
Policy and Strategic Communications |
| PSC |
Polar Stratospheric Cloud |
| PSCN |
Program Support Communications Network |
| PSCNI |
PSCN Internet |
| PSCRD |
Program Support Communications Requirements Document |
| PSCS |
Personal Suit Cooling System |
| PSD |
power spectral density |
| PSE |
Programmable Serializer Equipment |
| PSE |
Program Systems Engineering |
| PSELFEXT |
Power Sum Equal Level Far-End Cross-Talk |
| PSF |
Point Spread Function |
| PSHS |
Public Safety and Homeland Security Bureau |
| PSK |
phase shift keying |
| PSL |
Propulsion Systems Laboratory |
| PSLA |
Project Service Level Agreement |
| PSM |
Power Slice Module |
| PSM |
Procurement Strategy Meeting |
| PSM |
Payload Software Manager |
| PSNEXT |
Power Sum Near End Cross-Talk |
| PSP |
Program Support Plan |
| PSP |
Parker Solar Probe |
| PSR |
Program Status Review |
| PSR |
Physical Sciences Research |
| PSR |
PulSaR |
| PSRP |
Payload Safety Review Panel |
| PSS |
Platform System Services |
| PSS |
Portable Spacecraft Simulator (GSFC) |
| PSS |
procedure standard specification |
| PSS |
Packet Switching System (MSFC) |
| PSSO |
Project System Security Officer |
| PSSO |
Programme/Project & Site Security Officer |
| PSSO |
Programme & Site Security Officer |
| PSTAR |
stopping power & range tables for protons |
| PSTN |
Public Switched Telephone Network |
| PSU |
Power Supply Board |
| PSU |
power switching unit |
| PT |
product tree |
| PT |
performance test |
| PTA |
Portable TDRSS Antenna |
| PTC |
Payload Training Capability |
| PTC |
parameter type code |
| PTC |
packet field type code |
| PTC |
Pacific Telecommunication Council |
| PTCS |
passive thermal control system |
| PTCSC |
Passive ITCS Control |
| PTD |
Pathfinder Technology Demonstrator |
| PTDR |
Payload Training Dry Run |
| PTFE |
polytetrafluoroethylene |
| PTFE |
polytetrafluroethylene |
| PTFE |
polytetrafluorethylene |
| PTH |
plated-through hole |
| PTH |
plated through hole |
| PTH |
power transfer harness |
| PTH |
platedthrough hole |
| PTLS |
Persistent TT&C using LEO Satcom |
| PTP |
Programmable Telemetry Processor |
| PTP |
Payload Tactical Plan |
| PTR |
post test review |
| PTR |
Port Thermal Radiator |
| PTT |
Part Task Trainer |
| PTT |
push-to-talk button |
| PTT |
Push to Talk |
| PTT |
Postal Telegraph and Telephone |
| PTU |
pan-tilt unit |
| PTV |
Pre-Transmission Verification |
| PU |
panel unit |
| PUC |
Power Utilities Commission |
| PUL |
portable utility light |
| PULSAUR |
Pulsating Aurora |
| PUM |
product user manual |
| PUMP |
Project Utilization Management Position |
| PUMP |
Pump Package |
| PUMPS |
Pump Sensors |
| PUNCH |
Polarimeter to Unify the Corona & Heliosphere |
| PUP |
Partner Utilization Plan |
| PUR |
Purple |
| PUS |
Packet Utilisation Standard |
| PV |
Photovoltaic |
| PV |
Procedure Verification |
| PVA |
photovoltaic array |
| PVC |
Premature Ventricular Contraction |
| PVC |
Permanent Virtual Circuit |
| PVC |
Permanent Virtual Circuits |
| PVCS |
Polytron Version Control System |
| PVCU |
photovoltaic control unit |
| PVD |
physical vapour deposition |
| PVDF |
polyvinylidene fluoride (Kynar) |
| PVF |
polyvinyl fluoride |
| PVL |
Product Verification List |
| PVM |
Pioneer Venus Multiprobe |
| PVM |
photovoltaic module |
| PVO |
Pioneer Venus Orbiter |
| PVP |
Payload Verification Plan |
| PVR |
photovoltaic radiator |
| PVT |
pressure-volume-temperature |
| PVT |
Position,Velocity,Time (state vector format) |
| PVTCS |
photovoltaic thermal control system |
| PW |
positive window |
| PWC |
Price Waterhouse Coopers |
| PWC |
Physical Work (Performance) Capacity |
| PWD |
Potable Water Dispenser |
| PWM |
pulse-width modulation |
| PWM |
pulse-width modulator |
| PWP |
portable work platform |
| PWR |
Pratt & Whitney Rocketdyne |
| PWR |
Payload Water Reservoir |
| PWS |
Portable Workstation |
| PYRO |
Pyrotechnic |
| PaCTS |
Payload Computer Test System File |
| Pan-STARRS |
USAF Panoramic Survey Telescope & Rapid Reporting System |
| Param |
parameter |
| PasComSat |
Passive Communication Satellite |
| Pegsat |
Pegasus Satellite |
| Peole |
Preliminaire Eole |
| PetitSat |
Plasma Enhancements in The Ionosphere-Thermosphere Satellite |
| Ph |
phase |
| PjM |
Project Manager |
| Pkg |
package |
| Pmax |
maximum power |
| Pneum |
pneumatic |
| Polar |
Polar Auroral Plasma Physics Spacecraft |
| Polar-Bear |
Polar Beacon Experiment & Auroral Research |
| Portcomm |
Portable Communications |
| Posat |
Portugese Satellite |
| Posn; pos |
position |
| Ppk |
process performance index |
| Ppm |
Parts Per Million |
| PrISMS |
Program Information Systems Mission Services |
| Pre-JORR |
Preliminary Joint Operation Readiness Review |
| Prep |
prepare,preparation |
| Preparatory |
Project or NPP |
| Press,P |
pressure |
| Pri,Prim |
primary |
| ProSEDS |
Propulsive Small Expendable Deployer System |
| Proc |
procedure |
| Procedure |
Development Support Software |
| Project |
instrument) |
| Proof cell |
Proof Pressure Cell |
| Pt |
point |
| PtP |
Progress to Plan |
| Pwr |
power |
| Pwrup |
powerup |
| Pyro |
pyrotechnics |
| Q |
Quarter |
| Q-DNRZ |
quaternary differential NRZ |
| QA |
Quality Assurance |
| QAR |
Qualification Acceptance Review |
| QARMAN |
QubeSat for Aerothermodynamic Research & Measurements on Ablation |
| QBSD |
full quadrant back scatter electron detector |
| QCI |
quality conformance inspection |
| QCM |
quartz crystal monitor |
| QCM |
quartz crystal microbalance |
| QD |
Quick Disconnect |
| QD |
disconnect,Quick Disconnect |
| QD |
Quick Disconnect (non-sealing) |
| QDM |
Quick Don Mask |
| QFN |
quad flat pack no leads |
| QFP |
quad flat pack |
| QL |
qualification test load |
| QM |
qualification model |
| QM |
Quality Manual |
| QML |
qualified manufacturer list |
| QML |
qualified manufacturers list |
| QMS |
Quality Management System |
| QPI |
Quality Performance Index |
| QPL |
qualified parts list |
| QPL |
qualified product list |
| QPMR |
Quarterly Program Management Review |
| QPSK |
Quadrature Phase Shift Key |
| QPSK |
quadrature phase shift keying |
| QQW |
Qi Qui Weixing |
| QR |
qualification review |
| QRA |
Quantitative Risk Assessment |
| QRR |
qualification review report |
| QSA |
Qualification Site Approval |
| QSAT-EOS |
Kyushu Satellite for Earth Observation System Demonstration |
| QSL |
qualification status list |
| QSO |
Quasi-Stellar Object |
| QSS |
Quantum Science Satellite |
| QTP |
qualification test plan |
| QTR |
Quarter |
| QUESS |
Quantum Experiments at Space Scale |
| QUIKSCAT |
Quick Scatterometer |
| QZSS |
Quasi-Zenith Satellite System |
| Qmax |
maximum heat transport capability |
| QoS |
Quality of Service |
| Qty |
quantity |
| QuARCS |
Quad Amateur Radio Communications Satellite |
| QuikSCAT |
Quick SCATerometer |
| QuikTOMS |
Quick Total Ozone Mapping Spectrometer |
| R |
Roll |
| R |
roentgen |
| R |
ratio of the minimum stress to maximum stress |
| R |
sunspot number |
| R |
redundant |
| R&A |
Research & Analysis |
| R&AD |
Research and Advanced Development |
| R&D |
Research and Development |
| R&D |
Research & Development |
| R&D |
R&D thrusters |
| R&MA |
Restraint & Mobility Aid |
| R&R |
Repair & Recovery |
| R&TTE |
radio & telecommunications terminal equipment |
| R-S |
receive-send |
| R-Z |
DDS Rover Zone |
| R/A |
return air |
| R/D |
receiver/demodulator |
| R/F |
refrigerator/freezer |
| R/T |
Real Time |
| R/Y/G |
Red/Yellow/Green |
| R2 |
Robonaut 2 |
| R2A |
A low nutrient bacterial medium with agar |
| RA |
Radar Altimeter |
| RA |
Right Ascension |
| RA |
ascension,right ascension |
| RAB |
Registration Accreditation Board |
| RAC |
Request for Attitude Change |
| RAC |
Remote Access Computer |
| RACE |
Radiometer Atmospheric CubeSat Experiment |
| RACE |
Rocket Auroral Correlator Experiment |
| RAD |
Radiation |
| RADAR |
RAdio Detection & Ranging |
| RADARSAT |
Radar Satellite |
| RADLAT |
radiation lot acceptance test |
| RADOSE |
Radiation Dosimeter Experiment |
| RAE |
Radio Astronomy Explorer |
| RAF |
Return All Frames |
| RAID |
Reports and Information Distribution |
| RAID |
Redundant Array of Independent Disks |
| RAIDS |
Remote Atmospheric and Ionospheric Detection System (HREP) |
| RAIF |
Research Aircraft Integration Facility |
| RAIU |
Russian audio interface unit |
| RAM |
Responsibility Assignment Matrix |
| RAM |
random access memory |
| RAM |
Radio Attenuation Measurement |
| RAM |
radiation area monitor |
| RAMPART |
Rapidprototyped Mems Propulsion & Radiation Test |
| RAMS |
reliability, availability, maintainability & safety |
| RAMS |
reliability, availability, maintenance & safety |
| RAMS |
reliability, availability, maintainability, safety |
| RANGE |
Ranging & Nanosatellite Guidance Experiment |
| RAP |
Robotics Alliance Project |
| RAPIS |
Rapid Innovative Payload Demonstration Satellite |
| RAPTR |
Remote Advanced Payload Test Rig (NASA) |
| RAR |
risk assessment report |
| RAS |
Royal Astronomical Society |
| RASC |
Royal Astronomical Society of Canada |
| RASCOM |
Regional African Satellite Communication |
| RASM |
Remote Access Scheduling Mailbox |
| RATE |
Radiant Teak |
| RAU |
Remote Actuator Unit |
| RAVAN |
Radiometer Assessment using Vertically Aligned Nanotubes |
| RB |
requirements baseline |
| RBAM |
Risk-Based Acquisition Management |
| RBD |
reliability block diagram |
| RBE |
relative biological effectiveness |
| RBG |
Robotics Group |
| RBI |
remote bus isolator |
| RBLE |
Radiation Belt Loss Experiment |
| RBLL |
Radiator Beam Launch Lock |
| RBSP |
Radiation Belt Storm Probes |
| RBSPICE |
Radiation Belt Science of Protons, Ions, Composition, & Electrons |
| RC |
rigidity Cut-off for geomagnetic shielding |
| RC |
resistor-capacitor |
| RCAR |
Requirements Change Assessment Report |
| RCB |
Risk Control Board |
| RCCA |
Root Cause Corrective Action |
| RCCB |
Reconfiguration Change Control Board |
| RCDR; Rcdr |
recorder |
| RCF |
Return Channel Frame |
| RCI |
Rodent Cage Interface (for SLS mission) |
| RCI |
Remote Control Interface |
| RCM |
RGA Control & Monitor |
| RCM |
Reliability Centered Maintenance |
| RCRA |
Resource Conservation and Recovery Act |
| RCS |
Radio Conference Sector/Subcommittee |
| RCS |
Radar Cross Section |
| RCS |
Reaction Control System |
| RCT |
Rover Control Station |
| RCT |
Rover Control Terminal |
| RD |
Reference Document |
| RDC |
relative damage coefficients |
| RDD |
Return Data Delay |
| RDM |
radiation design margin |
| RDR |
Radiator Deploy/Retract |
| RDS |
Russian Docking System |
| RDTE |
Research, Development, Testing and Evaluation |
| RDV |
Rendezvous |
| RE |
Ranging Equipment |
| RE |
radiated emission |
| RE |
Earth radius |
| REACH |
Registration, Evaluation, Authorisation & Restriction of Chemicals (European Regulation) |
| REACH |
registration, evaluation, authorisation of chemicals |
| REALM |
RFID Enabled Autonomous Logistics Management |
| REALOP |
Remote Experimentation & Analysis of Low Orbit Phenomena |
| RECONSO |
Reconnaissance of Space Objects |
| RECS |
Russian Equipment Control System |
| REDU |
ESA Satellite Ground Station in Redu Belgium |
| REG |
regulated electron gun |
| REM |
Roentgen/RAD Equivalent Man |
| REM |
Rat Enclosure Module (for SLS mission) |
| RENAISSANCE |
Reusable Network Architecture for Interoperable Space Science, Analysis, Navigation and Control Environments |
| REP |
Rendezvous Evaluation Pod |
| RER |
Receiver-Exciter Ranging |
| RES |
equivalent symbol rate |
| REST |
Representational State Transfer architecture |
| RET |
tether,retractable equipment t. |
| RET |
Rendezvous Evaluation Table |
| RETRY |
retry control word |
| REV |
Russian EVA operations (crew position) |
| REV |
Response Execution Verification |
| REX |
Radiation Experiment |
| REXS |
Radiation Experiments SatelliteRadar Imaging Satellite |
| RF |
Radio Frequency |
| RFA |
Request for Action |
| RFA |
request for approval |
| RFC |
Rotary Fluid Coupler |
| RFC |
Radio Frequency Compatibility |
| RFCP |
reduced fracture-control programme |
| RFD |
Reentry Flight Demonstration |
| RFD |
Request for Deviation |
| RFI |
Radio Frequency Interference |
| RFI |
Request for Information |
| RFID |
Radio Frequency IDentification |
| RFISS |
Radio Frequency Interference Surveillance System |
| RFNA |
Red Fuming Nitric Acid |
| RFP |
Request for Proposal |
| RFP |
Request For Proposals |
| RFQ |
Request for Quotation |
| RFQ |
request for quote |
| RFRR |
Russian Facility Readiness Review |
| RFS |
Request for Service |
| RFSA |
Russian Federal Space Agency |
| RFSOC |
Radio Frequency Simulations Operations Center |
| RFT |
reduced functional test |
| RFTA |
Recyclable Filter Tank Assemblies |
| RFTS |
Radio Frequency and Telemetry Station |
| RFTSat |
Radio Frequency Tag Satellitee |
| RFW |
Request for Waiver |
| RFW |
Request For Work |
| RGA |
rate gyro assembly |
| RGAC |
Radiator Goal Angle Calculation |
| RGPS |
Relative GPS |
| RGRT |
Remote Ground Relay Terminal |
| RGS |
Russian Ground Station |
| RGS |
Requirements Generation System |
| RGS |
reflection grating spectrometer |
| RH |
relative humidity |
| RHA |
radiation hardness assurance |
| RHC |
rotational hand controller |
| RHCP |
Right Hand Circular Polarization |
| RHEED |
Reflection High Energy Electron Diffraction |
| RHESSI |
Reuven Ramaty High Energy Solar Spectroscopic Imager (formerly: HESSI,High Energy Solar Spectroscopic Imager) |
| RHESSI |
Reuven Ramaty High Energy Solar Spectroscopic Imager |
| RHR |
right hand rule |
| RHS |
right handed system |
| RHU |
radiosisotope heater unit |
| RHX |
regenerative heat exchanger |
| RI |
Rack Interface |
| RI |
refractive index |
| RI&V |
Requirements Integration & Verification (For GS IPS PLs) |
| RIACS |
Research Institute for Advanced Computer Science |
| RIC |
rack interface controller |
| RIC |
Rack Interface Computer |
| RID |
Review Item Discrepancy |
| RID |
Requirement Input Document |
| RID |
Review Item Disposition |
| RID |
Review Item Discrepancy/Disposition |
| RIDM |
Risk-Informed Decision Making |
| RIDU |
Remote Interface Data Unit |
| RIE |
Rapid Improvement Events |
| RIN |
relative intensity noise |
| RIO |
Remote Interface Officer |
| RIO |
Russian Interface Officer |
| RIP |
Requirements Integration Panel |
| RIS |
remote triaxial sensor |
| RISAT |
Radar Imaging Satellite |
| RISC |
Reduced Instruction Set Computer |
| RISS |
