| 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 eight states |
| 8PSK |
phase shift keying of 8 states |
| @ |
at |
| A |
Application Satellite |
| A&A |
Astronomy & Astrophysics |
| A&C |
Activation & Checkout |
| A-MKO |
ATV Mission Kick Off |
| A/D |
analog to digital |
| A/D |
analogue-to-digital |
| A/D |
analogue to digital |
| A/G |
Air-to-Ground (voice) |
| A5 |
Ariane 5 |
| AA |
Associate Administrator |
| AAA |
Avionics Air Assembly |
| AAAC |
Astronomy & Astrophysics Advisory Committee |
| AACP |
Astronaut Activity Coordination Panel |
| AAD |
area array device |
| AAL |
ATM Adaptation Layer |
| AAM |
Advanced Avionics Module |
| AAO |
Anglo-Australian Observatory |
| AAP |
Americom Asia Pacific |
| AAS |
American Astronautical Society |
| AAU-Cubesat |
Aalborg University Cubesat |
| AAVSO |
American Association of Variable Star Observers |
| ABC |
Audio Bus Coupler |
| ABCL |
As Built Configuration List |
| ABIE-TLV |
Airborne Interceptor Experiment - Target Launch Vehicle |
| ABM |
apogee boost motor |
| ABP |
Audio Belt Pack |
| ABR |
Available Bit Rate |
| ABRES |
Advanced Ballistic Re-Entry Systems |
| ABRIXAS |
A Broadband Imaging X-Ray All-Sky Survey |
| AC |
Assembly Complete |
| AC |
Atlas Centaur |
| AC/DC |
alternating current/direct current |
| ACBSP |
assembly complete baseband signal processor |
| ACCESS |
Advanced Collaborative Connections for Earth System Science |
| ACD |
Artemis Campaign Development |
| ACE |
Advanced Composition Explorer |
| ACES |
Atomic Clock Ensemble in Space |
| ACESE |
attitude control & energy storage experiment |
| ACIT |
ATV Cargo Integration Team |
| ACK |
acknowledgement |
| ACK |
acknowledge |
| ACLS |
Advanced Closed Loop System |
| ACOM |
Assembly, Check-out, Operations, Maintenance, & Configuration |
| ACP |
Attitude Controlled Platform |
| ACRFG |
assembly complete radio frequency group |
| ACRIMsat |
Active Cavity Radiometric Irridiance Monitor Satellite |
| ACRV |
Assured Crew Return Vehicle |
| ACRV |
Assured Crew Return Vehicle (or) Astronaut Crew Rescue Vehicle |
| ACRV |
advanced crew return vehicle |
| ACS |
assembly contingency subsystem |
| ACS |
attitude control system |
| ACS |
atmosphere control & supply |
| ACS |
Advanced Camera for Surveys (Hubble Space Telescope instrument) |
| ACS3 |
Advanced Composite Solar Sail System |
| ACT |
Advanced Component Technologies |
| ACT |
advanced communications tower |
| ACT |
Activation |
| ACT-Light |
ATV Crew Trainer |
| ACTIVE |
active control word |
| ACTS |
Advanced Communication Test Satellite |
| ACT_LS |
active least significant |
| ACT_MS |
active most significant |
| ACU |
arm computer unit |
| AD |
Analog to Digital |
| AD |
Air Density |
| AD |
Applicable Document |
| AD |
audio dosimeter |
| ADA |
Americans with Disabilities Act |
| ADAM |
Able deployable articulated mast |
| ADAP |
Astrophysics Data Analysis Program |
| ADC |
analogue digital converter |
| ADC |
analogue-to-digital converter |
| ADC |
acquisition data counter |
| ADCAR |
Astrophysics Data Curation & Archival Research |
| ADCO |
Attitude determination & Control Officer |
| ADD |
Architecture Definition Document |
| ADEOS |
Advanced Earth Observation Satellite |
| ADFRF |
Ames-Dryden Flight Research Facility (now DFRC) (NASA) |
| ADM |
Atmospheric Dynamics Mission |
| ADMIN |
Administration |
| ADP |
Acceptance Data Package |
| ADPCM |
Adaptive Differential Pulse Code Modulation |
| ADS |
Astrophysics Data System |
| ADS |
Airbus Defense & Space |
| ADU |
Acquisition Data Unit |
| AE |
Atmospheric Explorer / Aeronomy Explorer |
| AEHF |
Advanced Extreme High Frequency Satellite |
| AEM |
Application Explorer Mission |
| AEN |
Änderungsantrag used in the EADS-ST in-house CMDB (SAP) for tracking of changes & releases |
| AEPS |
Advanced Electric Propulsion System |
| AERCam |
autonomous EVA robotic camera |
| AERCam |
Autonomous Extravehicular Activity Robot Camera |
| AES |
Advanced Exploration Systems |
| AES |
air evaporation system |
| AFA |
Amonia Filter Assembly |
| AFAIK |
As Far As I Know |
| AFD |
Alternate Flight Directors (loop) |
| AFDIR |
automated fault detection, isolation, & recovery |
| AFE |
Agency Furnished Equipment |
| AFOSR |
Air Force Office of Scientific Research |
| AFP |
Air Force Project |
| AFR |
anchor foot restraint |
| AFRL |
Air Force Research Laboratory |
| AFT |
abbreviated functional test |
| AGA |
Anomalous Gas Analyzer |
| AGC |
automatic gain control |
| AGCS |
ATV Ground Control Simulator |
| AGILE |
Astro-rivelatore Gamma ad Immagini Leggero |
| AGN |
Active Galactic Nucleus |
| AGSKP |
ATV Ground Segment Key Point |
| AGU |
American Geophysical Union |
| AI&T |
Assembly, Integration, & Testing |
| AI&V |
Assembly, Integration & Test |
| 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 |
Automatic Identification System |
| AISI |
American Iron & Steel Institute |
| AIT |
Assembly, Integration, & Testing |
| AIT |
Assembly, integration & Test |
| 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 |
| AL |
airlock |
| ALARA |
as low as reasonably achievable |
| ALBus |
Advanced eLectrical Bus |