Russian Inventory Stowage Specialist |
| RIU |
Remote Interface Unit |
| RIV |
Requirements, Integration & Verification |
| RJ |
jovian radius |
| RJF |
requirement justification file |
| RJOP |
Russian Joint Operations Panel |
| RKE |
relative knowledge error |
| RLCL |
retriggerable latching current limiter |
| RLEP |
Robotic Lunar Exploration Program |
| RLG |
Ring Laser Gyro |
| RLT |
RMS Laptop Terminal (JEM) |
| RLTF |
Rack Level Test Facility |
| RLV |
reusable launch vehicle |
| RLVCC |
RLV Control Center |
| RM |
Radiometer |
| RM |
Risk Management |
| RM |
Review Manager |
| RM |
Radiation Meteoroid |
| RM |
Research Module |
| RM1 ... RM3 |
Research Module 1,2,3 |
| RMA |
Reliability, Maintainability, Availability |
| RMAP |
remote memory access protocol |
| RMB |
Risk Management Board |
| RMC |
raw material certificate |
| RMCT |
Robot Micro Conical Tool (SPDA) |
| RMD |
Risk Management Database |
| RMDC |
Radiometric Data Conditioning |
| RME |
Random muscular exertion |
| RME |
Relay Mirror Experiment |
| RML |
residual mass loss |
| RML |
recovered mass loss |
| RMO |
Risk Management Officer |
| RMOC |
Remote Mission Operations Center |
| RMP |
Risk Mitigation Phase |
| RMP |
Risk Management Plan |
| RMPR |
Reliability & Maintainability Predictions Report |
| RMS |
Radiation Meteoroid Satellite |
| RMS |
Remote Manipulator System |
| RMS |
Root Mean Square |
| RMS |
relay cell |
| RMSA |
Rack Maintenance Switch Assembly |
| RMW |
read-modify-write |
| RMWG |
Risk Management Working Group |
| RN |
Release Note |
| RNGC |
Revised New General Catalog |
| RNase |
Ribonuclease |
| ROBUSTA |
Radiation on Bipolar Test for University Satellite Application |
| ROC |
Remote Operations Center |
| ROCC |
Eastern Range Operations Control Center |
| ROCSat |
Republic of China Satellite |
| ROD |
review of design |
| ROD |
review-of-design |
| RODF |
Russian Operations Data File |
| ROEU |
remotely operable electrical umbilical |
| ROEU |
Remotely Operated Electrical Umbilical |
| ROH1 |
IEC 61190-1-3 (2002) flux designation: rosin, high activation (≥ 2 % halide) |
| ROL0 |
IEC 61190-1-3 (2002) flux designation: rosin, very low activation (< 0,01 % halide) |
| ROL1 |
IEC 61190-1-3 (2002) flux designation: rosin, low activation (< 0,15 % halide) |
| ROM |
read-only memory |
| ROM |
read only memory |
| ROM/RAM |
read only memory / random access memory |
| ROS |
Russian Orbital Segment |
| ROSA |
Roll-Out Solar Array |
| ROSAT |
ROentgen SATellite |
| ROSES |
Research Opportunities in Space & Earth Science |
| ROTFL |
Rolling On The Floor Laughing |
| ROUS |
Rodents Of Unusual Size (I don't believe they exist) |
| RPC |
remote power controller |
| RPC(M) |
Remote Power Controller (Module) |
| RPCM |
remote power controller module |
| RPCS |
Robotics Planning & Control Station |
| RPDA |
remote power distribution assembly |
| RPDO |
receive PDO |
| RPE |
relative performance error |
| RPF |
robotics planning facility |
| RPFS |
Research Partnerships and Flight Support |
| RPM |
Revolutions Per Minute |
| RPOD |
Rendezvous, Proximity Operations, and Docking |
| RPOD |
Rendezvous, Proximity Operations & Docking |
| RPODU |
RPOD & Undocking |
| RPP |
rectangular parallelepiped |
| RPS |
Record and Playback Subsystem |
| RPS |
Relativistic Proton Spectrometer |
| RPS |
Radioisotope Power System |
| RPT |
Rocket Propulsion Testing |
| RPTA |
Rudder Pedal Transducer Assembly |
| RPU |
Receiver/Processor Unit |
| RPWG |
Research Planning Working Group |
| RQ |
Requirement |
| RQ; Reqrmt |
requirement |
| RR |
Readiness Review |
| RRF |
Risk Reduction Flight |
| RRM |
Robotic Refuelling Mission |
| RRPT |
review of design report |
| RRW |
rate random walk |
| RS |
Rohini Satellite |
| RS |
Radio Sputnik |
| RS |
Russian Segment |
| RS |
like in ESA-ISS-COL_SEC-RS-002 |
| RS |
Russian (on-orbit) Segment |
| RS |
Right Side |
| RS |
Relay Satellite |
| RS-25d |
Core Stage Engine (Pratt & Whitney Rocketdyne, Inc) |
| RSA |
Russian Space Agency |
| RSA |
Russian Aviation & Space Agency |
| RSAS |
Raytheon Space & Airborne Systems |
| RSC-E |
Rocket & Space Corporation Energia |
| RSC-E; RSCE,RSC E |
Rocket Space Corporation-Energia; RSC Energia |
| RSCC |
Russian Space Control Center |
| RSC–E |
Rocket Space Corporation–Energia |
| RSDO |
Rapid Spacecraft Development Office |
| RSEL |
Robotic Systems Evaluation Laboratory |
| RSK |
Recumbent Seat Kit |
| RSMM |
Russian Segment Mathematical Model |
| RSN |
Radio SuperNova |
| RSN |
Real Soon Now |
| RSP |
respiratory support pack |
| RSP |
resupply stowage platform |
| RSR |
resupply stowage rack |
| RSRB |
Reusable Solid Rocket Booster |
| RSRM |
Reusable Solid Rocket Motor |
| RSS |
reusable space system |
| RSST |
Russian Segment Support Team |
| RST |
Read Signal Tone |
| RSTF |
Russian segment training facility |
| RSU |
roller suspension unit |
| RT |
Remote Terminal |
| RT |
Rate |
| RTAS |
Boeing/Rocketdyne truss attachment system |
| RTAX |
A field programmable gate array on RSBP |
| RTC |
Real Time Combiner |
| RTC |
Return Trajectory Corrections |
| RTCC |
Real Time Computer Complex |
| RTDS |
Radar Tracking Density Satellite |
| RTE |
Reusable TE |
| RTEMS |
Real-Time Executive for Multiprocessor Systems |
| RTF |
Return to Flight |
| RTFM |
Russian Telemetry from Moscow |
| RTG |
Radioisotope Thermoelectric Generator |
| RTI |
Runtime Infrastructure |
| RTL |
register transfer logic |
| RTL |
ready to latch |
| RTLS |
Return to Launch Site |
| RTLS |
Return To Launch Site (Shuttle abort plan) |
| RTM |
requirement traceability matrix |
| RTMM |
Real Time Mission Monitor |
| RTN |
Return to Normal |
| RTN |
Return (Link) |
| RTOS |
Real Time Operating System |
| RTP |
Rohini Test Payload |
| RTR |
remote transmission request |
| RTS |
Robonaut Teleoperation System |
| RTS |
system,Range Tracking System (AFSS) |
| RTS |
Range Tracking System (AFSS) |
| RTS |
remote triaxial sensor |
| RTS |
Real Time System |
| RTT |
Research Transition Teams |
| RU |
Rigid Umbilical |
| RUC |
Rectangular Umbilical Connectors |
| RUD |
Rapid Unplanned Disassembly |
| RUD |
Rapid Unscheduled Disassembly |
| RUPS |
Recorder/Utility Processor System |
| RUPSM |
resource utilization planning & system models |
| RUST |
Remote User Scheduling Terminal |
| RV |
re-entry vehicle |
| RVAC |
response vector assurance criterion |
| RVCO |
RVE closeout |
| RVD |
Rendezvous & Docking |
| RVE |
rack volume equivalent |
| RVEs |
Rack Volume Equivalents |
| RVT |
Reference Vehicle Design |
| RW |
rework simulation |
| RWND; Rew |
rewind |
| RWS |
robotics workstation |
| RX |
receive |
| RXERR |
receive error control word |
| RXTE |
Rossi X-Ray Timing Explorer |
| RX_EN |
receive enable |
| RadFxSat |
Radiation Effects Satellite |
| RadHard |
radiation hardened |
| Radcal |
Radiation Calibration |
| Radcat |
Radar Calibration Target |
| Radsat |
Radiation Satellite |
| RainCube |
Radar In a CubeSat |
| Rbar |
radius vector |
| Rcd |
record |
| Rchs |
channel symbol rate |
| Rcv |
receive |
| Rcvd |
received |
| Rdy |
ready |
| ReMAP |
Research Maximization and Prioritization Task Force |
| Reflector |
Retro-reflector Ensemble For Laser Experiments, Calibration, Testing & Optical Research |
| Rel |
relative |
| Rel |
release |
| RelMo |
motion,relative motion (in plane) |
| RelMo |
Relative Motion (in plane) |
| Req |
require |
| Req |
request |
| Retro |
Retrorockets |
| Rev |
revolution |
| Rev |
review |
| Rev |
reverse:- |
| Rev. |
Revision |
| Rg |
resistance to ground |
| Ri |
insulation resistance |
| RoHS |
restriction of certain hazardous substances |
| RoHs |
restriction of the use of certain hazardous substances |
| Rodnik |
Rodnik water supply assembly |
| Roscosmos |
Russian Federal Space Agency |
| Rot |
rotation |
| RpK |
Rocketplane-Kistler |
| Rtn |
return |
| Rx |
receiver |
| S |
Scientific |
| S&B |
Storage & Backup |
| S&MA |
Safety & Mission Assurance |
| S&MA |
Safety and Mission Assurance |
| S-CUBE S3 |
Shootingstar Sensing Satellite |
| S-Z |
DDS Station Zone |
| S-band |
S-band subsystem |
| S.C. |
(AM0) solar constant at air mass 0 |
| S.C. |
solar constant |
| S/A |
Supplemental Agreement |
| S/A |
Solar array |
| S/C |
SpaceCraft |
| S/E |
Space-to-Earth |
| S/G |
Space-to-Ground |
| S/N |
signal to noise ratio |
| S/P |
Soyuz/Progress |
| S/S |
Space-to-Space |
| S/S |
Subsystem |
| S/W |
software |
| S0 |
Starboard Truss System 0 |
| S1P1 |
Starboard 1 Port 1 |
| S3 |
Small Secondary Satellite |
| S3P3 |
Starboard 3 Port 3 |
| S; Stbd |
starboard |
| SA |
Sample Acquisition, Processing, & Handling (drill for MSL) |
| SA |
System Administrator |
| SA |
Supplemental Agreement |
| SA |
Spacecraft Adapter |
| SA |
Sinoauricular node |
| SA |
Service Agreement |
| SA |
Single Access |
| SA |
Infrastructure Monitoring System (ColCC) |
| SA |
Spar Aerospace |
| SA |
solar array |
| SA |
Saturn Apollo |
| SA&R |
System Architecture and Requirements |
| SAA |
South Atlantic Anomaly |
| SAA |
Space Act Agreement |
| SAAM |
Space Act Agreement Maker |
| SABIA-Mar SAC E |
Satélites Argentino-Brasileño para Información Ambiental del Mar |
| SAC |
Senate Appropriations Committee |
| SAC |
Satelite de Aplicaciones Cientificas |
| SAC |
Satellite de Aplicaciones Cientificas |
| SAC-B/HETE |
Scientific Applications Satellite/High Energy Transient |
| SAC-C |
Satellite de Aplicaciones Cientificas |
| SAC-D |
Satellite de Aplicaciones Cientificas–D (Argentina) |
| SACI |
Satélite Científico |
| SACS |
SSRMS Arm Control Software |
| SAD |
solar array drive |
| SADA |
Solar Array Drive Assembly |
| SADM |
solar array drive mechanism |
| SAE |
Society of Automotive Engineers |
| SAEF |
Spacecraft Assembly and Encapsulation Facility |
| SAFER |
Simplified Aid for EVA Rescue |
| SAGA |
Solar Array Gain Augmentation (for HST) |
| SAGE |
Stratospheric Aerosol & Gas Experiment |
| SAGE |
strategic aerosol & gas experiment |
| SAIC |
Science Applications International Corporation |
| SAID |
Strategic Analysis & Integration Division |
| SAIL |
Shuttle Avionics Integration Lab |
| SAL |
Spread Around Liquid |
| SALMON |
Stand Alone Missions of Opportunity NRA |
| SALSAT |
Spectrum AnaLysis Satellite |
| SALT |
Spinsat Altimeter |
| SAM |
scanning acoustic microscopy |
| SAM |
scanning accoustic microscopy |
| SAM |
Stratospheric Aerosol Measurement |
| SAM |
SFA Attachment Mechanism (on JEM A/L table) |
| SAM |
scanning acoustic microscope |
| SAM-II |
second-generation space acceleration measurement system |
| SAMBA |
Satellite for Measurement of Background Anisotropies |
| SAMMI |
Standards-based Advanced Man-Machine Interface |
| SAMPEX |
Solar Anomalous and Magnetospheric Particle Explorer |
| SAMPEX |
Solar Anomalous & Magnetospheric Particle EXplorer |
| SAMS |
Space Acceleration Measurement System |
| SAMS |
Servicing and Maintenance System |
| SAMSON |
Space Autonomous Mission for Swarming & Geolocation with Nanosatellites |
| SAN |
Storage Area Network |
| SANA |
Space Assigned Numbers Authority |
| SAO |
Smithsonian Astrophysical Observatory |
| SAOCOM |
Satélite Argentino de Observación Con Microondas |
| SAP |
Stand-Alone Payload |
| SAP |
NASA’s Core Financial System |
| SAPPHIRE |
Stanford Audio Phonic Photographic Infra Red Experiment |
| SAR |
Search & Rescue |
| SAR |
Software Acceptance Review |
| SAR |
Schedule and Request |
| SAR |
Search and Rescue |
| SAR |
Synthetic Aperture Radar |
| SARA |
Satellite Amateur de Radio-Astronomie |
| SARA |
Satellite pour Astronomie Radio Amateur |
| SAREX |
Shuttle amateur radio experiment |
| SAREX |
Search & Rescue Exercise |
| SAREX |
Space Amateur Radio Experiment |
| SARJ |
solar alpha rotary joint |
| SARSAT |
Search and Rescue Satellite-Aided Trucking |
| SARSAT |
Search & Rescue Satellite Aided Tracking |
| SART |
Security Assessment & Report Team |
| SART |
Security Analysis & Response Team (sub-panel of ISS GSCB) |
| SAS |
Shuttle Avionics System |
| SAS |
Special Application Software |
| SAS |
Space Adaptation Syndrome |
| SAS |
Small Astronomy Satellite |
| SAS |
Space Activity Suit |
| SASSI2 |
Student Aerothermal Spectrometer Satellite of Illinois & Indiana |
| SAT |
Synthetic Aperture Telescope |
| SAT |
Strategic Astrophysics Technology |
| SATEC |
Satélite Tecnológico |
| SATMON |
Satellite Monitoring Tool |
| SAU |
Strategic Airspace Usage |
| SAVE |
(solstice MTPE instrument) |
| SAVIO |
Software and Avionics Integration Office |
| SAW |
solar array wing |
| SAX |
Satellite Astronomia Raggio-X |
| SB |
Storage Battery |
| SB |
solder bath float |
| SB |
Small Business |
| SB |
small body |
| SB/SDB |
Small Business/Small Disadvantage Business |
| SBA |
Sorbent Belt Assembly |
| SBAS |
Satellite-based Augmentation System (ESA) |
| SBC |
Single Board Computer |
| SBD |
Special Bus Design |
| SBDR |
Strategic Budget Decision Review |
| SBF |
start of broadcast frame |
| SBIR |
Small Business Innovative Research |
| SBIR |
Small Business Innovation Research |
| SBIRS-High |
Space Based Infra Red Sensor - High Altitude |
| SBIRS-Low |
Space Based Infra Red Sensor - Low Altitude |
| SBLO |
Small Business Liaison Officer |
| SBNg |
Software Bus Network - Gateway |
| SBP |
Systolic blood pressure |
| SBRS |
Santa Barbara Remote Sensing (Division of Raytheon) |
| SBS |
Satellite Business System |
| SBSS |
Space-Based Space Surveillance |
| SBT |
S-Band Transceiver |
| SBTS |
Sistema Brasilero de Telecomunicacoes por Satellite |
| SBU |
Sensitive But Unclassified |
| SC |
Spacecraft |
| SC |
Space Communications |
| SC |
Switching Center |
| SC |
short circuit |
| SC |
Security Critical |
| SC |
stress-corrosion |
| SC |
Statement of Capability |
| SCA |
Simulation Control Area |
| SCA |
Shuttle Carrier Aircraft |
| SCADA |
Supervisory Control & Data Acquisition |
| SCAMA |
Switching, Conferencing, and Monitoring Arrangement |
| SCAMP |
Supersonics Caustic Analysis & Measurement Program |
| SCAMPI |
standard CMMI appraisal method for process improvement |
| SCAP |
Shared Capacity Asset Program |
| SCAP |
Shared Capability Assets Program |
| SCAPE |
Self-Contained Atmospheric Protection Ensemble |
| SCAR |
Smoke, Clouds, and Radiation |
| SCARI |
Self Compensating All Reflection Interferometer |
| SCAT |
Spaceflight Cognitive Assessment Tool |
| SCATHA |
Spacecraft Charging At High Altitudes |
| SCAWG |
Space Communications Architecture Working Group |
| SCB |
Security Control Board |
| SCC |
stress-corrosion cracking |
| SCC |
space component coordination |
| SCC |
stress corrosion cracking |
| SCCIB |
Space Communications Coordination and Integration Board |
| SCCS |
Spaceport Command & Control System |
| SCD |
Satellite Ceintificus Development -(Brazilian Environ) |
| SCD |
Satelites de Coleta de Dados |
| SCDS |
Space Communications & Data Systems |
| SCE |
Store & Forward Selective Communication Experiment |
| SCE |
Spacecraft Command Encoder |
| SCEF |
stress-corrosion evaluation form |
| SCEM |
The Scientific Context for Exploration of the Moon, NRC Planetary Science report |
| SCENIC |
SCaN Compatibility Environment for Networks and Integrated Communications |
| SCET |
spacecraft elapsed time |
| SCEX |
Several Compatible Experiments using Rocket-borne Accelerator |
| SCF |
software configuration file |
| SCI |
scaleable coherent interface |
| SCID |
Spacecraft Identifier |
| SCIF |
Sensitive Compartmented Information Facility |
| SCIFER |
Souding of the Cleft Ion Fountain Energization Region |
| SCIO |
Space Communications Integration Office |
| SCIP |
SCaN Constellation Integration Project |
| SCIR |
Station Cargo Integration Review |
| SCISAT |
Scientific Satellites From Canada |
| SCM |
Space Operations Commercialization Manager |
| SCM |
Station Cargo Manifest |
| SCM |
Single Column Model |
| SCMB |
Space Communications Management Board |
| SCMM |
Space Communications Mission Model |
| SCNS |
Space Communications Network Services |
| SCO |
Space Communications Office |
| SCOE |
Special Checkout Equipment |
| SCOF |
SOP Checkout Fixture |
| SCORE |
Signal Communication Orbit Relay Experiment |
| SCP |
Station Communications Processor |
| SCP |
Standard Console Procedure |
| SCPB |
Space Communications Planning Board |
| SCPS |
Space Communications Protocol Standards |
| SCR |
Strip Chart Recorder |
| SCR |
Selective Catalytic Reduction |
| SCR |
Software Change Request |
| SCR |
SOMO Change Request |
| SCS |
Specialized Customer Services |
| SCS |
Scan Correlated Shift |
| SCS |
Small Communication Satellite |
| SCS |
Stabilization and Control System |
| SCSB |
Space Components Steering Board |
| SCSC |
Spacecraft Computer Support Center |
| SCSI |
Small Computer System Interface |
| SCT |
Schmidt-Cassegrain Telescope |
| SCTS |
SCaN Compatibility Test Set |
| SCU |
sync & control unit |
| SCUBA |
Self-Contained Under-Water Breathing Apparatus |
| SCWG |
Spacecraft Control Working Group |
| SCaN |
Space Communications & Navigation |
| SCaN |
Space Communications and Navigation |
| SCaN-Tesbed |
Space Communications & Navigation Testbed |
| SCaNCB |
Space Communications and Navigation Control Board |
| SD |
State Determination |
| SD |
Smoke Detector |
| SD2 |
NISN Service Design and Development |
| SDA |
Subcarrier Demodulator Assembly |
| SDB |
Small Disadvantaged Business |
| SDBP |
spacecraft data bus protocol |
| SDC |
Science Data Centre |
| SDC |
Shuttle Data Center |
| SDD |
Software Design Document |
| SDD |
Service Description Document |
| SDDF |
SW Design & Development Facility |
| SDDN |
Secure Data Distribution Network |
| SDDR |
System Detailed Design Review |
| SDE |
software development environment |
| SDES |
Solar Dynamic Energy System |
| SDF |
Software Development Facility |
| SDF |
start of data frame |
| SDFD |
Solar Dynamic Flight Demonstration |
| SDFR |
short-duration foot restraint |
| SDI |
Strategic Defense Initiative |
| SDI |
Solenoid Driver Input |
| SDIL |
Software Development Integration Laboratory |
| SDIL |
Software Development & Integration Laboratory (Houston) |
| SDIO |
Strategic Defense Initiative Organization (now BMDO) |
| SDIS |
Switched Digital Integrated Service |
| SDK |
software development kit |
| SDLC |
Synchronous data link control |
| SDM |
Solar Dynamic Module |
| SDM |
Space Debris Mitigation |
| SDM |
Separation and Distancing Module |
| SDMA |
Space Division Multiple Access |
| SDMS |
Secured DMS |
| SDMS |
Secure Document Management System |
| SDO |
Space Discovery Office |
| SDO |
Solar Dynamics Observatory |
| SDO |
Solenoid Driver Output |
| SDOF |
single degree of freedom |
| SDOM |
Station Development Operations Meeting |
| SDP |
Spin-plane Double Probe |
| SDP |
Special Defense Program |
| SDP |
Science Data Processing |
| SDPF |
Sensor Data Processing Facility |
| SDR |
Software Defined Radio |
| SDR |
System Design Review |
| SDR |
System Definition Review |
| SDRAM |
synchronous dynamic random access memory |
| SDRD |
Subcontractor Data Requirement List |
| SDS |
Satellite Data System |
| SDS |
Shuttle Drawing System |
| SDS |
Switched Data Service |
| SDSMP |
Space Data Standards Management Plan |
| SDSR |
Service Delivery Status Report |
| SDTO |
Station Development Test Objective |
| SDU |
service data unit |
| SE |
sensor enclosure |
| SE |
Systems Engineering |
| SE |
&I System Engineering & Integration |
| SE |
Solar Explorer |
| SE&A |
Systems Engineering and Architecture |
| SE&I |
Systems Engineering & Integration |
| SE&I |
System Engineering and Integration |
| SE&OI |
System Engineering & Operations Integration |
| SEA |
Scientist’s Expert Assistant |
| SEA |
Sun exclusion angle |
| SEAC4RS |
Southeast Asia Composition, Cloud, Climate Coupling Regional Study |
| SEAS |
Systems Engineering and Analysis Support |
| SEASTAR |
Commercial Data Buy Of Ocean Color Data |
| SEAT |
Safety Engineering Analysis and Test |
| SEATEST |
Space Environment Analog for Testing EVA Systems & Training |
| SEAWARS |
Seawater-Activated Release System |
| SEB |
single event burn-out |
| SEB |
Source Evaluation Board |
| SEBO |
single event burn-out |
| SEC |
Security |
| SEC |
Sun-Earth Connection |
| SECO |
Second Engine Cut-Off |
| SECOR |
Sequential Collation of Range |
| SECS |
Special Experimental Communication System |
| SED |
single event disturb |
| SEDR |
single event dielectric rupture |
| SEDS |
Small Expendable Deployer System |
| SEDS |
Students for the Exploration & Development of Space |
| SEDSAT |
Students For Exploration & Development Satellite |
| SEDSat |
Students for the Exploration & Development of Space Satellite |
| SEE |
single-event effect |
| SEE |
single event effects |
| SEE |
single event effect |
| SEE |
single level effect |
| SEE |
secondary electron emission |
| SEEA |
Software Error Effects Analysis |
| SEED |
Spacecraft Electrical Equipment Database |
| SEEDS |
Space Engineering Educational Satellite |
| SEER |
Support Engineering Evaluation Room |
| SEF |
spectral efficiency factor |
| SEF |
System Engineering Facility (GSFC) |
| SEF |
Sustaining Engineering Facility |
| SEFI |
single event functional interrupt |
| SEGR |
single event gate rupture |
| SEHE |
single event hard error |
| SEI |
Space Exploration Initiative |
| SEID |
Service Element Identification |
| SEL |
single-event latch-up |
| SEL |
Single Event Latching/Latchup |
| SEL |
single event latch-up |
| SELENE |
Selenological & Engineering Explorer |
| SELENE |
SELenological and ENgineering Explorer |
| SELV |
Small Expandable Launch Vehicle |
| SEM |
scanning electronic microscope |
| SEM |
scanning electron microscope |
| SEMAA |
Science Engineering Mathematics Aerospace Academy |
| SEMDA |
System Engineering,Modeling,and Design Analysis |
| SEMDA |
System Engineering,Modeling,& Data Analysis |
| SEMP |
Systems Engineering Management Plan |
| SENSE |
Space Environmental NanoSat Experiment |
| SEO |
Space Environment Officer |
| SEP |
Solar Energetic Particles |
| SEPE |
solar energetic particle event |
| SEPE |
solar energetic particle events |
| SEPS |
secondary electrical power system |
| SEPs |
solar energetic particles |
| SEQ_NUM |
sequence number |
| SER |
Savings Estimating Relationship |
| SEREP |
system equivalent reduction expansion process |
| SERF |
Software Engineering Research Facility |
| SERPENS |
Sistema Espacial para Realização de Pesquisa e Experimentos com Nanossatélites |
| SERS |
Space Erectable Radiator System |
| SERT |
Space Electric Rocket Test |
| SERTS |
Solar EUV Rocket Telescope & Spectrograph |
| SERVIS |
Space Environment Reliability Verification Integrated System |
| SES |
Senior Executive Service |
| SESAT |
Sibirian European Satellite |
| SESB |
single event snapback |
| SESP |
Space Experiment Support Program |
| SEST |
Swedish ESO Submillimeter Telescope |
| SET |
Space Environment Testbeds |
| SET |
Systems Engineering Team |
| SETAG |
Space Environment Test Alliance Group |
| SETI |
Search for ExtraTerrestrial Intelligence |
| SEU |
Structure and Evolution of the Universe |
| SEU |
single event upset |
| SEV |
Scout Evaluation Vehicle |
| SEWG |
Systems Engineering Working Group |
| SEWG |
System Engineering Working Group |
| SEWP |
Solutions for Enterprise-Wide Procurement |
| SEY |
secondary emission yield |
| SFA |
small fine arm |
| SFA |
Small Fine Arm (JEMRMS) |
| SFAC |
Space Flight Advisory Council |
| SFCA |
system flow control assembly |
| SFCG |
Space Frequency Co-ordination Group |
| SFCO |
Space Flight Crew Operations |
| SFMEA |
Software FMEA |
| SFOC |
Space Flight Operations Contract |
| SFOC |
Space Flight Operations Contract(or) |
| SFOF |
Space Flight Operations Facility |
| SFPP |
Space flight participant program |
| SFRM |
Student Flow Research Model |
| SFS |
Space and Flight Support |
| SFS |
Space & Flight Support |
| SFT |
system functional test |
| SFU |
Space Flyer Unit |
| SFW |
Subsonic Fixed Wing |
| SG |
Study Group (ITU-R) |
| SG |
general specification |
| SG 4 |
ITU-R Study Group 4 – Fixed Satellite Service |
| SG 7 |
ITU-R Study Group 7 – Science Services |
| SGANT |
antenna group |
| SGAS |
Second Guam Antenna System |
| SGDC |
Satélite Geoestacionário de Defesa e Comunicações Estratégicas |
| SGI |
Silicon Graphics Inc. |
| SGICD |
space-to-ground interface control document |
| SGL |
Space Ground Link |
| SGLS |
Satellite Ground Link System |
| SGLT |
Space-to-Ground Link Terminals |
| SGLT |
Space to Ground Link Terminal |
| SGM |
SafeGuard Memory |
| SGMT |
Simulation GMT |
| SGS |
Svalbard Ground Station (Norway) |
| SGS |
Solar Generation System |
| SGSS |
Space Network Ground Segment Sustainment |
| SGVS |
Space-to-Ground Voice System |
| SH |
Southern Hemisphere |
| SH&E |
Safety, Health and Environment |
| SHA |
system hazard analysis |
| SHARC |
Satellite for High Accuracy Radar Calibration |
| SHARES |
SHAred RESources |
| SHARP |
Slender Hypervelocity Aerothermodynamic Research Probe |
| SHC |
Structural Hazard Control |
| SHE |
Safety, Health and Environment |
| SHF |
super-high frequency (3 GHz-30 GHz) |
| SHF |
super high frequency, frequency from 3 GHz to 30 GHz |
| SHFE |
Space Human Factors Engineering |
| SHFT |
Space-based High Frequency Testbed |
| SHIELDOSE |
space shielding radiation dose calculations |
| SHM |
Structural Health Monitoring |
| SHO |
Scheduling Order |
| SHO |
Satellite Handover |
| SHP |
SharePoint |
| SI |
System Integration |
| SI |
Strategic Integration |
| SIA |
starboard inboard aft |
| SIAG |
Space Internetworking Architecture Group |
| SIC |
Support Identification Code (GSFC) |
| SIC |
Standard Industrial Classification |
| SICRAL |
Sistema Italiano per Comunicazioni Riservate ed Allarmi |
| SID |
Short Identifier |
| SID |
Sudden Ionospheric Disturbance |
| SIDEX |
Signal Identification Experiment |
| SIF |
starboard inboard forward |
| SIGF |
Solar Irradiance Gap Filler |
| SIGI |
Space Integrated GPS/INS |
| SIGMA |
Scientific cubesat with Instruments for Global magnetic field & radiation |
| SII |
Strategic Institutional Investments |
| SIIP |
Space Internetworking Infusion Project |
| SIL |
System Integration Laboratory |
| SIM |
Space Interferometer Mission |
| SIM |
Space Interferometry Mission |
| SIM |
Simulation |
| SIM SUP |
Simulation Supervisor |
| SIMBA |
Sun-earth Imbalance |
| SIMPL |
Satlet Initial-Mission Proofs & Lessons |
| SIMSS |
Scalable Integrated Multi-mission Simulation Suite |
| SINOD |
SRI International NanoSat Orbital Demonstration |
| SINSG |
SCaN Integrated Network Steering Group |
| SIOT |
System Integrated Operations Test |
| SIP |
SCaN Internship Project |
| SIP |
Standard Internet Protocol |
| SIP |
Support Increment Planner |
| SIP |
Space Interceptor Program |
| SIR |
System Integration Review |
| SIR |
Spaceborne Imaging Radar |
| SIR |
Shuttle Imaging Radar |
| SIR |
standard interface rack |
| SIRD |
Support Instrumentation Requirements Document |
| SIRTF |
Space Infrared Telescope Facility |
| SIRTF |
Space Infrared Telescope |
| SIRTF |
Space (formerly Shuttle) InfraRed Telescope Facility |
| SIS |
Science Information Services |
| SISO |
single input - single output |
| SISO |
single input - single output system |
| SITE |
Software Integration & Test Environment |
| SITF |
Space Infrared Telescope Facility |
| SITF |
Software Integration Testing Facility |
| SIUG |
Special Interest User Groups |
| SIV&V |
System Integration, Verification, and Validation |
| SIVQ |
Software Integration & Verification |
| SIVVP |
SCaN Integration Verification & Validation Plan |
| SJ |
Single Joint (mode) |
| SJ |
Shi Jian |
| SJEU |
SPDM Joint Electronics Unit |
| SJRM |
Single Joint Remote Manipulate |
| SK |
stationkeeping (NASA term vs. hold ESA term) |
| SKD |
orbit correction engine |
| SKIP |
skip control word |
| SKM |
space kinematic model |
| SL |
Spacelab |
| SL |
(Comet) Shoemaker-Levy |
| SL |
Senior Level |
| SL-ASTRO |
Spacelab - Astronomy |
| SL-ATLAS |
Spacelab - Atmospheric Laboratory for Applications & Science |
| SL-D |
Spacelab - Deutschland |
| SL-IML |
Spacelab - International Microgravity Laboratory |
| SL-J |
Spacelab - Japan |
| SL-LMS |
Spacelab - Life & Material Science |
| SL-M |
Spacelab - Mir |
| SL-MSL |
Spacelab - Material Science Laboratory |
| SL-SLS |
Spacelab - Space Life Science |
| SL-USML |
Spacelab - United States Microgravity Laboratory |
| SLA |
Service Level Agreement |
| SLA |
Spacecraft LM Adapter panels |
| SLAR |
Side-Looking Airborne Radar |
| SLC |
Space Launch Complex |
| SLC |
Scan Line Corrector |
| SLDCOM |
Satellite Launch Dispenser Communication |
| SLDPF |
Spacelab Data Processing Function |
| SLE |
Space Link Extension |
| SLES |
Spacecraft Life Extension System |
| SLF |
Shuttle Landing Facility |
| SLI |
Space Launch Initiative |
| SLM |
Structure Latch Mechanism |
| SLOC |
Single Line of Code |
| SLOC |
Source Lines of Code |
| SLP |