| ALEXIS |
Array of Low-Energy X-Ray Imaging Sensors |
| ALHAT |
Autonomous Landing & Hazard Avoidance Technology |
| ALI |
Advanced Land Imager |
| ALIGN |
align control word |
| ALM |
additive layer manufacturing |
| ALOS |
Advanced Land Observation Satellite |
| ALPO |
Association of Lunar & Planetary Observers |
| ALS |
Advanced Launch System |
| ALSP |
advanced life support pack |
| ALSYS |
Airlock Systems |
| ALTEC |
ASI Logistics & Technology Engineering Center |
| ALTIUS |
Atmospheric Limb Tracker for Investigation of the Upcoming Stratosphere |
| AM |
amplitude modulation |
| AM0 |
air mass 0 (zero) |
| AMC |
Americom |
| AMCL |
As-Maintained Configuration List |
| AME |
absolute measurement error |
| AMEE |
Advanced Mission Evaluation Environment |
| AMICIST |
Auroral Microphysics & Ion Conics Investigation of Space & Time |
| AMMOS |
Advanced Multi-Mission Operations System |
| AMMP |
Aircraft Maintenance & Modification Program |
| AMO |
Agency Management & Operations |
| AMOS |
Affordable Modular Optimized Satellite |
| AMP |
ambulatory medical pack |
| AMPS |
Advanced Modular Power System |
| AMPTE |
Active Magnetospheric Particle Tracer Explorer |
| AMS |
Alpha Magnetic Spectrometer |
| AMS |
Advanced Meteorological Satellite |
| AMSAT |
Amateur Satellite |
| AMSC |
American Mobile Satellite Corporation |
| AMSR-E |
Advanced Microwave Scanning Radiometer for the Earth Observing System |
| AMSU |
Advance Microwave Sounding Unit |
| ANASIS |
Army / Navy / Air Force Satellite Information System |
| 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 |
| ANITA |
Analysing Interferometer for Ambient Air |
| ANNA |
Army, Navy, NASA, Air Force |
| ANR |
active noise reduction |
| ANS |
Astronomical Netherlands Satellite |
| ANSI |
American National Standards Institute |
| AO |
ASUSAT Oscar |
| AO |
Arsene Oscar |
| AO |
Announcement of Opportunity |
| AO |
Amsat Oscar |
| AOA |
Angle Of Attack |
| AOA |
Abort Once Around (Shuttle abort plan) |
| AOC |
auto orthogonality check |
| AOCS |
Attitude & Orbit Control System |
| AOI |
automated optical inspection |
| AOPS-CM |
ATV Ops Configuration Management |
| AOPS-PA |
ATV Ops Product Assurance |
| AOQ |
average outgoing quality |
| AOS |
Acquisition Of Signal |
| AOSAT |
Asteroid Origins Satellite |
| AOSO |
Advanced Orbiting Solar Observatory |
| AP |
Automated Procedure |
| AP |
attached payload |
| APAS |
androgynous peripheral attachment system |
| APDS |
autonomous peripheral docking system |
| APE |
absolute performance error |
| APEX |
Advanced Photovoltaic & Electronic Experiment |
| APEX-IK |
Active Plasma Experiment Interkosmos |
| APFR |
articulating portable foot restraint |
| APG |
Annual Performance Goal |
| API |
Application Program Interface |
| API |
Application Programming Interface |
| APID |
Application Identifier |
| APL |
Applied Physics Laboratory (Johns Hopkins University) |
| APLA |
Advanced Payload Laptop Application Meeting |
| APM |
Attached Pressurized Module (a.k.a. Columbus) |
| APMC |
Agency Program Management Council |
| APO |
Attached Phase Operations |
| APP |
a posteriori probability |
| 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 |
| APStar |
Asia Pacific Star |
| APT |
Associated Project Team |
| APTC |
ambient pressure thermal cycling |
| APU |
Auxiliary Power Unit |
| AQ |
Resolved Observations Relevant to Air Quality |
| AQL |
acceptance quality limit |
| AQL |
acceptance quality level |
| AR |
atmosphere revitalization |
| AR |
Anomaly Report |
| AR |
Assessment Review |
| ARAPAIMA |
Application for RSO Automated Proximity Analysis & Imaging |
| ARC |
Astrophysical Research Consortium |
| 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 |
Atmospheric Reentry Demonstrator |
| ARED |
Advanced Resistive Exercise Devise |
| ARES |
Active Radiation Environment Sensor |
| ARF |
alignment reference frame |
| ARGOS |
Advanced Research & Global Observation Satellite |
| ARIS |
active rack isolation system |
| ARKSAT |
Akansas Satellite |
| ARMA |
auto-regressive moving average |
| ARMD |
Aeronautics Research Mission Directorate |
| ARME |
absolute rate measurement error |
| ARPT |
analysis report |
| ARQ |
automatic repeat request |
| ARS |
Anomaly Reporting System |
| ART |
Anomaly Resolution Team (NASA) |
| ARTEMIS |
Acceleration, Reconnection, Turbulence & Electrodynamics of the Moon's Interaction with the Sun |
| ARTEMIS |
Advanced Relay TEchnology MISsion |
| ARTES |
Advanced Research in Telecommunications Systems |
| ARW |
angular random walk |
| AS |
Apollo Saturn |
| ASA |
Astronomical Society of the Atlantic |
| ASAP |
Aerospace Safety Advisory Panel |
| ASBM |
Arctic Satellite Broadband Mission |
| ASC |
Agence Spatiale Canadienne (also CSA) |
| ASC |
American Satellite Company |
| ASCA |
Advanced Satellite for Cosmology & Astronomy |
| 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 |
| ASE |
Airborne Support Equipment |
| ASEB |
Aeronautics & Space Engineering Board of the National Academies |
| ASEU |
Aft Skirt Electrical Umbilical |
| ASI |
Agenzia Spaziale Italiana |
| ASI |