Spacelab pallet |
| SLP |
System Level Procedure |
| SLPP |
Summary Level Planning Package |
| SLPSRA |
Space, Life & Physical Sciences Research & Applications |
| SLPSRAD |
Space Life & Physical Sciences Research & Applications Division |
| SLR |
Satellite Laser Ranging |
| SLS |
Space Launch System |
| SLS |
Space(lab) Life Sciences |
| SLSD |
Space & Life Sciences Directorate (JSC) |
| SLSOV |
Sample Line Shut Off Valve |
| SLSS |
Shuttle Launch Support System |
| SLT |
System Laptop Terminal (JEM) |
| SLU |
Structure Latch Mechanism Unit |
| SM |
Service Module |
| SM |
Spectrum Management |
| SM |
Statistical Multiplexer |
| SM |
module,Service Module (CST-100) |
| SMA |
Semi-Major Axis |
| SMA |
Safety & Mission Assurance |
| SMA |
S-band Multiple Access (GSFC) |
| SMA |
Scan Mirror Assembly |
| SMA |
Sensor Module Assembly |
| SMA |
Science Monitoring Area |
| SMAC |
spacecraft maximum allowable concentration |
| SMAC |
System Monitor and Control |
| SMAF |
S-band Multiple Access Forward |
| SMAP |
Soil Moisture Passive and Active |
| SMAP |
Soil Moisture Active/Passive |
| SMAR |
S-band Multiple Access Return |
| SMART |
SCaN Management Automation Resources Tool |
| SMART |
Small Missions for Advanced Research in Technology |
| SMART |
Safety and Mission Assurance Review Team |
| SMART-1 |
Small Mission for Advanced Research & Technology |
| SMART-OP |
Stress Management & Resilience Training for Optimal Performance (on long duration missions) |
| SMARTsat |
Shape Memory Alloy Research Technology Satellite |
| SMC |
Small Magellanic Cloud |
| SMC |
Sciences Mission Directorate |
| SMC |
Strategic Management Council |
| SMC |
Sensor Management Council |
| SMC/TEL |
Space & Mission Command/Test & Evaluation Directorate |
| SMCC |
Service Module Central Computer |
| SMCDS |
Space Mission Communications and Data Services |
| SMCH |
Standard Mixed Cargo Harness |
| SMD |
Science Mission Directorate |
| SMD |
Space and Missile Defense |
| SMD JAT |
Space and Missile Defense Joint Analysis Team |
| SMDC-One |
Space Missile Defense Command - Operational Nanosatellite Effect |
| SMDC-TechSat |
Space Missile Defense Command - Technology Satellite |
| SMDL |
Simulation Model Definition Language |
| SMDP |
SM Debris Panels |
| SMDR |
Station Message Detail Reporting |
| SMDS |
Statistical Multiplexer Data System |
| SMDS |
Switched Multimegabit Data Service |
| SME |
Subject Matter Expert |
| SME |
Scan Mirror Electronics |
| SME |
Solar Mesosphere Explorer |
| SMEX |
SMall EXplorers |
| SMEX |
Small Explorer |
| SMG |
Spaceflight Meteorology Group |
| SMG |
Spectrum Managers’ Group |
| SMG |
Structures & Mechanisms Group |
| SMGM |
Spectrum Managers Group Meeting |
| SMILE |
Solar wind Magnetosphere Ionosphere Link Explorer |
| SMILES |
Superconducting Submillimeter-Wave Limb-Emission Sounder |
| SML |
FOD’s DDE Shared Model Library |
| SMM |
Solar Maximum Mission |
| SMMOD |
service module micrometeoroid & orbital debris shield |
| SMMR |
Scanning Multichannel Microwave Radiometer |
| SMO |
Space Medicine Office |
| SMO |
Systems Management Office |
| SMOS |
Soil Moisture & Ocean Salinity |
| SMP |
Security Management Plan |
| SMP |
System Management Policy |
| SMRSC |
Service Module RSC |
| SMS |
Safety & Mission Success |
| SMS |
Shuttle Mission Simulator |
| SMS |
Synchroneous Meteorological Satellite |
| SMS |
Space motion sickness |
| SMT |
Simulation Time |
| SMT |
Simulated Mission Time |
| SMTF |
Software Maintenance and Training Facility |
| SMTF |
Shuttle Mission Training Facility |
| SMTP |
Simple Mail Transport Protocol |
| SMTP |
simple mail transfer protocol |
| SMTS |
Space Missile Tracking System |
| SMU |
single word multiple-bit upset |
| SN |
Space Network |
| SN |
SuperNova (e.g., SN1987A) |
| SN/GN |
Space Network/Ground Network |
| SNA |
System Network Architecture |
| SNAFU |
Situation Normal All F**cked Up |
| SNAP |
Systems and Networks Architecture Project |
| SNAPS |
Stanford Nano Picture Satellite |
| SNAS |
Space Network Access System |
| SNAT |
Sun Attitude |
| SNC |
Sierra Nevada Corporation |
| SNCD |
Selected Non-Critical Data |
| SNE |
Space Network Expansion |
| SNGG |
Space Network Ground Segment Sustainment |
| SNGS |
Space Network Ground Segment |
| SNIP |
Space Network Implementation Plan |
| SNIP |
Space Network Interoperability Program |
| SNIPE |
Small scale magNetospheric & Ionospheric Plasma Experiment |
| SNIS |
Space Network IP Services |
| SNL |
Sandia National Laboratory |
| SNM |
Space Network Modernization |
| SNMP |
Simple Network Management Protocol |
| SNOE |
Student Nitric Oxide Explorer |
| SNQR |
Space Network Quarterly Review |
| SNR |
SuperNova Remnant |
| SNR |
Signal Noise Ratio |
| SNR |
Signal to Noise Ratio |
| SNU |
Solar Neutrino Units |
| SNUG |
Space Network User’s Guide |
| SNVCD |
Selected Non-Vital Command & Data |
| SNoOPI |
SSigNals of Opportunity P-band Investigation |
| SO |
Starshine Oscar |
| SO |
SEDS Oscar |
| SO |
Saudisat Oscar |
| SO |
Sunsat Oscar |
| SO |
Stikovchnoy Otsek |
| SOA |
Statement of Assurance |
| SOA |
starboard outboard aft |
| SOARS |
Spacecraft Orbital Anomaly Reporting System |
| SOARS |
Space Object Automated Reporting Systems |
| SOC |
Simulation Operations Center |
| SOC |
Science Operations Coordination |
| SOC |
Science Operations Center |
| SOC |
state of charge |
| SOC |
Security Operations Center |
| SOC |
Solar Orbiter Collaboration |
| SOC |
Space Operations Council |
| SOCB |
Space Operations Change Board — |
| SOCB |
Space Operations Control Board |
| SOCCRATES |
SW Only CEV Risk Reduction Analysis & Test Engineering Simulator |
| SOCRATES |
Space Optical Communications Research Advanced Technology Satellite |
| SOCRATES |
Signal of Opportunity Cubesat Ranging & Timing Experiments |
| SOD |
small outline device |
| SODA |
Space Operations Directive Agreement |
| SODF |
systems operations data file |
| SODF |
System Operations Data File |
| SODF |
Station Operations Data File |
| SOE |
Sequence of Events |
| SOE |
Standard of Excellence |
| SOEP |
Science Operations & Evaluation Plan |
| SOF |
starboard outboard forward |
| SOFIA |
Stratospheric Observatory for Infrared Astronomy |
| SOHO |
Solar Heliospheric Observer |
| SOHO |
Solar and Heliospheric Observatory |
| SOIC |
small outline integrated circuits |
| SOICAL |
Space Object Identification Calibration |
| SOIS |
spacecraft onboard interface services (from CCSDS) |
| SOIS |
spacecraft onboard interface services |
| SOLAR |
Solar Monitoring Observatory Facility |
| SOLAR |
NASA Site for Online Learning and Resources |
| SOLAR-A |
(Japanese solar research satellite) |
| SOLC |
Space Operations Learning Center |
| SOMD |
Space Operations Mission Directorate |
| SOMO |
Space Operations Management Office |
| SOMS |
Shuttle-Orbiter Medical System |
| SOMS |
Shuttle Orbiter Medical System |
| SONATE |
Solutus Nano atellite |
| SONET |
Synchronous Optical Network |
| SOOS |
Stacked Oscars On Scout |
| SOP |
Standard Operating Procedure |
| SOP |
System Operations Procedure |
| SOR |
Systems Operation Reference |
| SOR |
System Operation Reference document |
| SORCE |
Solar Radiation & Climate Experiment |
| SORCE |
Solar Radiation and Climate Experiment |
| SORD |
Support Operations Requirements Document |
| SORI |
Small ORU Robotics Interface |
| SORI LV |
SORI Launch Variant |
| SORR |
Stage Operations Readiness Review |
| SORR |
review,Stage Operations Readiness Review |
| SORTIE |
Scintillation Observations & Response of The Ionosphere to Electrodynamics |
| SOS |
Space Operations Service |
| SOS |
Science on a Sphere |
| SOS |
silicon-on-sapphire |
| SOS |
software operation support |
| SOS |
System of Systems |
| SOSC |
Space Operations Support Center |
| SOST |
Space Operations Streamlining Team |
| SOST |
Subcommittee on Ocean Science & Technology |
| SOT |
small outline transistor |
| SOTA |
Special Operations and Testing Area |
| SOW |
State of Work |
| SOW |
statement of work |
| SP |
Solar Probe |
| SP |
System Processor |
| SP |
SharePoint |
| SP&M |
Special Projects and Missions |
| SP&OD |
Suborbital Projects and Operations Directorate |
| SP-L |
split phase-level |
| SPA |
Shuttle Processing Area |
| SPA |
software product assurance |
| SPACE-HAUC |
Science Program Around Communication Engineering with High Achieving Undergraduate Cadres |
| SPADES |
Solar Perturbation of Atmospheric Density Experiment Satellite |
| SPADEX |
Space Docking Experiment |
| SPAICE |
SPAce Infrastructure Computer gEneration |
| SPAMR |
software product assurance milestone report |
| SPAN |
Spacecraft Analysis Manager |
| SPAN |
Space Physics Analysis Network |
| SPAN |
Space Physics & Analysis Network |
| SPAN |
Spacecraft Analysis (manager) |
| SPAN |
Spacecraft Analysis (JSC) |
| SPAP |
software product assurance plan |
| SPAR |
Space Processing Application Rocket |
| SPARC |
Space Plug-and-play Architecture Research Cubesat |
| SPARCLE |
Space Readiness Coherent Lidar Experiment |
| SPARCS |
Star-Planet Activity Research CubeSat |
| SPARTAN |
Station Power |
| SPAS |
Shuttle Palette Satellite |
| SPAS |
Shuttle Pallet Satellite |
| SPASE |
Small Payload Access to Space Experiment |
| SPC |
Signal Processing Center |
| SPC |
Standard Processing Computers |
| SPCB |
Scan Program Change Board |
| SPCD |
Secondary Power Conversion & Distribution |
| SPD |
Space Product Development |
| SPDA |
secondary power distribution assembly |
| SPDE |
Secondary Power Domain Electronics |
| SPDG |
Space Product Development Group |
| SPDM |
special purpose dexterous manipulator (system) |
| SPDM |
Special Purpose Dextrous Manipulator |
| SPDM |
special purpose dexterous manipulator |
| SPDMS |
Shuttle Processing Data Management System |
| SPE |
special pressurized equipment |
| SPE |
solar particle event |
| SPE |
solar particle events |
| SPE |
static phase error |
| SPEA |
Solar Pressure Equilibrium Attitude |
| SPEAR |
Space Power Experiment aboard Rocket |
| SPEC |
Spectrometer |
| SPECTRE |
Student Run Program for Exoatmospheric Collection Technologies Rocket Experiment |
| SPEL |
synthetic parameter expression language |
| SPENVIS |
Space Environment Information System |
| SPF |
Service Providing Facilities |
| SPF |
Space Power Facility |
| SPF |
Software Production Facility |
| SPG |
Strategic Planning Guidance |
| SPG |
single point ground |
| SPHERES |
Synchronized Position Hold, Engage, Reorient, Experimental Satellites |
| SPHINX |
Space Plasma High-Voltage Interaction Experiment |
| SPI |
Schedule (Work) Performance Index |
| SPI |
Spectrometer on INTEGRAL |
| SPICE |
Space Program Integrated Contract Environment |
| SPIDR |
Spectroscopy & Photometry of the Intergalactic Medium's Diffuse Radiation |
| SPIE |
Spacecraft Payload Integration Evolution |
| SPIF |
Shuttle POCC Interface Facility |
| SPIF-RS |
SPIF – Replacement System |
| SPINR |
Spectrograph for Photometric Imaging with Numeric Reconstruction |
| SPIP |
SSP’s Process Integrity Plan |
| SPIP |
Station Program Implementation Plan |
| SPIP |
Spacecraft Program Implementation Plan |
| SPIP |
Strategic Program Implementation Plan |
| SPIRALE |
Système Préparatoire Infra-Rouge pour l'Alerte |
| SPIRIT |
Student Project Involving Rocket Investigation Techniques |
| SPIRIT |
Space Infra-Red Imaging Telescope |
| SPIS |
spacecraft plasma interaction simulation |
| SPK |
Sredstvo Peredvizheniya Kosmonavtov |
| SPL |
sound pressure level |
| SPLC |
Standard Payload Computer |
| SPM |
Service Performance Metrics |
| SPMC |
Software Production Management & Control (JPL) |
| SPN |
Station Program Note |
| SPO |
Shuttle Program Office |
| SPO2 |
O2 Saturation |
| SPOC |
Space Program Operations Contract |
| SPOC |
Shuttle Payload of Opportunity Carrier |
| SPOE |
Standard Payload Outfitting Equipment |
| SPORT |
Scintillation Prediction Observations Research Task |
| SPOT |
Satellite Pour l’Observation de la Terre |
| SPOT |
Satellite Pour l'Observation de la Terre |
| SPP |
Solar Power Platform |
| SPP |
Scientific Passenger Pod |
| SPP |
science power platform |
| SPP |
Solar Probe Plus |
| SPP |
SCaN Program Plan |
| SPR |
Software Problem Report |
| SPR |
System Problem Report |
| SPR-Db |
System Problem Reporting Database |
| SPROUT |
Space Research On Unique Technology |
| SPRdb |
System Problem Report data base |
| SPS |
SM Propulsion System |
| SPS |
Solar Power Satellite |
| SPS |
Spectrum Planning Subcommittee (under the IRAC) |
| SPS |
Service Planning Segment |
| SPSR |
Service Planning Segment Replacement |
| SPSR |
spectroreflectometer |
| SPT |
System Performance Test |
| SPT |
stationary plasma thruster |
| SPTR |
Starboard Port Thermal Radiator |
| SPTR |
South Pole TDRS Relay |
| SPU |
Sample Processing Unit (CSLM) |
| SPV |
single-pressure vessel |
| SPaH |
Sample Acquisition, Processing, & Handling (drill for MSL) |
| SPjM |
Sub-Project Managers |
| SQIF |
Superconducting Quantum Interference Filter |
| SR |
Special Relativity |
| SR |
Sun Ray |
| SR |
Space Radiation |
| SR |
Senior Review |
| SR |
Sunrise |
| SR |
Service Request |
| SR |
Support Requirements |
| SR&MA |
Safety, Reliability, & Mission Assurance |
| SR&Q |
Safety, Reliability, & Quality |
| SR&T |
Supporting Research & Technology |
| SRA |
Sequential Ranging Assembly |
| SRAM |
static random access memory |
| SRATS |
Solar Radiation & Thermospheric Satellite |
| SRB |
Standing Review Board |
| SRB |
Senior Review Board |
| SRB |
booster,Solid Rocket Booster (LV) |
| SRB |
Solid Rocket Booster |
| SRB-SEP |
solid rocket booster separation |
| SRC |
Sample Return Capsule |
| SRCS |
Standardized Remote Channel Switch |
| SRD |
System (or Subsystem) RequirementsDocument |
| SRD |
Systems Requirements Document |
| SRDB |
Satellite Reference Database |
| SRDS |
Support Requirements Data Set |
| SRE |
Space Capsule Recovery Experiment |
| SREM |
Standard Radiation Environment Monitor |
| SRET |
Satellite des Recherches et d'Etudes Technologiques |
| SRF |
stellar reference frame |
| SRF |
sensing reference frame |
| SRG |
Stirling Radioisotope Generator |
| SRH |
Shoulder Roll Held (control algorithm) |
| SRL |
Space Radar Laboratory |
| SRM |
Solid Rocket Motor |
| SRMS |
Shuttle remote manipulator system |
| SRMSAT |
Sri Ramaswamy Memorial Satellite |
| SRO |
Software Release Order |
| SROSS |
Streched Rohini Satellite Series |
| SRP |
Space Radio Project |
| SRPM |