Italian Space Agency (Agenzia Spaziale Italiana) |
| ASI |
Agencia Spatiale Italiano (Italian Space Agency) |
| ASIC |
application specific integrated circuit |
| ASIM |
Atmosphere Space Interaction Monitor |
| ASM |
attached sync marker |
| ASM |
analogue signal monitor |
| ASMA |
Autonomous System Management Architecture |
| ASME |
American Society of Mechanical Engineers |
| ASMP |
Aeronautics Strategy & Management Program |
| ASN |
Automated Stowage Note |
| ASP |
Astronomical Society of the Pacific |
| ASP |
Airspace Systems Program |
| ASPERA-3 |
Analyzer of Space Plasma & Energetic Atoms-3 |
| ASRM |
Advanced Solid Rocket Motor |
| 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 |
Avionics & Software Teleconference |
| 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 Test |
| 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 |
| 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 |
| ATEx-LEB |
Advanced Tether Experiment - Lower End Body |
| ATEx-UEB |
Advanced Tether Experiment - Upper End Body |
| ATHENA |
Advanced Telescope for High-Energy Astrophysics |
| ATHENOXAT |
Athene Noctua Experimental Satellite |
| ATK |
Alliant Techsystems Inc. |
| ATLAS |
Atmospheric Laboratory for Applications & Science |
| ATLO |
Assembly, Test, Launch Operations |
| ATM |
Asynchronous Transfer Mode |
| ATM |
asynchronous transmission mode |
| ATM |
Apollo Telescope Mount (on Skylab) |
| ATM |
Amateur Telescope Maker |
| ATM |
Atmosphere |
| ATMS |
Advanced Technology Microwave Sounder (NPOESS Preparatory |
| ATO |
Abort To Orbit |
| ATOX |
atomic oxygen |
| ATP |
Autorization To Proceed |
| ATP |
Aeronautics Test Program |
| ATP |
Astrophysics Theory Program |
| ATP+1m |
ATP plus 1 month |
| ATR |
attenuated total reflection |
| ATR |
acquisition transfer request |
| ATS |
Application Technology Satellite |
| ATTREX |
Airborne Tropical Tropopause Experiment |
| ATU |
Audio Terminal Unit |
| 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 |
| 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 |
| AVC |
arc voltage control |
| AVF |
artificial vision function |
| AVIM |
aviation intermediate maintenance |
| AVT |
acceptance vibration test |
| AVU |
artificial vision unit |
| AVU |
CCD artificial vision unit cursor control device |
| AW&ST |
Aviation Week & Space Technology (a.k.a. AvLeak) |
| AWG |
American wire gauge |
| AWGN |
additive white Gaussian noise |
| AWN |
angular white noise |
| AWS |
Advanced Wideband Satellite |
| AXAF |
Advanced X-ray Astrophysics Facility |
| AXAF-I |
Advanced X-Ray Astronomy Facility - Imager |
| AZ |
azimuth |
| Acc |
accessory |
| Acronym |
Meaning |
| AirMOSS |
Airborne Microwave Observatory of Subcanopy & Subsurface |
| AlSat |
Algerian Satellite |
| Almasat |
Alma Mater Satellite |
| 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 |
| Astro |
Astronomy Satellite |
| AvSP |
Aviation Safety Program |
| 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 |
| BAG |
Bandwidth Allocation Gap |
| BAI |
residual burst strength after impact |
| 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 |
| BBXRT |
Broad-Band X-Ray Telescope (ASTRO package) |
| BC |
bypass of acceptance check & control |
| BC |
bus controller |
| BC |
broadcast code |
| BC |
broadcast channel |
| BCC |
Back-up Control Center |
| BCDU |
battery charge–discharge unit |
| BCE |
Battery Conditioning Equipment |
| BCH |
Bose-Chaudhuri-Hocquenghem |
| BCI |
bulk cable injection |
| BCOP |
Bi-lateral Crew Operations Panel |
| BCRS |
barycentric celestial reference system |
| BCSR |
Baseline Check-Status Review |
| BCT |
Back-up Control Center Communications Team |
| BCTA |
bias calibration table assembly |
| BD |
Beidou |
| BDB |
Big Dumb Booster |
| BDC |
Baseline Data Collection |
| BDE |
Batch Data Entry |
| BDEALS |
Bi-Lateral Data Exchange Agreements List |
| BDM |
bi-level discrete monitor |
| BDT |
Back-up Control Center Deployment Team |
| BE |
Beacon Explorer |
| BEAR |
Beam Experiment Aboard Rocket |
| BEARS |
Berkeley Extreme UV Airglow Rocket Spectrometer |
| BEE |
basic end effector |
| BEM |
Bug-Eyed Monster |
| BEOS |
Bremen Experiment Operations System |
| BER |
bit error rate |
| BES |
Bus Enable Switch |
| BFN |
beam forming network |
| BFO |
blood-forming organ |
| 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 |
| BIMA |
Berkeley Illinois Maryland Array |
| BIOLAB |
Biological Laboratory |
| BIOS |
Biological Investigations of Space |
| BIOTESC |
Switzerland (Zurich) USOC |
| 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 |
| BIT |
built-in testing |
| BIVP |
Bilateral Integrated Verification Plan |
| BJT |
bipolar junction transistor |
| BLAST |
Bouchet Low-Earth Alpha/Beta Space Telescope |
| BLB |
Biolab |
| BLUEsat |
Basic Low Earth Orbit University of New South Wales Experiment Satellite |
| BM |
bus monitor |
| BMAR |
Back-log Maintenance & Repair |
| BMDO |
Ballistic Missile Defense Office (was SDIO) |
| BMDTTP |
Ballistic Missile Defense Test Target Program |
| BME |
Biomedical Engineer |
| BMS |
Battery Management System |
| BNSC |
British National Space Centre |
| BNSCSat |