Sun Reference Pointing Mode |
| SRR |
System Requirement Review |
| SRR |
System Readiness Review |
| SRRC |
square-root raised-cosine |
| SRRE |
Search Rescue and Recovery Element |
| SRS |
Supplemental Reboost System |
| SRS |
Systems Requirements Specification |
| SRS |
Software Requirements Specification |
| SRS |
Space Research Service |
| SRS |
shock response spectrum |
| SRS |
Service Request System |
| SRT |
System Readiness Test |
| SRTM |
Shuttle radar topography mission |
| SRTM |
Space Radar Topography Mission |
| SRTT |
Short Range Reflector Target |
| SRW |
Subsonic Rotary Wing |
| SRWS |
Simulated Robotic Workstation |
| SS |
Scientific Satellite |
| SS |
Space Shuttle |
| SS |
Shutter Speed |
| SS7 |
Signaling System 7 |
| SSA |
SITE Simulation Assembly |
| SSA |
Symbol Synchronizer Assembly |
| SSA |
S-band Single Access |
| SSAF |
S-band Single Access Forward |
| SSAR |
S-band Single Access Return |
| SSAR |
System Safety Analysis Report |
| SSAS |
segment-to-segment attachment system |
| SSAS |
Service Scheduling Applications Software |
| SSAT |
Sector Shielding Analysis Tool |
| SSB |
Soft Stowage Bag |
| SSB |
space studies board |
| SSBRP |
Space Station Biological Research Project |
| SSBUV |
Shuttle Solar Backscatter Ultraviolet |
| SSC |
Swedish Space Corporation |
| SSC |
Station Support Computers |
| SSC |
Station Support Computer |
| SSC |
Stennis Space Center |
| SSCB |
Space Station Control Board |
| SSCC |
Space Station Control Center |
| SSCCD-O |
Space Station Configuration Control Document - On-Orbit |
| SSCD |
Space Station Change Directive |
| SSCM |
Space Station Change Memo |
| SSCS |
space-to-space communication system |
| SSD |
Solar Sail Demonstration |
| SSDR |
Subsystem/Software Design Review |
| SSDS |
Service Supplied Diving System |
| SSE |
Space Station Eyewash |
| SSE |
Space Science Enterprise |
| SSE |
Small fine arm Storage Equipment (JEF) |
| SSE |
Solar System Exploration |
| SSEO |
Solar System and Earth-Observing |
| SSEO |
Space Science and Earth Observation |
| SSEO |
Space Science and Earth Observing |
| SSETI-Express |
Student Space Exploration & Technology Initiative - Express |
| SSF |
Support Service Facilities |
| SSF |
Space Station Fred (er, Freedom) (Superseded by ISS) |
| SSF |
System Support Facility |
| SSFDR |
Subsystem/Software Functional Design Review |
| SSFO |
Space Shuttle Flight Office |
| SSG |
Space Systems Group (old term, now SSS) |
| SSH |
Secure Shell Protocol |
| SSHA |
subsystem hazard analysis |
| SSI |
Server Side Include |
| SSI |
Space Studies Institut |
| SSI |
Solid-State Imager (on Galileo) |
| SSIPC |
Space Station Integration & Promotion Center |
| SSK |
surface sampler kit |
| SSL |
Secure Socket Layer |
| SSL |
Secure Socket Layers |
| SSLA |
Space Station Light Assembly |
| SSM |
space system model |
| SSM |
second surface mirror |
| SSM/I |
Special Sensor Microwave/Imager |
| SSMB |
Space Station Manned Base |
| SSMDM |
Standard Space Station MDM |
| SSME |
Space Shuttle Main Engine |
| SSMMU |
Solid State Mass Memory Unit |
| SSNSAP |
source subnetwork service access point |
| SSO |
Source Selection Official |
| SSO |
Space Shuttle Orbiter |
| SSO |
Safety Significant Operations |
| SSORD |
space segment operability requirements document |
| SSOT |
Sistema Satelital para Observación de la Tierra |
| SSP |
Solar Sail Sub Payload Soraseiru Sabupeiro-do |
| SSP |
Space Station Program |
| SSP |
Space Shuttle Program |
| SSPCB |
Space Station Program Control Board |
| SSPCM |
solid-state power control module |
| SSPF |
Space Station Processing Facility |
| SSPO |
Space Shuttle Program Office (JSC) |
| SSPS |
Sky Survey Prototype System |
| SSR |
Satelites de Sensoriamento Remoto |
| SSR |
Solid State Recorder |
| SSR |
Satellite Situation Report |
| SSR |
(Digital) Solid State Recorder |
| SSR |
Smart Switch Router |
| SSR |
Bus loss Subsystem Recovery |
| SSRE |
Search Rescue and Recovery Element |
| SSRML |
Safety, Reliability, Maintainability, & Logistics |
| SSRMS |
Space Station Remote Manipulator System |
| SSRT |
Single Stage Rocket Technology |
| SSS |
Space Systems Subcommittee (under the IRAC) |
| SSS |
Sea Surface Salinity |
| SSS |
Small Scientific Satellite |
| SSSR |
space-to-Space-Station radio |
| SST |
Spitzer Space Telescope |
| SST |
SuperSonic Transport |
| SST |
Spectroscopic Survey Telescope |
| SSTF |
Space Station Training Facility |
| SSTO |
Single Stage To Orbit |
| SSU |
Space Shuttle Upgrades |
| SSU |
Subsatellite Unit |
| SSU |
sequential shunt unit |
| SSUM |
space segment user manual |
| SSV |
Space Service Volume |
| SSVTF |
Space Station Verification & Training Facility |
| ST |
Space Technologies |
| ST |
Senior Scientific and Technical |
| ST |
Singapore Thailand |
| ST |
Space Technology |
| ST |
Space Telescope |
| ST-DCF |
Hubble Space Telescope-Data Capture Facility |
| ST7 |
Space Technology 7 mission |
| ST; S TKR |
star tracker |
| STA |
Shuttle Training Aircraft |
| STA |
Structural Test Article |
| STACEM |
Sttudent Academic Environmental Monitoring |
| STADAN |
Satellite Tracking and Data Acquisition Network |
| STANDBY |
standby control word |
| STARDUST |
Space Dust Analysis Mission |
| STARE |
Space-Based Telescope for the Actionable Refinement of Ephemeris |
| STARLink |
Satellite Telemetry & Return Link |
| STARS |
Space Tethered Autonomous Robotic Satellite |
| STATUS |
status field |
| STB |
SCaN Testbed |
| STC |
star camera |
| STCR |
Starboard Thermal Control Radiator |
| STD |
Standard Technical Design |
| STDN |
Spaceflight Tracking and Data Network |
| STE |
Secure Telephone Equipment |
| STEDI |
Student Explorer Demonstration Initiative |
| STEM |
Science, Technology, Engineering, & Mathematics (Education) |
| STEM |
Science, Technology, Engineering and Mathematics |
| STENSAT |
Stenhouse Satellite |
| STEP |
Space Test Experiment Platform |
| STEP |
Space Test Experimental Platform |
| STEP Cube Lab |
Space Technology Experimental Projects CubeSat Laboratory |
| STEREO |
Solar TErrestrial RElations Observatory |
| STEX |
Sensor Technology Experiment |
| STF |
Simulation to Flight |
| STGT |
Second Tracking and Data Relay Satellite System Ground Terminal |
| STI |
Scientific and Technical Information |
| STI |
Scientific & Technical Information |
| STIC |
Scientific and Technical Information Center |
| STIS |
Space Telescope Imaging Spectrometer (to replace FOC & GHRS) |
| STK |
Satellite Tool Kit |
| STL |
Station Training Lead |
| STM |
structural model |
| STM |
structural-thermal model |
| STM |
structural thermal model |
| STM |
star mapper |
| STMD |
Space Technology Mission Directorate |
| STMSat |
Saint Thomas More Satellite |
| STOCC |
Space Telescope Operations Control Center (formerly: HSTOCC,HST Operations Control Center) |
| STOL |
Spacecraft Test and Operations Language |
| STP |
Space Test Program |
| STP |
Solar Terrestrial Probes |
| STP |
Short Term Plan |
| STP |
SCaN Transition Plan |
| STPS |
Software Telemetry Processing System |
| STPSat |
Space Test Program Satellite |
| STR |
Starboard Thermal Radiator |
| STR |
star tracker |
| STRATOS |
Safeguarding Thermal Resources Avionics Telecommunications Operations Systems |
| STRB |
Safety Technical Review Board (CCP) |
| STRCS |
Space Transportation Reimbursable Cost System |
| STRG |
Space Technology Research Grants Program |
| STRM |
Storage Manager |
| STRR |
S/W Transition Readiness Review |
| STRS |
Space Telecommunications Radio System |
| STRV |
Space Technology Research Vehicle |
| STRaND |
Surrey Training Research & Nanosatellite Demonstrator |
| STS |
Synchronous Transport Signal |
| STS |
Shuttle Transport System (or) Space Transportation System |
| STS |
Space Transportation System |
| STSAT |
Science & Technology Satellite |
| STSDAS |
Space Telescope Science Data Analysis System |
| STSS |
Space Tracking & Surveillance System |
| STScI |
Space Telescope Science Institute |
| STTR |
Small business Technology Transfer |
| STTR |
Small Business Technology Transfer Program |
| STTW |
Shiyan Tongbu Tongxing Weixing |
| STU |
Secure Telephone Unit |
| STV |
Soyuz transport vehicle |
| STV |
Satellite Test Vehicle |
| STVC |
Small fine arm TV Camera (JEMRMS) |
| STel |
Stanford Telecommunications Corporation |
| SU |
Setup |
| SUBS |
Subsequent Flights |
| SUCCESS |
Subsonic Contrails and Clouds Effects Special Study |
| SUCHAI |
Satellite of the University of Chile for Aerospace Investigation |
| SUP |
Standard Utility Panel |
| SUPP |
Suppressed |
| SUPRWG |
SCaN Users Plans and Requirements Working Group |
| SV |
Space Vehicle |
| SV |
State Vector |
| SV |
Software Variable |
| SV |
Schedule (Work) Variance |
| SV |
small cavity |
| SVA |
Svalbard |
| SVC |
Switched Virtual Circuit |
| SVC |
Switched Virtual Circuits |
| SVEL |
Service Element |
| SVF |
software validation facility |
| SVF |
Software verification facility |
| SVLBI |
Space Very Long Baseline Interferometry |
| SVMF |
Space Vehicle Mock-up Facility |
| SVO |
Special Vehicle Operations |
| SVS |
Switched Voice Service |
| SVS |
space vision system |
| SVSA |
Single void supply assembly |
| SVT |
Science Verification Test |
| SVT |
System Validation Test |
| SVT |
Supraventricular Tachycardia |
| SVTL |
safety verification tracking log |
| SVU |
SAP Version Upgrade |
| SW |
Software |
| SW |
Space Wing |
| SWAP |
Size, Weight, and Power |
| SWAPRA |
South West Aerospace Professional Representatives Association |
| SWAS |
Submillimeter Wave Astronomy Satellite |
| SWCB |
Software Control Board |
| SWE |
software engineering |
| SWEA |
Solar Wind Electron Analyzer |
| SWEU |
Software Exchangeable Unit |
| SWF |
ShortWave Fading |
| SWFO-L1 |
Space Weather Follow-On - Lagrange 1 |
| SWG |
Sub-Working Group |
| SWIA |
Solar Wind Ion Analyzer |
| SWIR |
Short Wave Infrared |
| SWOP |
Software Operational Program |
| SWOT |
Surface Water & Ocean Topography |
| SWPA |
Software Product Assurance |
| SWRU |
Software Replaceable Unit |
| SWS |
secondary working standard |
| SWSI |
Space Network Web Services Interface |
| SXS |
High-Resolution Soft X-Ray Spectrometer |
| SYH |
Shoulder Yaw Held (control algorithm) |
| SYNC |
synchronisation object |
| SYNCH |
data bus system synchronization signal |
| SYS |
System |
| SYSCON |
Systems Controller |
| SZA |
Solar Zenith Angle |
| Safir |
Satellite for Information Relay |
| Samos |
Satellite & Missile Observation System |
| Satcom |
Satellite Communication |
| SaudiSat |
Saudi Arabian Satellite |
| SciSat |
Science Satellite |
| SeaWiFS |
Sea-viewing Wide Field-of-view Sensor |
| SeeMe |
Space Enabled Effects for Military Engagements |
| Sel |
select |
| Seq |
sequence |
| SerDes |
serialiser-deserialiser |
| Sf |
safe |
| Shutdn |
shutdown |
| Si, |
SiGe silicon, silicon germanium |
| Sig |
signal |
| Signe |
Solar Interplanetary Gamma Ray Neutron Experiment |
| SimSat |
Simulated Satellite |
| Sirio |
Satellite Italiano ricerca industriale orientato |
| Sloshsat-FLEVO |
Sloshsat Facility for Liquid Experimentation & Verification in Orbit |
| Snapshot |
Space Nuclear Auxiliary Power Shot |
| Snsr |
sensor |
| SoI |
Summer of Innovation |
| SolO |
Solar Orbiter |
| Solarmax |
Solar Maximum Mission |
| Soln |
solution |
| SoloHI |
Solar & Heliospheric Imager |
| Solrad |
Solar Radiation |
| Solwind |
Solar Wind |
| SpG/SG |
Specific Gravity |
| SpO2 |
O2 Saturatio |
| SpW |
SpaceWire |
| SpaceFOM |
Space domain FOM (SISO-STD-018-2020) |
| SpaceX |
Space Exploration & Technology |
| Sparta |
Special Anti-Missile Research Tests, Australia |
| Spartan |
Shuttle Pointed Autonomous Research Tool for Astronomy |
| Spect |
spectrometer |
| Sply |
supply |
| Spot |
Satellite Probatoire de l'Observation de la Terre |
| Squirt |
Satellite Quick Research Testbed |
| Star-Rad |
Starfish Radiation |
| Starlette |
Satellite de Taille Adaptée avec Réflecteurs Laser por les Etudes de la Terre |
| Starshine |
Student Tracked Atmospheric Research Satellite for Heuristic International Networking Equipment |
| Stat |
status |
| Std |
Standard |
| Stentor |
Satellite de Télécommunications pour Expérimenter les Nouvelles Technologies en Orbite |
| Stratospheric |
THz Observatory |
| Struc |
structure |
| Suborbital |
Payloads: |
| SunRISE |
Sun Radio Interferometer Space Experiment |
| Sunsat |
Stellenbosch University Satellite |
| Suomi |
NPP Suomi National Polar orbiting Partnership, formerly the NPOESS |
| Surcal |
Surveilance Calibration |
| SurfSat |
Surface charging Satellite |
| Surface |
Topography Mission instrument) |
| Surfsat |
Summer Undergraduate Research Fellowship Satellite |
| Sv |
sievert |
| SwRI |
Southwest Research Institute |
| Swift |
Swift Gamma Ray Burst Explosion |
| Sync |
Synchronizer |
| Sync |
synchronize |
| Syncom |
Synchroneous Communication |
| T |
thermostabilized |
| T |
Total toxicity |
| T |
takeoff or time |
| T&C |
Training & Certification |
| T&C |
Telemetry and Command |
| T&CD |
Timing and Countdown |
| T&DA |
Tracking & Data Acquisition |
| T&E |
Test and Evaluation |
| T&R |
Transition & Retirement |
| T,Temp |
temperature |
| T-LR |
The ATV-CC Local Representative in Toulouse |
| T-TSAFE |
Terminal-Tactical Separation Assured Flight Environment |
| T-value |
Additive toxicity factor |
| T/C |
thermal cycling |
| T/L |
Timeline |
| T/P |
Temperature/Pressure |
| T288 |
time to delamination at 288˚C |
| TA |
test article |
| TA |
acceptance temperature |
| TA |
task analysis |
| TA |
Task Agreement |
| TA |
Technical Authority |
| TAC |
Turbo-Alternator/Compressor |
| TACAN |
Tactical Air Navigation |
| TACOMSAT |
Tactical Communication Satellite |
| TACSAT |
Tactical Satellite |
| TAG |
Technology Advisory Group |
| TAI |
international atomic time |
| TAI |
temps atomique international - international atomic time |
| TAL |
Transatlantic Abort Landing (Shuttle abort plan) |
| TAL |
Transatlantic Abort Landing |
| TAM |
test analysis model |
| TAMS |
Training Administration Management System |
| TANSTAAFL |
There Ain't No Such Thing As A Free Lunch |
| TAOS |
Technology for Autonomous Operational Satellite |
| TAP |
Tracking Acquisition Processor |
| TAP |
Telemetry Acquisition Processor |
| TARS |
Test Analysis Retrieval System |
| TARZAN |
Total Aerobic Resistive Device in Zero G with Analyzer Network |
| TAS |
thermal analysis for space |
| TAS-I |
Thales Alenia Space - Italy |
| TASP |