British National Space Centre Satellite |
| 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 |
| BP |
Boiler Plate |
| BP/EGG |
blood pressure/electrocardiogram |
| BPA |
Blok Perspektivnoy Avioniki |
| BPDU |
Bitstream Packet Data Unit |
| BPR |
Baseline Performance Review |
| BPSK |
binary phase shift keying |
| BPSK |
binary phase shift keying (see PSK) |
| BR |
Bench Review |
| BRF |
boresight reference frame |
| BRI |
Basic Rate Interface |
| BRIC |
Biological Research In Canisters |
| BRICSat |
Ballistically Reinforced Communication Satellite |
| BRIsat |
Bank Rakyat Indonesia Satellite |
| BRO |
Breizh Reconnaissance Orbiter |
| BROS |
Binational Radiofrequency Observing Satellites |
| 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 |
Berth Survival Mode |
| BSP |
baseband signal processor |
| BSR |
back surface reflector |
| 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 |
| BUSAT |
Beihang University Satellite |
| BWB |
Blended Wing Body |
| B_TYPE |
broadcast type |
| BiCMOS |
bipolar complementary metal oxide semiconductor |
| Biosat |
Biological Satellite |
| C |
concentration expressed in mg/m3 |
| C |
capacitance |
| C&C |
command & control |
| C&C MDM |
Command & Control Multiplexer/Demultiplexer |
| C&CCP |
cleanliness & contamination control plan |
| C&CDH |
Command & Data Handling |
| C&DH |
Command & Data Handling |
| C&T |
Communications & Tracking |
| C&T |
communication & tracking |
| C&TS |
communication & tracking system |
| C&W |
Caution & Warning |
| C&WA |
Caution & Warning Analysis |
| C-OOS |
Columbus On-orbit Operations Summary |
| 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 |
| C3-PO |
Columbus Cloud Compute - Performance Ops |
| C3S |
Command, Control, & Communication Segment |
| CA |
construction analysis |
| CAA |
Crew Access Arm |
| CAAR |
compatibility assessment & applicability report |
| CACTUS |
Coordinated Applied Capitol Technology University Satellite |
| CAD |
computer aided design |
| 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 |
| CALIOP |
Cloud-Aerosol Lidar with Orthogonal Polarization |
| CALIPSO |
Cloud-Aerosol Lidar & Infrared Pathfinder Satellite Observations |
| CAM |
Centrifuge Accomodation Module |
| CAM/CAF |
computerized anatomical man/male / computerized anatomical female |
| CAMEO |
Chemically Active Materials Ejected in Orbit |
| CAN |
controller area network |
| CANYVAL-X |
CubeSat Astronomy by NASA & Yonsei using Vision ALignment eXperiment |
| CAPCOM |
Capsule Communicator |
| CAPE |
Cajun Advanced Picosat Experiment |
| CAPER |
Cleft Accelerated Plasma Experiment Rocket |
| CAPEX |
Capital Expenditures Airbus (CapEx) |
| CAPL |
Centre Aisle Payload |
| CAPSTONE |
Cislunar Autonomous Positioning System Technology Operations & Navigation Experiment |
| CAPSat |
Cooling, Annealing, Pointing Satellite |
| CARA |
Center for Astrophysical Research in Antarctica |
| CARA |
California Association for Research in Astronomy |
| 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 |
| CASA |
Crew Alternate Sleep Accommodation |
| CASIS |
Center for the Advancement of Science in Space |
| CASPA |
Cold Atom Space Payload |
| CAST |
Commercial Aviation Safety Team |
| CAT |
Configuration Assessment Tool |
| CAT |
CubeSat Assessment & Test |
| CAT |
Capsule Ariane Technologique |
| CATIA |
Drawing Program Name |
| CATO |
Communication & Tracking Officer |
| CATS |
Cloud-Aerosol Transport System |
| CATS |
Cheap Access To Space |
| CAVES |
Cooperative Adventure for Valuing & Exercising human behavior & performance Skills |
| CB |
Connection Box |
| CB INT |
Control Bus Internal |
| CBA |
common berthing adapter |
| CBCP |
current baseline cost plan |
| CBCS |
Computer Based Control System |
| CBERS |
China Brazil Earth Resources Satellite |
| CBGA |
ceramic ball grid array |
| CBM |
common berthing mechanism |
| CBR |
Constant Bit Rate |
| CBS |
cost breakdown structure |
| CBT |
Computer Based Tools |
| CC |
Centennial Challenges Program |
| CC |
Control Centre |
| CC&M |
common cause & common failure mode analysis |
| CCA |
Carbon Dioxide Control Assembly |
| CCACS |
Center for Commercial Applications of Combustion in Space |
| CCAFS |
Cape Canaveral Air Force Station |
| CCAS |
Cape Canaveral Air Station (now once again CCAFS) |
| CCB |
Change Control Board / Contract Change Board |
| CCD |
Charge-Coupled Device |
| CCDB |
configuration control database |
| CCDPI |
command, control, & data prime item |
| CCDS |
Centers for the Commercial Development of Space |
| CCDev |
Commercial Crew Development |
| CCE |
Charge Composition Explorer |
| CCGA |
ceramic column grid array |
| CCHP |
constant conductance heat pipe |
| CCITT |
Consultative Committee for International Telegraph & Telephone |
| CCM |
CoFR Coordination Manager |
| CCMC |
Community Coordinated Modeling Center |
| CCN |
Contract Change Notice |
| CCP |
Commercial Crew Program |
| CCPK |
crew contaminant protection kit |
| CCPK |
Crew Contamination Protection Kit |
| CCR |
Corner Cube Reflector |
| CCS |
Cuts, Consolidations, & Savings |
| CCS |
Columbus Coolant Service |
| CCS |