Test and Simulation Processor |
| TASS |
TDRSS Augmentation Satellite Service |
| TAT |
Test Assessment Team (JWST) |
| TATS |
Test & Training Satellite |
| TAU |
Thousand Astronomical Unit (mission) |
| TAVE |
Thor Agena Vibration Experiment |
| TAXI |
Transmitter-Receiver Interface |
| TB |
thermal balance |
| TBA |
To be agreed |
| TBC |
To be confirmed/completed |
| TBD |
To Be Defined |
| TBD |
To be defined/determined |
| TBD |
To be determined |
| TBEx |
Tandem Beacon Experiment |
| TBI |
through bulkhead initiator |
| TBI |
through-bulkhead initiator |
| TBIRD |
TeraByte InfraRed Delivery |
| TBPC |
to be provided by customer |
| TBPM |
to be provided by manufacturer |
| TBPU |
to be provided by user |
| TBR |
To be resolved/reviewed |
| TBR |
To Be Resolved |
| TBS |
to be supplied |
| TBT |
thermal balance test |
| TBW |
to be written |
| TC |
Technical Committee |
| TC |
Test Configuration |
| TC |
Telecommand |
| TC |
thermal control |
| TC |
Tan Ce |
| TC |
Thermocouple |
| TCA |
Time of Closest Approach |
| TCA |
Telemetry Channel Assembly |
| TCA |
thrust chamber assembly |
| TCA |
Transformational Communications Architecture |
| TCAA |
Trace Contaminant Control Assembly |
| TCB |
Training Control Board |
| TCC |
thermal control coatings |
| TCCS |
trace contaminate control subassembly |
| TCD |
Training Control Document |
| TCD/CW |
Transcranial Doppler/continuous wave |
| TCDS |
Telemetry Data Processors |
| TCDT |
Terminal Count Down Test |
| TCFEP |
Telemetry and Communication Front-End Processor |
| TCG |
Thermal Control Group |
| TCH. POC |
Technical Point of Contact |
| TCI |
Technical Control Instrumentation |
| TCI |
technology conformance inspection |
| TCIR |
Safety Total Case Incident Rate |
| TCL |
Test Configuration List |
| TCM |
Trim Correction Maneuvers |
| TCM |
Thermal Convection Module |
| TCO |
Timeline Change Officer |
| TCOPS |
Trajectory Computation and Orbital Products System |
| TCP |
Transmission Control Protocol |
| TCP |
Transport Control Protocol |
| TCP |
Transmission Control Protocol/Processing |
| TCP/IP |
transmission control protocol/internet protocol |
| TCR |
Telemetry, Command & Ranging |
| TCR |
Training Control Room |
| TCS |
Transformational Communications System |
| TCS |
Thermal Control System |
| TCU |
Temperature Controlled Units |
| TCV |
technological characterization vehicle |
| TCWG |
Technical Capability Working Group |
| TD |
Thor Delta |
| TD |
transfer device |
| TD |
Technical Direction |
| TDA |
Target Docking Adaptor |
| TDA&C |
Telemetry, Data Acquisition, and Command |
| TDAC |
Tracking, Data Acquisition, and Command |
| TDD |
Task Description Document |
| TDD |
Technical Description Document |
| TDE |
Technology Development Element |
| TDEM |
Technology Development for Exoplanet Missions |
| TDF |
TPOCC Development Facility |
| TDF |
Télédiffusion de France |
| TDI |
time delay integration |
| TDK |
transport device kit transport device |
| TDM |
time‐division multiplexed |
| TDM |
Time Division Multiplexing |
| TDMA |
Time Division Multiple Access |
| TDP |
technical data package |
| TDR |
time domain reflectometer |
| TDR |
time domain reflectometry |
| TDR |
Top Directorate Risk |
| TDRS |
Tracking & Data Relay Satellite |
| TDRS |
Tracking and Data Relay Satellite |
| TDRS-E |
Tracking and Data Relay Satellite – East |
| TDRSS |
Tracking and Data Relay Satellite System |
| TDRSS |
Tracking & Data Relay Satellite System |
| TDS |
Technology Demonstration Satellite |
| TDS |
Time Distribution System |
| TDS |
Tracking Data System |
| TDSD |
TDRS Digital Signal Distribution |
| TE |
Tris-EDTA, 2-Amino-2-(hydroxymethyl)propane-1,3-diol ethylenediaminetetraacetic acid |
| TEA |
Torque Equilibrium Attitude |
| TEAMSAT |
Technology education Experiment Added To MAQSat |
| TEB |
Tender Evaluation Board |
| TEC |
thermos-electric cooler |
| TECCS |
Test and Evaluation Command and Control System |
| TED |
triple error detection |
| TEF |
thermal electric freezer |
| TEG |
turbine exhaust gases |
| TELCU |
Thermal Electric Liquid Cooling Unit |
| TELEOP PNL |
teleoperator control panel |
| TELOPS |
Telemetry On-line Processing System |
| TEM |
transverse electromagnetic mode |
| TEMPEST-D |
Temporal Experiment for Storms & Tropical Systems - Demonstrator |
| TEP |
Tender Evaluation Panel |
| TEPAD |
Test Equipment for Payload & Development |
| TEPC |
tissue equivalent proportional counter |
| TEPCE |
Tether Electrodynamics Propulsion CubeSat Experiment |
| TERRA |
A Spacecraft formerly called Earth Observing Spacecraft (EOS) AM-1 |
| TERRIERS |
Tomographic Experiment using Radiative Recombinative Ionospheric EUV and Radio Sources |
| TERRIERS |
Topographic Experiment using Radiative Recombinative Ionospheric EUV & Radio Sources |
| TES |
Thermal Energy Storage |
| TES |
Transform Spectrometer |
| TES |
Technology Experiment Satellite |
| TES |
Test Execution Software |
| TES |
Thermal Emission Spectrometer (on Mars Observer) |
| TES |
Tropical Emission Spectrometer |
| TESS |
Temporary Early Sleep Station |
| TESS |
Transiting Exoplanet Survey Satellite |
| TEV |
Test Evaluation Software |
| TEX |
Transceiver Experiment |
| TF |
test fixture |
| TF |
Tool Fixture |
| TF-FGI |
Total force foot-ground interface device |
| TF-FGI |
Total Force-Foot Ground Interface device (a force measuring insole worn in the shoe) |
| TFCR |
Training Flight Control Room |
| TG |
Triglycerides |
| TG |
Task Group |
| TGA |
thermo gravimetry analysis |
| TGA |
thermal gravimetric analysis |
| TGA |
thermo gravimetric analysis |
| TGA |
Thioglycollate Agar |
| TGA |
Telemetry Group Controller |
| TGF |
Translation Grasping Fixture |
| TGO |
Trace Gas Orbiter |
| TGT |
TDRSS Ground Terminal |
| TH |
TransHab |
| THA |
Tool Holster Assembly (SPDM) |
| THA |
Thermostat Housing Assembly |
| THB |
temperature humidity bias |
| THC |
temperature & humidity control |
| THC |
translational hand controller |
| THEMIS |
THermal EMission Imaging System (on Mars 2001 Odyssey) |
| THEMIS |
Time History of Events & Macroscale Interactions during Substorms |
| THEOS |
Thai Earth Observation System |
| THERE |
TDRSS High-rate Equipment Replacement and Enhancement |
| THOR |
Thermal Operations & Resources Officer |
| TIA |
Technical Implementation Agreement |
| TID |
total ionising dose |
| TID |
total ionizing dose |
| TIDL |
total ionizing dose level |
| TIDS |
total ionizing dose sensitivity |
| TIFF |
tagged image file format |
| TIG |
time of ignition |
| TIG |
tungsten inert gas (welding) |
| TIG |
tungsten inert gas |
| TILT |
TDRSS Internet Link Terminal |
| TIM |
Technical Interchange Meeting |
| TIM |
Technical Interface Meeting |
| TIMED |
Thermosphere, Ionosphere, Mesosphere, Energetics and Dynamics |
| TIMS |
Thermal Infrared Multispectral Scanner |
| TIMWOOD |
Transportation, Inventory, Motion, Waiting, Overprocessing, Overproduction, Defects |
| TIN |
Taxpayer Identification Number |
| TINYSCOPE |
Tactical Imaging Nanosat Yielding Small-Cost Operations for Persistent Earth-coverage |
| TIOP |
TIPIT Input/Output Port |
| TIP |
Transition and Implementation Planning |
| TIP |
Telemedicine instrumentation pack |
| TIP |
Transit Improvement Program |
| TIPIT |
TDRSS Interface Preprocessor Into the TELOPS |
| TIPLAB |
Technical Information Program Laboratory |
| TIROS |
Television InfraRed Observation Satellite |
| TIROS |
Television Infrared Observational Satellite |
| TIRS |
Thermal Infrared Sensor |
| TISA |
Time Interpolation and Spatial Averaging |
| TIU |
Thermal Interface Unit (JEF) |
| TIV&V |
Transition, Integration, Verification, and Validation |
| TJ3Sat |
Thomas Jefferson Cube Satellite |
| TJREVERB |
Thomas Jefferson High School for Science & Technology Research & Education Vehicle for Evaluating Radio Broadcasts |
| TKS |
tracking system |
| TKS |
Transportnaya Korabl Snabsheniya |
| TKSC |
Tsukuba Space Center |
| TKUP |
TDRS K-Band Upgrade Project |
| TL |
Team Leader |
| TL |
Timeline |
| TL-UI |
Top Level User Interface |
| TLA |
Three Letter Acronym |
| TLAN |
TPOCC Local Area Network |
| TLAS |
TDRSS Look Angle System |
| TLC |
Trans Lunar Cruise |
| TLC |
Total Lung Capacity |
| TLC |
Taxi-to-LAN Converter |
| TLD |
thermoluminescent detector |
| TLD |
Titan Launch Dispenser |
| TLE |
Two Line Element |
| TLI |
Trans Lunar Injection |
| TLM |
Telemetry |
| TLO |
Technical Liaison Officer |
| TLS |
Transfer Layer Security |
| TLS |
Transport Layer Security |
| TLV |
threshold limit value |
| TLYF |
Test Like You Fly |
| TM |
traffic model |
| TM |
transport spacecraft, modified |
| TM |
Technical Monitor |
| TM |
Telemetry |
| TM |
Technical Memorandum |
| TM |
multiplier,torque m. |
| TM |
Thematic Mapper |
| TM&TC |
telemetry/telecommand |
| TM/TC |
telemetry, telecommand |
| TM/TC |
telemetry/telecommand |
| TMA |
thermomechanical analysis |
| TMA |
Telemetry Annex |
| TMA |
Torque Motor Assembly |
| TMAZ |
thermo mechanically affected zone |
| TMI |
TRMM Microwave Imager |
| TML |
total mass loss |
| TMM |
thermal mathematical model |
| TMOC |
TOMS-EP Mission Operations Center |
| TMOD |
Telecommunications and Mission Operations Directorate (JPL) |
| TMP |
Travel Manager Plus |
| TMP |
Technology Management Plan |
| TMR |
Technical Manager’s Representative |
| TMR |
Technical Management Representative |
| TMS |
Telecommunication and Mission System |
| TMSat |
Thai Microsatellite |
| TMT |
Technology Management Team |
| TN |
Technical Note |
| TND |
Tender Notification Document |
| TNF |
Test Notification Form |
| TNID |
total non-ionising dose |
| TNID |
total non-ionizing dose |
| TNIDL |
total non-ionizing dose level |
| TNIDS |
total non-ionizing dose sensitivity |
| TNOC |
TDRS Network Operations Control |
| TNOp |
non‐operating temperature |
| TO |
Thai Oscar |
| TOC |
Table of Content |
| TOCC |
TDRS Operations Control Center |
| TOCC |
TDRSS Operations Control Center |
| TOF |
Time of Flight |
| TOFF |
Time OFF |
| TOGA |
Tropical Ocean Global Atmosphere |
| TOL |
transport operations leader |
| TOMS |
Total Ozone Mapping Spectrometer |
| TOMS-EP |
Total Ozone Mapping Spectrometer - Earth Probe |
| TON |
Time ON |
| TOPEX |
The Ocean Topography Experiment |
| TOPO |
Trajectory Operations Officer |
| TOPS |
Toward Other Planetary Systems |
| TOR |
TPOCC Operations Room |
| TORRA |
Trajectory Operations for Rendezvous R-bar approach |
| TORVA |
Trajectory Operations for Rendezvous V-bar approach |
| TOS |
Tiros Operational Satellite |
| TOS |
Transfer Orbit Stage |
| TOTS |
Transportable Orbital Tracking Station |
| TOTS |
Transportable Orbital Tracking System |
| TP |
technology plan |
| TP/PTP |
Tactical Planning / Payload Tactical Planning |
| TPA |
tissue plasminogen activator |
| TPC |
Technical Performance Commitments |
| TPCE |
Telemetry Processing Control Environment |
| TPDO |
transmit PDO |
| TPF |
Telemetry Processing Facility |
| TPHTE |
two-phase heat transport equipment |
| TPI |
maneuver,Terminal Phase Initiation (maneuver) |
| TPI |
Terminal Phase Initiation (maneuver) |
| TPL |
Transfer Priority List |
| TPL |
two-phase loop |
| TPM |
Technical Performance Metrics |
| TPM |
Technical Performance Measure |
| TPOCC |
Transportable Payload Operations Control Center |
| TPR |
Top Program Risk |
| TPRO |
test procedure |
| TPS |
Thermal Protection System |
| TPS |
Technical Publishing Software ( Interleaf) |
| TPWG |
Tactical Planning Working Group |
| TProjR |
Top Project Risk |
| TQ |
qualification temperature |
| TQ&V |
Training, Qualification & Validation |
| TQCM |
Thermal (electrically cooled) Quartz Crystal Microbalance |
| TQM |
Total Quality Management |
| TQP |
Training & Qualification Plan |
| TQVS |
Training, Qualification & Validation Subsystem |
| TQVS |
Training Qualification & Validation System |
| TQVS |
Training, Qualification & Validation System |
| TR |
test review |
| TR |
Transition Readiness |
| TR |
tracking |
| TR |
Tape Recorder |
| TR |
Transition Review |
| TRA |
technology readiness assessment |
| TRAAC |
Transit Research & Attitude Control |
| TRAC |
Targeting and Reflective Alignment Concept |
| TRACE |
Transition Region & Coronal Explorer |
| TRACE |
Transitional Region and Coronal Explorer |
| TRACE DPS |
Transitional Region and Coronal Explorer Data Processing System |
| TRACERS |
Tandem Reconnection & Cusp Electrodynamics Reconnaissance Satellites |
| TRAPS |
Telemetry & Radar Acquisition Processing Systems |
| TRB |
test review board |
| TRB |
technology review board |
| TRC |
transmitter/receiver/controller |
| TRDS |
Technical Requirements Data Set |
| TRE |
Columbus Trainer Europe |
| TRL |
Technology Readiness Level |
| TRM |
Training Model |
| TRMM |
Tropical Rainfall Measuring Mission |
| TRP |
Technology Research Programme |
| TRPT |
test report |
| TRR |
test results review |
| TRR |
Training Readiness Review |
| TRR |
test readiness review |
| TRRJ |
thermal radiator rotary joint |
| TRS |
Tetrahedral Research Satellite |
| TRS |
Test Record Sheet |
| TRSL |
technology readiness status list |
| TRU |
Columbus Trainer USA |
| TRU |
truss,Truss |
| TRYAD |
Terrestrial Rays Analysis & Detection |
| TReK |
Telescience Resource Kit |
| TS |
technical specification |
| TS |
technical requirement specification |
| TS |
technical requirements specification |
| TS |
tool stanchion |
| TSA |
Trypticase Soy Agar |
| TSA |
Transportation Security Agency |
| TSA |
Telemetry Simulator Assembly |
| TSB |
TTE Switch Board |
| TSB |
Technical Support Building |
| TSC |
Telescience Support Center |
| TSC |
Technical Subcommittee (under the IRAC) |
| TSCV |
Test Setup, Configuration & Verification software |
| TSD |
Technology and Standards Development Division |
| TSDIS |
Time Sensitive Data Information System |
| TSDIS |
TRMM Science Data & Information System |
| TSH |
triaxial sensor heads |
| TSH |
Thyroid Stimulating Hormone |
| TSM |
temperature sensors monitor |
| TSMU |
Tail Service Mast Umbilical |
| TSO |
Technical Support Office |
| TSO |
TTE Switching Unit |
| TSOP |
thin small outline package |
| TSP |
Time & Space Partitioning |
| TSPE |
test specification |
| TSR |
TDRS Scheduling Request |
| TSS |
Targeted Search System |
| TSS |
Tethered Satellite System |
| TSS |
Time Synchronization Software |
| TSSF |
Tape Staging and Storage Facility |
| TSTO |
Two Stage To Orbit (also 2STO) |
| TSX |
Tri-Service Experiment |
| TT |