Command & Control Software |
| CCSDS |
Consultative Committee for Space Data Systems |
| CCSFS |
Cape Canaveral Space Force station |
| CCSP |
Climate Change Science Program |
| CCTV |
closed circuit television |
| CCU |
Configuration Control Unit |
| CD |
Compact Disc |
| CD-MCS |
Columbus Decentralized Mission Control System |
| CD-ROM |
Compact Disc Read-Only Memory |
| CDA |
Cabin Depressurization Assemblies |
| CDC |
Centers for Disease Control |
| CDF |
Concurrent Design Facility |
| CDG |
Command & Data Group |
| CDI |
Configuration Data Item |
| CDL |
capillary driven loop |
| CDM |
Commercial Development Manager |
| CDMCS |
Columbus Distributed Monitoring & Control Subsystem |
| CDMI |
Columbus Data Management Infrastructure |
| CDMU |
command & data management unit |
| CDMU |
central data management unit |
| CDR |
Commander |
| CDR |
Critical Design Review |
| CDRA |
Carbon Dioxide Removal Assembly |
| CDRS |
Carbon Dioxide Reduction |
| CDRS |
Carbon Dioxide Removal System |
| CDS |
Capability Demonstration Satellite |
| CDT |
Customer Documentation Tree |
| CDU |
Configuration Data Unit |
| CE |
Conformité Européenne |
| CE |
conducted emission |
| 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 |
| CENELEC |
Comité Européen de Normalisation Electrotechnique |
| CEO |
Crew Earth Observation |
| CEOS |
Committee on Earth Observation Satellites (LaRC) |
| CEP |
Cylindrical Electrostatic Probe |
| CEPA |
Columbus External Payload Adapter |
| CEPXS/ONELD |
One-dimensional Coupled Electron-Photon Multigroup Discrete Coordinates Code System |
| CERES |
Capacité de Renseignement Electromagnétique d’origine Spatiale |
| CERES |
Central European Regional Satellite |
| CERES |
Clouds & the Earth's Radiant Energy System |
| CERN |
European Organisation for Nuclear Research |
| CERT |
ESA Computer & Communications Emergency Response Team |
| CESAR |
Chile Satellite for Amateur Radio |
| CESR |
Centre d'Etude Spatiale des Rayonnements Mars exploration |
| CET |
Central European Time |
| CETA |
crew & equipment translation assembly |
| CEU |
control electronics unit |
| CEV |
Crew Exploration Vehicle (old Constellation term) |
| CEX |
charge exchange |
| CF |
communication frame |
| CFA |
Cabin Fan Assembly |
| CFA |
Center For Astrophysics |
| CFC |
ChloroFluoroCarbon |
| CFD |
Computational Fluid Dynamics |
| 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 |
| CFN |
Columbus Flight Note |
| CFO |
Chief Financial Officer |
| CFRP |
carbon fibre reinforced plastic |
| CFRP |
carbon-fibre-reinforced plastic |
| CFRP |
carbon fibre reinforced polymer |
| CFU |
colony forming unit |
| CG |
Center of Gravity |
| CGA |
column grid array |
| 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 |
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 |
| CHEOPS |
Characterising Exoplanets Satellite |
| CHI |
Computer Human Interface |
| CHIA |
cargo-handling interface adapter |
| CHIPS |
Cosmic Hot Interstellar Plasma Spectrometer |
| CHIRP |
CubeSat VHF pulse transmitter to study the Ionospheric dispersion Radio Pulses |
| CHIRP |
Commercially Hosted Infrared Payload |
| CHOMPTT |
CubeSat Handling Of Multisystem Precision Time Transfer |
| CHP |
Crew Health & Performance |
| CHRS |
centralized heat removal system |
| CHS |
Crew Health & Safety |
| CHX |
Condensing Heat Exchanger |
| CHeCS |
Crew Health Care System |
| CI |
Configuration Item |
| CIB |
Continuous Improvement Board |
| CIC |
connector integrated cell |
| CIC |
Copper - Invar - Copper |
| CICERO |
Community Initiative for Cellular Earth Remote Observation |
| CID |
circuit interrupt device |
| CIDL |
Configuration Item Data List |
| CIDP |
Central Instrument Data Processor |
| CIF |
Center Innovation Fund Program |
| CIL |
critical item list |
| CIL |
critical-item list |
| CIL |
critical items list |
| CIMON |
Crew Interactive MObile companioN |
| CINDI |
Coupled Ion Neutral Dynamics Investigation |
| CINEMA |
CubeSat for Ions, Neutrals, Electrons, & Magnetic fields |
| CIO |
Chief Information Officer |
| CIOP |
Columbus Increment Operations Planner |
| CIP |
Configuration Item Production Data List |
| 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 |
CGS Interface Server |
| CIS |
Centre for Internet Security |
| CIT |
Circumstellar Imaging Telescope |
| CIU |
Central Interface Unit |
| CI± |
chemical ionization |
| CJ |
Congressional Justification (Budget) |
| CL |
Confidence Level |
| CLA |
capture latch assembly |
| CLARREO |
Climate Absolute Radiance & Refractivity Observatory |
| CLCC |
ceramic leaded chip carrier |
| CLCW |
communications link control word |
| CLCW |
command link control word |
| CLICK |
CubeSat Laser Infrared Crosslink |
| CLIP |
Columbus Lead Increment Planner |
| CLS |
Columbus Language System |
| CLSOV |
Condensate Line Shut Off Valve |
| CLSRB |
Current Launch Schedule Review Board |
| CLSW |
Columbus LAN Switch |
| CLTU |
communications link transmission unit |
| CLTV |
Cis-Lunar Transfer Vehicle |
| CLV |
Commercial Launch Vehicle |
| CM |
Center of Mass |
| CM |
Columbus module |
| CM |
Command Module |
| CM |
Command Module (Apollo spacecraft) |
| CM |
Configuration Management |
| CMA |
Crew Module Adapter |
| CMASS |
Crew Module Ammonia Servicing Subsystem |
| CMAU |
Columbus network Monitoring & Administration Unit |
| CMBR |
Cosmic Microwave Background Radiation |
| CMC |
Center for Macromolecular Crystallography |
| CMC |
Ceramic Matrix Composites |
| CMCC |
Central Mission Control Centre (ESA) |
| CMDB |
Configuration Management Database |
| CME |
Coronal Mass Ejection |
| CMG |
control moment gyroscope |
| CMIF |
complex mode indicator function |
| CMILP |
consolidated maintenance inventory logistics planning |
| CMIP |
Common Management Information Protocol |
| CML |
current mode logic |
| CMM |
carrier modulation mode |
| CMMI |
capability maturity model integration |
| CMO |
Center Management Operations |
| CMO |
crew medical officer |
| CMOS |
complementary metal oxide semiconductor |
| CMP |
Configuration Management Plan |
| CMRD |
Configuration Management Receipt Desk |
| CMRS |
crew medical restraint system |
| CMS |
Countermeasure System |
| CMS |
carbon molecular sieve |
| CMS |
Carbon Monitoring System |
| CMS |
countermeasures system |
| CMU |
Command & Measurement Unit |
| CMV |
Co-Manifested Vehicle |
| CMW |
Change Management Workflow |
| CMWG |
Configuration Management Working Group |
| CN |
change notice |
| CN |
criticality number |
| CNES |
Centre Nationale D’Etudes Spatiale (French Space Agency) |
| CNO |
Carbon-Nitrogen-Oxygen |
| CNQ |
Cost of No Quality |
| CNS |
central nervous system |
| CNSR |
Comet Nucleus Sample Return |
| CNUSail |
Chungnam National University Sail |
| CO |
Carbon Monoxide |
| CO2 |
Carbon Dioxide |
| COA |
Certificate of Acceptance |
| COAP |
COre APplication Software |
| COB-ID |
communication object identifier |
| COBE |
Cosmic Background Explorer |
| COBRAS |
Cosmic Background Radiation Anisotropy Satellite |
| COC |
cross orthogonality check |
| COF |
Columbus Orbital Facility |
| COF-APM |
Columbus Orbital Facility - Attached Pressurized Module |
| COG |
centre of gravity |
| 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 |
| COLEST |
Columbus Operations |
| COLKA |
Columbus Ka-Band Antenna |
| COM/MON |
Command/Monitoring |
| COMET |
Commercial Experiment Transporter |
| COMET |
Columbus Operation & Mission Execution Timeline Engineer |
| COMETS |
Communication Engineering Test Satellite |
| COMMA |
comma K28.7 |
| COMMS |
Communications |
| COMPTEL |
COMPton TELescope (on CGRO) |
| COMS |
Communication, Ocean & Meteorological Satellite |
| CONAE |
Argentina’s National Committee of Space Activities |
| CONFIG |
Configuration |
| CONTOUR |
Comet Nucleus Tour |
| 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 |
Communications Outage Recorder |
| CORB |
Columbus Operations Readiness Board |
| CORBA |
Common Object Request Brocker Architecture |
| COROT |
Convection Rotation à Transits planétaires / Convection Rotation & planetary Transits |
| COS |
Celestial Observation Satellite |
| COSMIC |
Constellation Observing System for Meteorology, Ionosphere & Climate |
| COSMO |
Columbus On-orbit Stowage & Maintenance Officer |
| COSMO |
Constellation of Small Satellites for Mediterranean basin observation |
| COSPAR |
Committee on Space Research |
| COSPE |
composite over-wrapped special pressurized equipment |
| COSTAR |
Corrective Optics Space Telescope Axial Replacement |
| COT |
Crew Operations Team |
| COTS |
Commercial Off-The-Shelf |
| COTS |
Commercial Orbital Transportation Services |
| COTS |
Commercial Off The Shelf |
| COU |
Concept of Operations & Utilization |
| COUP |
Consolidated Operations & Utilization Plan |
| CP |
Check Point |
| CP |
Cal Poly Picosatellite |
| 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 |
chlorinated poly ethylene |
| CPI |
Columbus Payload Integration |
| CPIA |
chemical propulsion information agency |
| CPL |
capillary pumped loop |
| CPLSW |
Columbus Payload LAN SWitch |
| CPM |
critical path method |
| CPOD |
Cubesat Proximity Operations Demonstration |
| CPP |
Central Part Procurement |
| CPPA |
centralized parts procurement agent |
| CPPI |
crystal preparation prime item |
| CPRP |
Critical Path Road Map Project |
| CPS |
Consolidated Planning System |
| CPS |
Cryogenic Propulsion Stage |
| CPST |
Cryogenic Propellant Storage & Transfer |
| CPU |
Computer Processing Units |
| CPU |
central processing unit |
| CPV |
composite pressure vessel |
| CQ |
Crew Quarter |
| CQRM |
Crew Qualification Requirement Matrix |
| CR |
Change Request |
| CRA |
cleaning requirement analysis |
| CRAF |
Comet Rendezvous / Asteroid Flyby |
| CRC |
cyclic redundancy check |
| CRC |
cyclic redundancy code |
| CREAM |
Cosmic Ray Energetics & Mass |
| CREME |
cosmic ray effects on microelectronics |
| CRES |
corrosion-resistant steel |
| CRF |
Capability Reliance Framework |
| CRI |
Center for Rotorcraft Innovation |
| CRISTA-SPAS |
Cryogenic Infrared Spectrometers & Telescopes for the Atmosphere Shuttle Palette Satellite |
| CRL |
Cambridge Research Laboratory Satellite |
| CRO |
Chemical Release Observation |
| CRONUS |
Communications |
| CRPCM |