Trouble Ticket |
| TT&C |
Telemetry, Tracking and Command |
| TT&C |
Tracking Telemetry & Command (flight) |
| TTAC |
Transportable Telemetry and Command |
| TTC |
telemetry, tracking & telecommand |
| TTCP |
Transport Technology Communication Protocol |
| TTCP |
Technology Transfer Control Protocol |
| TTE |
TT Ethernet |
| TTR |
Time to Restore |
| TTR |
TDRSS Trouble Report |
| TTS |
Test & Training Satellite |
| TUBIN |
Technische Universität Infrared Nanosatellite |
| TURFTS |
TDRSS User Radio Frequency Test Set |
| TUS |
trailing umbilical system |
| TUT |
TDRSS Unused Time |
| TV |
Test and Verification |
| TV |
thermal vacuum |
| TV |
television |
| TV-Test |
thermal-vacuum test |
| TVA |
Thermal Variation Analysis |
| TVAC |
thermal vacuum chamber |
| TVC |
thrust vector control |
| TVD |
Torque-velocity dynamometer |
| TVE |
Thrusted Vector Experiment |
| TVG |
Transfer Vehicles Group |
| TVG |
Transfer Vehicle Group |
| TVIS |
Treadmill Vibration and Isolation System |
| TVOC |
Television Operations Center |
| TVVR |
Technical Verification & Validation Review |
| TWG |
Technology Working Group |
| TWINS |
Two Wide–angle Imaging Neutral–atom Spectrometers |
| TWMV |
three-way mix valve |
| TWP |
Transition Work Plan |
| TWPV |
Three Way Proportioning Valve |
| TWT |
Traveling Wave Tube |
| TWT |
travelling wave tube |
| TWTA |
Traveling Wave Tube Amplifier |
| TWTA |
travelling wave tube amplifier |
| TX |
transmit |
| TX_EN |
transmit enable |
| Tb |
talkback |
| TechEdSat |
Technical & Educational Satellite |
| TechSat-21 |
Technology Satellites for the 21st Century |
| Techsat |
Technology Satellite |
| Temisat |
Telespazio Micro Satellite |
| Term |
terminate |
| Tg |
temperature of glass transition |
| Tg |
glassivation temperature |
| Tgt,Trgt |
target |
| ThEL |
Thermal Equipment List |
| Therm |
thermal |
| Thold |
threshold |
| TiPS |
Tethers in Space Physics Satellite |
| Timation |
Time Navigation |
| Tj |
junction temperature |
| Tjmax |
absolute maximum rated junction temperature |
| Tk |
tank |
| Tmin |
minimum actuator torque required |
| ToD |
true of date |
| ToR |
Terms of Reference |
| Tol |
tolerance |
| Top |
operating temperature |
| TopSat |
Tactical Optical Satellite |
| Topo |
Topographic Position Satellite |
| Tot |
total |
| TrM |
trainer mock-up |
| Traj |
trajectory |
| Transat |
Transit & SATRACK / Translation Satellite |
| Transtage |
Transfer Stage |
| TreK |
Telescience Remote Experiment Kit |
| Trk |
track |
| Trq |
torque |
| TsUP |
Tsentr Upravleniya Poletom (also ZUP) |
| TsUP (???) |
????? ?????????? ??????? (Mission Control Center Moscow) |
| Tubsat |
Technische Universität Berlin Satellit |
| Tx |
transmitter |
| U-NII |
Unlicensed National Information Infrastructure Devices |
| U.S. |
United States |
| U.S.C. |
United States Code |
| U/L; Uplk |
uplink |
| UA |
Uric Acid |
| UA |
Utility Annex |
| UAB |
CBSE University of Alabama at Birmingham Center for Biological Sciences and |
| UAESA |
United Arab Emirates Space Agency |
| UAF |
University of Alaska Fairbanks |
| UAG |
Users’ Advisory Group |
| UAR |
Unit Acceptance Review |
| UARS |
Upper Atmosphere Research Satellite |
| UAS |
Unmanned Aircraft Systems |
| UAS |
Unmanned Aeronautical Systems |
| UAT |
unit acceptance test |
| UAV |
Unmanned Aerial Vehicle |
| UAV |
Unmanned Aerial Vehicles |
| UB |
Undistributed Budget |
| UBM |
Unpressurized Berthing Mechanism |
| UBR |
Unspecified Bit Rate |
| UCA |
Umbilical Connector Assembly (UC UCB) |
| UCAR |
University Corporation for Atmospheric Research |
| UCAV |
Unmanned Combat Air Vehicle |
| UCB |
Urine containment bag |
| UCB |
Umbilical Connector Block (JAL) |
| UCCAS |
unpressurized cargo carrier attachment system |
| UCCAS |
Unpressurized Cargo Carrier Attach System |
| UCD |
Urine collection device |
| UCK |
Urine collection kit |
| UCL |
User Control Language |
| UCLA |
University of California at Los Angeles |
| UCLSat |
University College London Satellite |
| UCM |
Umbilical Connector Manifold (JAL) |
| UCP |
Unpressurized Cargo Pallet (ICC part) |
| UCRD |
Uplink Configuration Requirements Document |
| UCS |
ultrahigh frequency communication system |
| UCSS |
UARS CDHF Software System |
| UD |
uni-directional |
| UDC |
Utilization Development Capability |
| UDG |
User Data Generation only |
| UDM |
Universal Docking Module |
| UDMH |
Unsymmetrical DiMethyl Hydrazine |
| UDP |
User Datagram Protocol |
| UDS |
Universal Documentation System |
| UELV |
Unmanned Expendable Launch Vehicle |
| UERE |
User Equivalent Range Error |
| UF |
utilization flight |
| UFO |
Unidentified Flying Object |
| UFO |
Ultra High Frequency Follow On |
| UFR |
UnFunded Requirements |
| UGC |
Uppsala General Catalog |
| UHB |
User Home Base |
| UHD |
User Help Desk |
| UHF |
Ultra High Frequency |
| UHF |
Ultra-High Frequency |
| UHF-FO |
Ultra High Frequency Follow On |
| UI |
User Interface |
| UI |
unit interval |
| UIA |
Umbilical Interface Assembly (JAL) |
| UIB |
Utilisation Integration Board |
| UIP |
Utility Interface Panel |
| UIT |
Ultraviolet Imaging Telescope (Astro package) |
| UK |
United Kingdom |
| UKS |
United Kingdom Subsatellite |
| UKSA |
United Kingdom Space Agency |
| UKST |
United Kingdom Schmidt Telescope |
| ULA |
United Launch Alliance |
| ULA |
Unified Labor Account |
| ULC |
unpressurized logistics carrier |
| ULCAS |
upper ULC attachment system |
| ULF |
Utilization & Logistics Flight |
| ULF |
Utilization Logistics Flight |
| ULPA |
ultra-low-particle air filter |
| UM |
user manual |
| UM |
UARS Missions |
| UMA |
University of Massachusetts |
| UMA |
umbilical mechanism assembly |
| UMB |
Umbilical |
| UMD |
University of Maryland at College Park |
| UMDB |
User Mission Data Base |
| UMI |
Universal Measurement Identifier |
| UML |
unified modelling language |
| UML |
universal modelling language |
| UMM |
USOC Manager’s meeting |
| UMP |
Utilization Management Plan |
| UMS |
Utilization and Mission Services |
| UN |
United Nations |
| UNECE |
United Nations Economic Commission for Europe |
| UNEX |
University Explorers |
| UNEX |
University Explorer |
| UNI |
User to Network Interface |
| UNIFORM |
University International Formation Mission |
| UNITE |
Undergraduate Nano Ionospheric Temperature Explorer |
| UNITeS |
Unified NASA Information Technology Services |
| UNOSAT |
Undergraduate Orbital Student Satellite |
| UNPS |
Universal Power Supply |
| UNSCEAR |
United Nation’s Scientific Committee on the Effects of Atomic Radiation |
| UO |
UoSat Oscar |
| UOA |
User Operations Area |
| UOF |
User Operated Facility |
| UON |
Universal Operations Network |
| UOP |
Utility Outlet Panel |
| UP |
urine processor |
| UPD |
User Performance Data |
| UPMSat |
Universidad Politécnica de Madrid Satellite |
| UPN |
Unique Project Number |
| UPN |
Universal Product Number |
| UPOWG |
Utilization Payload Operations Working Group |
| UPS |
Uninterruptible Power Supply |
| UPS |
User Planning System |
| UPSat |
UUniversity of Patras Satellite |
| UQPSK |
Unbalanced Quadrature Phase-Shift Keying |
| UQPSK |
unbalanced quadrature phase shift keying |
| URC |
University Research Centers |
| URD |
User Requirements Document |
| UREA |
Urea |
| URI |
Uniform Resource Identifier |
| URL |
Uniform Resource Locator |
| URSA MAIOR |
University of Rome la Sapienza Micro Attitude In Orbit testing |
| URSI |
Union Radio Science Internationale |
| US |
Upper Stage |
| US |
United States |
| US-A |
Upravlenniye Sputnik Aktivny |
| US-K |
Upravlenniye Sputnik K... |
| US-KMO |
Upravlenniye Sputnik K... M... O... |
| US-KS |
Upravlenniye Sputnik K... S... |
| US-P |
Upravlenniye Sputnik Passivny |
| US-PM |
Upravlenniye Sputnik Passivny Modifikirovanny |
| USA |
United Space Alliance |
| USA |
User Service Access |
| USA |
United States of America |
| USAF |
United States Air Force |
| USAID |
U.S. Agency for International Development |
| USB |
Unified S-Band |
| USC |
United States Code |
| USCCS |
User Spacecraft Clock Calibration Service |
| USCG |
United States Coast Guard |
| USDA |
United States Department of Agriculture |
| USDA |
U.S. Department of Agriculture |
| USE |
Upper Stage Engine |
| USERS |
Unmanned Space Experiment Recovery System |
| USFS |
U.S. Flywheel Systems, Inc. |
| USG |
United States Government |
| USGCRP |
U.S. Global Change Research Program |
| USGS |
United States Geological Survey |
| USGS |
U.S. Geological Survey |
| USL |
United States Laboratory |
| USM |
Unit of Service Metric |
| USM |
Utilization Service Metrics |
| USM |
Universalny Stikovochny Modul' |
| USMP |
U.S. Microgravity Payload |
| USMP |
United States Microgravity Payload |
| USN |
United States Navy |
| USNA |
United States Naval Academy |
| USNO |
United States Naval Observatory |
| USOC |
User Support Operations Center |
| USOC |
User Support & Operations Centre |
| USOC |
United States Operations Center |
| USOC |
User Support & Operations Center |
| USOS |
US Orbital Segment |
| USOS |
U.S. On-orbit Segment (ISS) |
| USOS |
United States Orbital Segment |
| USOS |
U.S. on-orbit segment |
| USOS |
US On-orbit Segment |
| USPI |
U.S. Participating Investigators (Explorer) |
| USRA |
Universities Space Research Association |
| USS |
User Services System |
| USS |
User Support Software |
| USS |
Unified Synoptic System |
| USS-CR |
User Services Segment Component Replacement |
| USSA |
US standard atmosphere |
| USSPACECOM |
United States Space Command |
| USSR |
User Service Subsystem Replacement |
| UST |
Universal Space Transponder |
| USTAG |
U.S. Technical Advisory Group |
| USUM |
United States Utilization Module |
| UT |
Universal Time (a.k.a. GMT, or Zulu Time cf UTC) |
| UTA |
utility transfer assembly |
| UTAS |
Universal Trunnion Attachment System (ESP attach point) |
| UTC |
Coordinated Universal Time (subtly different from UT) |
| UTC |
Universal Time Coordinated |
| UTC |
Universal Time Coordinated; Coordinated Universal Time |
| UTC |
Coordinated Universal Time |
| UTDF |
Universal Tracking Data Format |
| UTELOPS |
Upgraded Telemetry On-line Processing System |
| UTS |
ultimate tensile strength |
| UUID |
Universally Unique IDentifier |
| UV |
Ultraviolet |
| UVA |
ultra-violet (310 nm - 400 nm) |
| UVP |
undervoltage protection |
| UVR |
Ultra Violet Radiometer |
| UVS |
UltraViolet Spectrometer |
| UWB |
Ultra-Wideband Systems |
| UWE |
University of Würzburg's Experimental satellite |
| UWI |
Unique Work Instruction |
| Ull |
ullage |
| Unisat |
University Satellite |
| Univ |
universal |
| Unlk |
unlock |
| UoSat |
University of Surrey Satellite |
| V&V |
Verification & Validation |
| VA |
Vozvrachaemaya Apparat |
| VAB |
Vertical Assembly Building |
| VAB |
Vehicle Assembly Building (formerly Vertical Assembly Building) |
| VABR |
Vertical Assembly Building Repeater |
| VAC |
Volts,Alternating Current |
| VAC |
Variance at Completion |
| VAC |
Vertical Assembly Center |
| VAFB |
Vandenberg Air Force Base |
| VAL |
value definition language |
| VAMPIR |
Video Management Room |
| VAMS |
Video/Audio Mastering System |
| VAO |
Virtual Astronomical Observatory |
| VAR |
Variance Analysis Report |
| VAR |
Vehicle Assessment Review |
| VASIMAR |
variable specific impulse magnetoplasma rocket |
| VASS |
ViTS Automated Scheduling System |
| VAX |
virtual architecture extendable |
| VAX |
Virtual Address Extension |
| VB |
Visual Basic |
| VB |
Video Booth |
| VBQC |
vacuum balance quartz crystal |
| VBQC |
vacuum balance quartz contamination |
| VBR |
Variable Bit Rate |
| VBSP |
video baseband signal processor |
| VC |
Virtual Channel |
| VC |
Vital capacity |
| VC/MC |
Virtual Channel/Master Channel |
| VCA |
Video Camera Assembly |
| VCB |
virtual channel buffer |
| VCB |
verification control board |
| VCC |
Virginia CubeSat Constellation |
| VCC |
Video Control Center |
| VCD |
vapor compression distillation |
| VCDU |
Virtual Channel Data Unit |
| VCE |
collector-emitter voltage |
| VCHP |
variable conductance heat pipe |
| VCI |
Virtual Channel Identifier |
| VCID |
Virtual Channel Identifier |
| VCL |
Vegetation Canopy Lidar |
| VCM |
volatile condensable material |
| VCMS |
video commanding & measuring system |
| VCP |
Verification Control Plan |
| VCP |
Vehicle Control Procedure |
| VCP |
Virtual Channel Packet |
| VCR |
Video Cassette Recorder |
| VCRS |
Video Conference Request System |
| VCSA |
Video Camera Support Assembly |
| VCSEL |
vertical cavity surface emitting laser |
| VCU |
Vehicle Control Unit |
| VDA |
Vacuum Deposited Aluminium |
| VDD |
Version Description Document |
| VDI |
Vehicle Data Items |
| VDIFF |
voltage differential |
| VDIFF-PK |
voltage differential peak |
| VDIFF-PK-PK |
voltage differential peak to peak |
| VDM |
videometer |
| VDMS |
Voice Distribution Management System |
| VDPU |
Video Distribution & Processing Unit |
| VDPU |
Video Data Processing Unit |
| VDRL |
Venereal Disease Research Laboratory (test) |
| VDS |
Viking Dynamic Simulator |
| VDS |
Voice Distribution System |
| VDS |
video distribution system |
| VDT |
visual damage threshold |
| VE |
Video Equipment |
| VE |
virtual environment |
| VE A |
Video Equipment,Aft (assembly) |
| VE F |
Video Equipment,Forward (assembly) |
| VEEGA |
Venus-Earth-Earth Gravity Assist (Galileo flight path) |
| VEH; Veh |
vehicle |
| VEP |
Vehicle Evaluation Payload |
| VES |
vacuum exhaust system |
| VESTA |
Vision-based Electro-optical Sensor Tracking Assembly |
| VET |
Vehicle Engineering Team |
| VFT |
Vehicle Familiarization Tour |
| VGA |
Verification Gas Assembly |
| VGA |
Venus Gravity Assist |
| VGR |
Voyager |
| VHA |
Vehicle Holding Attitude |
| VHDL |
vhsic hardware description language |
| VHF |
Very High Frequency |
| VHSIC |
very high speed integrated circuit |
| VIC |
Vehicle Insight & Control |
| VICOS |
Verification, Integration & Checkout Software |
| VIF |
Vibration Isolation Frame |
| VIIRS |
Visible Infrared Imaging Radiometer Suite |
| VIIRS |
Visible-Infrared Imager Radiometer Suite (NPOESS Preparatory Project instrument) |
| VIS |
Voice Intercom Subsystem |
| VISSR |
Visible and Infrared Spin Scan Radiometer |
| VITO |
Vehicle Integration Test Office |
| VITS |
Video Teleconferencing System |
| VITT |
Vehicle Integration Test Team |
| VKK |
Vozdushno Kosmicheskiy Korabl |
| VL |
Virtual Link |
| VLA |
Very Large Array |
| VLA |
Verification Load Analysis |
| VLAN |
Virtual LAN |