Canadian remote power control module |
| CRR |
customer requirements review |
| CRR |
commissioning results review |
| CRR |
commissioning result review |
| CRRES |
Combined Release / Radiation Effects Satellite |
| CRS |
Commercial Resupply Services |
| CRT |
Centerline Reflector Target |
| CRV |
Crew Return Vehicle |
| CRYOSTAT |
Cryogenic Propellant Storage & Transfer |
| CS |
Communication Satellite |
| CSA |
Canadian Space Agency (also ASC) |
| CSA |
Canadian Space Agency |
| 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 |
Computer Sciences Corporation |
| CSC |
Commercial Space Centers |
| CSCI |
Computer Software/system Configuration Item |
| CSD |
coordinate systems document |
| CSDA |
continuous slowing down approximation range |
| CSDDD |
communication system detailed design document |
| CSES |
China Seismo-Electromagnetic Satellite |
| CSG |
Centre Spatial Guyanais - Kourou Launch Site |
| CSG |
Crew Support Group |
| CSI |
customer source inspection |
| CSIC |
CMV Software Integegration Cycle |
| CSLE |
Civil Service Labor & Expenses |
| CSM |
Command & Service Module (Apollo spacecraft) |
| CSOAR |
Colorado Student Atmospheric Rocket |
| CSOC |
Consolidated Space Operations Center |
| CSOM |
communication system operations manual |
| CSPD |
communication system profile document |
| CSPE |
Colorimetric Solid Phase Extraction |
| CSR |
Communication Service Request |
| CSRD |
Current Stage Requirement Document |
| CSS |
Core Simulation Software |
| CSSWE |
Colorado Student Space Weather Experiment |
| CST-100 |
Crew Space Transportation 100 |
| CSTC |
Consolidated Space Test Center (USAF) |
| CSTD |
Crosscutting Space Technology Development |
| CSUNSat |
California State University Northirdge Satellite |
| CSV |
comma-separated values |
| CSVP |
communication system verification plan |
| CSVS |
Canadian space vision system |
| CT |
Crawler Transporter |
| CTA |
Canadian Target Assembly |
| CTB |
Cargo Transfer Bag |
| CTB |
Central Thermal Bus |
| CTC |
Chief Technologist Council |
| CTCA |
Cabin Temperature Control Assembly |
| CTCU |
Cabin Temperature Control Unit |
| CTE |
charge transfer efficiency |
| CTE |
coefficient of thermal expansion |
| CTG |
Communication & Tracking Group |
| CTI |
charge transfer inefficiency |
| CTIM-FDA |
Compact Total Irradiance Monitor Flight Demonstration |
| CTIO |
Cerro Tololo Interamerican Observatory |
| CTLP |
compatibility testing for liquid propulsion |
| CTM |
crew transportation module |
| CTM |
Command & Telemetry Machine |
| CTOD |
crack tip opening displacement |
| CTP |
Core Technology Programme |
| CTR |
current transfer ratio |
| CTS |
Crew Transportation System |
| CTS |
Communication Technology Satellite |
| CTT |
consent to transport |
| CTV |
Crew Transport Vehicle |
| CU |
control unit |
| CU-E3 |
Colorado University Earth Escape Explorer |
| CUC |
CCSDS unsegmented code |
| CUC |
CCSDS unsegmented time code |
| CUI |
Controlled Unclassified Information |
| CUNYSAT |
City University of New York Satellite |
| CUP |
Composite Utilization Plan |
| CUP |
Cupola |
| CUSat |
Cornell University Satellite |
| CUTE |
Cubical TITech Engineering Satellite |
| 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 |
command word |
| CW |
continuous wave |
| CWAS |
Cryogenic Whole Air Sampler |
| CWC |
collapsible waste container |
| CWP |
control work package |
| CWRS |
Condensate Water Recovery System |
| CX |
Chuang Xin |
| CX |
Citizen Explorer |
| CXBR |
Cosmic X-ray Background Radiation |
| CXO |
Chandra X-Ray Observatory |
| CY |
Calendar Year |
| CZT |
cadmium zinc telluride (semiconductor material) |
| CaLeMPSat |
Cathode-Less Micro Propulsion Satellite |
| CaNOP |
Canopy Near-IR Observing Project |
| Cal |
calibration |
| Calsphere |
Calibration Sphere |
| 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 |
| ChemCam |
Chemistry Camera |
| Chit |
Change Item |
| 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 confirmity |
| CoC |
certificate of conformance |
| CoF |
Construction of Facilities |
| CoFR |
Certificate of Flight Readiness |
| CoFR |
Certification of Flight Readiness |
| CoM |
centre of mass |
| CoMAC |
coordinate modal assurance criterion |
| CoNNeCT |
Communications, Navigation, & Networking reConfigurable Test Bed |
| CoSTEM |
OSTP interagency Committee on STEM Education |
| 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 |
| Coronas |
Comprehensive Orbital Near-Earth Observations of the Active Sun |
| Corsa |
Cosmic Radiation Satellite |
| 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 |
| CySat |
Cyclone Satellite |
| D&C |
display & control |
| 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 |
| DA |
Deutsche Aerospace |
| DAAC |
Distributed Active Archive Centers |
| DAC |
design analysis cycle |
| DAD |
Double Air Density |
| DAG |
DaSS Access Gateway |
| DAILI |
Daily Atmospheric Ionospheric Limb Imager |
| DAIU |
docked audio interface unit |
| DAM |
Directory Access Management |
| DAMEC |
Denmark (Odense) USOC |
| DAN |
Dynamic Albedo of Neutrons |
| DANDE |
Drag & Atmospheric Neutral Density Explorer |
| DARPA |