| VLBA |
Very Long Baseline Array |
| VLBI |
Very Long Baseline Interferometry |
| VLF |
Very Low Frequency |
| VLRS |
Vehicle-Level Reasoning System |
| VLSI |
very large scale integration |
| VLT |
Very Large Telescope |
| VM |
Virtual Machine |
| VMC |
Vehicle Mission Computer |
| VMDB |
vehicle master data base [?] |
| VMDB |
Vehicle Master Data Base |
| VME |
Virtual Memory Extension |
| VMK-II |
Video MarK II |
| VML |
voltage mode logic |
| VMN |
Video Monitor |
| VMS |
Vertical Motion Simulator |
| VMS |
Virtual Memory System |
| VMU |
Video Management Unit |
| VN |
virtual network |
| VNIR |
Visible & Near Infrared |
| VNREDSat |
Vietnam Natural Resources, Environment & Disaster monitoring Satellite |
| VO2max |
Maximum oxygen consumption |
| VOA |
volatile organic analyzer |
| VOIR |
Venus Orbiting Imaging Radar (superseded by VRM) |
| VON |
Virtual On Net |
| VOR |
Vestibulo-ocular reflex |
| VOR |
Vehicle Operations Room |
| VOTE |
Virtual Operations Training Environment |
| VOX |
voice operated transmission (keying) |
| VP |
Virtual Path |
| VPF |
Vertical Processing Facility |
| VPI |
Virtual Path Identifier |
| VPMP |
Vented Payload Mounting Plate |
| VPN |
Virtual Private Network |
| VPR |
Vehicle Power Retry |
| VPU |
Virtual Processing Unit |
| VRA |
volatile removal assembly |
| VRM |
Venus Radar Mapper (now called Magellan) |
| VRML |
Virtual Reality Modeling Language |
| VRPT |
verification report |
| VS |
vacuum system |
| VSAT |
Very Small Aperture Terminal |
| VSE |
Vision for Space Exploration |
| VSI |
Vehicle Systems Integration |
| VSM |
Value Stream Mapping |
| VSM |
Vehicle System Manager |
| VSOP |
Very Large Baseline Interferometry Space Observatory Programme |
| VSOP |
VLBI Space Observatory Program |
| VSR |
vacuum resource system |
| VSS |
Voice Switching System |
| VSSA |
Video System Support Assembly |
| VSSA |
Video Station Support Assembly |
| VSU |
video switch unit |
| VSUME |
VHF Spectrum Utilization Measurement Experiment |
| VSW |
Video Switcher (JEF) |
| VSWR |
voltage standing wave ratio |
| VTC |
Video Teleconferencing |
| VTC |
Vital Telemetry & Telecommand Controller |
| VTC |
Vital Telemetry & Command Controller |
| VTCB |
Vitrociset Belgium Sprl Transinne (Belgium) |
| VTCC |
Video Teleconferencing Control Center |
| VTHL |
Vertical Takeoff Horizontal Landing |
| VTM |
Validation Tracking Matrix |
| VTR |
Video Tape Recorder |
| VTS |
vacuum thermal stability |
| VTVL |
Vertical Takeoff Vertical Landing |
| VUV |
vacuum ultra violet |
| VV |
Visiting Vehicle |
| VVA |
Vacuum Vent Assembly |
| VVC |
Virtual ViTS Connection |
| VVO |
Visiting Vehicle Officer |
| VVT |
target,visual video target (installed on ATV) |
| VVT |
Visual Video Target |
| VVT |
Visual Video Target (installed on ATV) |
| VZA |
Viewing Zenith Angle |
| V_DC; VDC |
volts direct current; volts DC |
| Vac |
vacuum |
| Vbar |
velocity vector |
| Vbus |
bus voltage |
| Vega |
Venera Gallei |
| Venµs |
Vegetation & Environment Monitoring New Micro-Satellite |
| Ver |
verify |
| Vert |
vertical |
| ViDS |
Video Distribution & Conferencing Subsystem |
| ViTS |
Video Teleconferencing Service/System |
| Vibe |
vibration |
| VitaSat |
Volunteers in Technical Assistance Satellite |
| Vmp |
maximum power voltage |
| VoCS |
Voice Conferencing Subsystem |
| VoCS |
Voice Conferencing System |
| VoCS |
Voices Conferencing System |
| VoCS |
Voice Communication System |
| VoCS |
Voice Communication Subsystem |
| VoTS |
Voice Teleconferencing Service/System |
| Voc |
open-circuit voltage |
| Vol |
Volume |
| Volcam |
Volcanic Ash Mission |
| Vop |
operational voltage |
| Vout |
output voltage |
| Vrms |
voltage root mean square |
| Vtest |
test voltage |
| W/G |
Working Group |
| W/S |
workstation |
| W/U |
Wakeup |
| WA |
Workmanship Assurance |
| WAAS |
Wide Area Augmentation System |
| WAC |
WRC Advisory Committee |
| WAD |
Work Authorization Document |
| WAN |
Wide Area Network |
| WAP |
Wireless Access Point |
| WARP |
Wideband Advanced Recorder Processor |
| WART |
White Sands Auxiliary Remote Tracking |
| WART |
WSC Alternate Relay Terminal |
| WASP |
Weightless Analysis Sounding Probe |
| WAT |
wafer acceptance testing |
| WATR |
Western Aeronautical Test Range |
| WATT |
Web Application for Telemetry & Tracking |
| WAVE |
WWW, Artificial Intelligence, and Virtual Environments Exploration |
| WBC |
Wide Band Correlator |
| WBS |
work breakdown structure |
| WCA |
worst-case analysis |
| WCA |
worst case analysis |
| WCB |
Wide Channel Bandwidth |
| WCF |
Working Capital Fund |
| WCRP |
World Climate Research Program |
| WCS |
Water Cooling System |
| WD |
White Dwarf |
| WDR |
Wet Dress Rehearsal |
| WDU |
Window Definition Utility |
| WE WISH |
World Environmental Watching & Investigation from Space Height |
| WEEE |
waste electrical & electronic equipment |
| WEOS |
Whale Ecology Observation Satellite |
| WEST |
Wide-beam European Satellite Telecominication |
| WESTPAC |
Western Pacific Laser Tracking Network Satellite |
| WETA |
Wireless video system External Transceiver Assy |
| WFC |
Wide Field Camera |
| WFF |
Wallops Flight Facility |
| WFF |
Wallops Flight Facility (NASA, managed by GSFC) |
| WFI |
water for injection |
| WFIRST |
Wide-Field Infrared Survey Telescope |
| WFOV |
Wide Field of View |
| WFPC |
Wide Field / Planetary Camera (on HST) |
| WFPCII |
Replacement for WFPC |
| WFR |
Weibull failure rate |
| WFSV |
Water Flow Selection Valve |
| WG |
Working Group |
| WGCCRE |
Working Group on Cartographic Coordinates & Rotational Elements |
| WGD |
Water & Gas Delivery |
| WGS |
Wideband Gapfiller Satellite |
| WGS |
Wallops Ground Station |
| WHC |
Waste & Hygiene Compartment |
| WI |
Work Instruction |
| WIF |
worksite interfaces |
| WIF |
interface,worksite i. |
| WIMS |
Workforce Integrated Management System |
| WIN SCAT |
Windows Spaceflight Cognitive Assessment |
| WINDS |
Wideband InterNetworking engineering test & Demonstration Satellite |
| WIP |
Work In Progress |
| WIRE |
Wide-Field Infrared Explorer |
| WIRE |
Wide Field Infra Red Explorer |
| WISE |
Wide Field Infrared Survey Explorer |
| WISP |
Wisconsin Imaging Survey Polarimeter |
| WIT |
Windows & Tunnel |
| WIYN |
Wisconsin / Indiana / Yale / NOAO telescope |
| WLG |
Working Level Group |
| WLG-E |
Working Level Group – Engineering Analysis and Technical Assessments |
| WLP |
Weekly Look-Ahead Plan |
| WLP |
Wallops Island |
| WLP |
Week Long Plan |
| WLPS |
Wallops |
| WM |
waste management |
| WMAP |
Wilkinson Microwave Anisotropy Probe |
| WMK |
water microbiology kit: |
| WMK |
water microbiology kit |
| WMM |
world magnetic model |
| WMO |
World Meteorological Organization |
| WMS |
Web Mapping Service |
| WMSR |
Weekly Mission Status Report |
| WO |
Weber Oscar |
| WOCA |
worst case analysis |
| WOOV |
Water On / Off Valve |
| WORF |
window observational research facility |
| WOSB |
Woman-Owned Small Business |
| WOTIS |
Wallops Orbital Tracking Information System |
| WOTS |
Wallops Orbital Tracking Station/System |
| WP |
work package |
| WP |
Waypoint |
| WP |
Working Party |
| WP4A |
Working Party 4A – Efficient orbit/spectrum utilization (under SG 4) |
| WP7A |
Working Party 7A – Time signals and frequency standard emissions |
| WP7B |
Working Party 7B – Space radio systems |
| WP7C |
Working Party 7C – Earth-exploration satellite systems and meteorological elements |
| WP7D |
Working Party 7D – Radio astronomy |
| WP7E |
Working Party 7E – Inter-service sharing and compatibility (disbanded) |
| WPA |
Water Pump Assembly |
| WPC |
Weekly Planning Conference |
| WPD |
Work Package Description |
| WPET |
Work Package Evaluation Team |
| WPR |
Weekly Plan Review |
| WPS |
welding procedure specification |
| WPVR |
welding procedure verification report |
| WR |
Western Range |
| WR |
Wrist Roll |
| WR |
Western Range (was WTR) |
| WRC |
World Radiation Centre in Davos |
| WRC |
World Radiocommunications Conference |
| WRF |
Working Capital Fund |
| WRM |
water recovery & management |
| WRPVA |
Water Recovery Port Vent Assembly |
| WRSVA |
Water Recovery Starboard Vent Assembly |
| WS |
Worksite |
| WS |
Work Station (MT) |
| WS/A |
water sampler/archiver |
| WSC |
White Sands Complex |
| WSF |
Wake Shield Facility |
| WSGS |
White Sands Ground Station |
| WSGT |
White Sands Ground Terminal |
| WSK |
water sampling kit |
| WSMR |
White Sands Missile Range |
| WSO |
Wallops Scheduling Office |
| WSS |
workstation stanchions |
| WSSH NS |
White Sands Space Harbor (Northrup Strip) |
| WSTF |
White Sands Test/Training Facility |
| WSTF |
White Sands Test Facility, (NASA, managed by JSC) |
| WSUS |
Windows Server Update Services |
| WTA |
Warning Time Analysis |
| WTR |
Western Test Range |
| WTVC |
Wrist TV Camera (JEMRMS) |
| WUPPE |
Wisconsin Ultraviolet PhotoPolarimter Experiment (Astro package) |
| WV |
work volume |
| WVE |
Wrist Vision Equipment (JEMRMS) |
| WVR |
water vapour regained |
| WVTP |
welding verification test plan |
| WVTR |
welding verification test report |
| WWS |
World-Wide Standards |
| WWV |
Wate Water Vent |
| WWW |
World Wide Web |
| WY |
Wrist Yaw |
| WYE |
Work Year Equivalent |
| Wresat |
Weapons Research Establishment Satellite |
| X |
MicroCurie |
| X |
delta V |
| X |
Experimental |
| XCF |
X-ray crystallography facility |
| XCMU |
External Command & Measurement unit |
| XCVR |
Transceiver |
| XDA |
eXploration Dexterous Arm |
| XDPI |
X-ray diffraction prime item |
| XFER,XFR; Xfer |
transfer |
| XI |
X-Factor Investigator |
| XLA |
eXploration Large Arm |
| XMIT; Xmit |
transmit |
| XML |
Extensible Markup Language |
| XMM |
X-ray Multi-mirror Mission (Newton Observatory) |
| XNAV |
X-ray pulsar Navigation |
| XOR |
exclusive OR |
| XPI |
X-ray Polarimeter Instrument |
| XPLC |
External Payload Computer |
| XPNDR |
standard TDRSS transponder |
| XPOP |
X-axis perpendicular to orbit plane |
| XQC |
X-Ray Quantum Calorimeter |
| XR |
eXtended Reality |
| XSAT |
Exceptional Satellite |
| XSN |
External Service Network |
| XSS |
Experimental Small Satellite |
| XTCE |
XML Telemetric & Command Exchange |
| XTE |
X-Ray Timing Explorer |
| XUV |
eXtreme UltraViolet |
| Xlate |
translate |
| Y |
yaw |
| YES |
Young Engineer's Satellite |
| YSO |
Young Stellar Object |
| YTD |
Year-to-Date |
| Z |
Zulu (see UT) |
| Z; Zen |
zenith |
| ZACube |
ZA (South Africa) Cubesat |
| ZBR |
Zero Base Review |
| ZCAM |
Zoom Camera |
| ZEM |
Z1 experiment module |
| ZMCU |
Zoom Modular Camera Unit |
| ZOE |
zone of exclusion |
| ZPM |
Zero-Propellant Maneuver (ISS) |
| ZPM |
maneuver,Zero-Propellant Maneuver (ISS) |
| ZSR |
zero-g stowage rack |
| ZX |
Zhonxing |
| Zero-g |
weightlessness,zero gravity |
| a/c |
crack aspect ratio (see 3.2.8) |
| atm; Atmos |
atmosphere |
| avg |
average |
| bps |
bits per second |
| c.g. |
center of gravity |
| cFR |
core Flight Executive |
| cFS |
Core Flight Software |
| cap mech |
capture mechanism (JEMAL) |
| cb |
circuit breaker |
| cf. |
confer (= compare) |
| coupled |
with Observations from a Lidar |
| dB |
decibel |
| dBW |
dB with respect to power |
| dBc |
dB with respect to the unmodulated carrier |
| dBi |
dB with respect to isotropic emission |
| dc |
direct current |
| deg/sec |
degrees per second |
| dev |
develop or development |
| e-st@r |
Educational SaTellite @ politecnico di Torino |
| e.g. |
exempli gratia (= for example) |
| e.g. |
exempli gratia (Latin,for example) |
| eDIT |
European Data Integration Team |
| eDPC |
Evening Daily Planning Conference |
| eFDP |
Enhanced Functional Distributed Processor |
| eMMT |
ESA Mission Management Team |
| eTS |
(Federal) e-Travel Services, to migrate to a new service provider (eTS2) |
| emf |
electro-motive force |
| epfd |
equivalent power flux density |
| est |
estimated |
| etc. |
et cetera |
| f |
frequency |
| fN |
Nyquist frequency |
| flex |
flexible |
| fps |
feet per second |
| ft |
ranging tone frequency |
| g |
gravity or gravitational unit |
| g-LIMIT |
GLovebox Integrated Microgravity Isolation Technology |
| govt |
government |
| hFE |
current gain of a bipolar transistor in common-emitter configuration |
| i.a.w. |
in accordance with |
| i.d. |
inside diameter |
| i.e. |
id est (= that is) |
| i.e. |
id est (Latin,that is (to say)) |
| iAPS |
Improved Automated Payload Switch |
| iHAB |
International Habitat Module |
| iINIT1 |
inverse initialisation control word 1 |
| iINIT2 |
inverse initialisation control word 2 |
| iLANES |
inverse lane field |
| iLLCW |
inverse Lane layer control word |
| iROC |
Integrated Radio Optical Communications |
| iSat |
Iodine Satellite |
| inc |
increment |
| kHz |
kilohertz |
| kW |
kilowatt |
| kWh |
kilowatt-hour |
| kbps |
kilobits per second |
| km |
kilometer |
| ksps |
kilo symbol per second |
| lx |
lux |
| m/z |
ratio mass to charge |
| mDPC |
Morning Daily Planning Conference |
| mRESINS |
mini Redundant Strapdown Inertial Navigation System |
| maint |
maintenance |
| max |
maximum |
| mcf |
fitting,microconical f. |
| memo |
Memorandum |
| mg |
milligram (hydrogen peroxide) |
| min |
minimum |
| mmHg |
millimeters of mercury |
| multi-g |
more than 1-g acceleration situation |
| n.a |
not applicable |
| n.a. |
not applicable |
| nT |
nano-Tesla |
| na |
not applicable |
| o.d. |
outside diameter |
| pH |
hydrogen-ion concentration |
| ppCO2 |
partial pressure of carbon dioxide |
| ppH2O |
partial pressure or water |
| ppO2 |
partial pressure of oxygen |
| ppmv |
parts per million, volumetric |
| prelim |
preliminary |
| prox |
proximity |
| psia |
pounds per square inch (absolute) |
| psig |
pounds per square inch (indicated); pounds per square inch (gauge) |
| r.m.s. |
root-mean-square |
| r.m.s. |
root mean square |
| r.m.s. |
root‐mean‐square |
| r.m.s. |
rootmeansquare |
| rDNA |
Ribosomal DNA |
| ref |
reference |
| ref. |
Reference |
| scc |
Standard Cubic Centimeter |
| slammd |
Space linear acceleration mass measurement device |
| spec |
specification |
| sq |
square (in unit Ω/sq) |
| station transfer hatch |
???-??-? (transfer module to active docking node) or ???-??-? (transfer module to passive docking node) (Kvant) |
| sth |
station transfer hatch |
| temperature local commutator |
TTI recommends deletion. |
| verif |
verification |
| w.r.t. |
with respect to |
| wk |
week |
| wrt |
with respect to |
| xEMU |
Exploration Extravehicular Mobility Unit |
| °C |
degree Celsius |