Defense Advanced Research Projects Agency |
| DARPASAT |
Defense Advanced Research Projects Agency Satellite |
| DART |
Double Asteroid Redirection Test |
| DART |
Demonstration of Autonomous Rendezvous Technologies |
| DARTfire |
Diffusive & Radiative Transport controlled fire |
| DAS |
data acquisition system |
| DASH |
Demonstrator of Atmospheric reentry System with Hyperbolic velocity |
| DASH |
Density & Scale Height |
| DASS |
Data Acquisition Sub-System |
| DATS |
Despun Antenna Test Satellite |
| DB |
design baseline |
| DBB |
Data Base Browser |
| DBC |
direct bonded copper |
| DBMS |
Data Base Management System |
| DBS |
Direct Broadcasting Satellite |
| DBS |
Database Server |
| DBS |
Data Base Services |
| DC |
Delta Clipper |
| DC |
Docking Compartment |
| DCAA |
Defense Contract Audit Agency |
| DCB |
development configuration baseline |
| DCC |
dry cargo carrier |
| DCCS |
Document Change Control System |
| DCI |
decompression illness |
| DCL |
declared part list |
| DCL |
declared components list |
| DCL |
declared component list |
| DCLA |
Design Coupled Load Analysis DCN Document Change Notice |
| DCMA |
Defense Contract Management Agency |
| DCP |
development cost plan |
| DCPCG |
dynamically controlled protein crystal growth |
| DCR |
Document Change Request |
| DCSU |
direct-current switching unit |
| DCX |
Delta Clipper eXperimental |
| DD |
displacement damage |
| DD |
design documentation |
| DDC |
distribution data counter |
| DDCU |
DC-to-DC Converter Unit |
| DDCU |
direct-current-to-direct-current converter unit |
| DDE |
FOD’s Distributed Development Environment |
| DDED |
Detailed Data Editor |
| DDEF |
displacement damage equivalent fluence |
| DDF |
design & definition file |
| DDF |
design definition file |
| DDP |
Design & Development Plan |
| DDR |
detailed design review |
| DDREF |
dose & dose rate effectiveness factor |
| DDS |
Data & Documentation Service |
| DDS |
Data Distribution Service |
| DDT&E |
Design, Development, Test, & Evaluation |
| DDTE |
Design, Development, Test, & Evaluation |
| DE |
Dynamics Explorer |
| DEBUT |
Deployable Boom & Umbrella Test |
| DEC |
dynamic evaluation circuit |
| DECAT |
Dynamic Engineering Communications Analysis Testbed |
| DEMETER |
Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions |
| DEOS |
Deutsche Orbitale Servicing Mission |
| DES |
data encryption standard |
| DESDynI |
Deformation, Ecosystem Structure, & Dynamics of Ice |
| DESPATCH |
Deep Space Amateur Troubadour’s Challenge |
| DF |
definition file |
| DFAT |
Direct Field Acoustics Test |
| DFH |
Dong Fang Hung |
| DFMR |
design for minimum risk |
| DFP |
Data Flow Plan |
| DFRC |
Dryden Flight Research Center |
| DFRF |
Dryden Flight Research Facility (was ADFRF, now DFRC) |
| DFS |
Development Flight Satellite |
| DFS |
Deutscher Fernmelde Satellit |
| DFT |
data flow test |
| DFT |
design for test |
| DG-C |
Director General Cabinet |
| DG-Z |
DDS Delayed Ground Zone |
| DGD |
direct gradient discharge |
| DHM |
digital human model |
| DHMR |
dry heat microbial reduction |
| DHS |
data handling system |
| DIA |
Details Impact Assessment |
| DICE |
Dynamic Ionosphere Cubesat Experiment |
| DID |
Data Item Description |
| DIFA |
Data Interface Assembly DIL Deliverable Items List |
| DIL |
dual-in-line |
| DIL |
deliverable items list |
| DIMA |
Distributed IMA |
| DIMS |
Digital Imagery Management System |
| DIRO |
Directorate Information & Record Officer |
| DIS |
Distributed Interactive Simulation (IEEE 1278.1-2012 v7) |
| 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 |
| 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 |
| DLAT |
destructive lot acceptance test |
| DLL |
data link layer |
| DLL |
design limits loads |
| DLL |
design limit load |
| 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 |
| DMA |
direct memory access |
| DMC |
Data Management Computer |
| DMC |
Data Management Coordinator |
| DME |
Direct Measurement Explorer |
| DME |
Development, Modernization, & Enhancement |
| DML |
declared materials list |
| DML |
declared material list |
| DMP |
Declared Mechanical Parts List DMS Data Management System |
| DMPL |
declared materials & processes list |
| DMPL |
declared mechanical parts list |
| DMPL |
declared mechanical part list |
| DMPR |
Deployable Mechanical Pumped Radiator |
| DMS |
Document Management System |
| DMS |
Data Management Subsystem |
| 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 |
| DNase |
Deoxyribonuclease |
| DO |
DOVE Oscar |
| DO45 |
Flight Planning & Pointing Group |
| DOD |
depth of discharge |
| DOD |
Department Of Defense (sometimes DoD) |
| DODGE |
Department of Defense Gravity Gradient Experiment |
| DOE |
Department of Energy |
| DOI |
Department of Interior |
| DOP |
dioctylphthalate, synonym bis (2-ethylhexyl) phthalate |
| DOP |
dioctylphthalate, synonym bis (2ethylhexyl) phthalate |
| DOP |
dioctylphthalate |
| DOR |
Daily Operations Report |
| DORIS |
Doppler Orbitography by Radiopositioning Integrated by Satellite (Ocean |
| DOS |
Dolgovremennaya Orbitalnaya Stanziya |
| DOSRAD |
software to predict space radiation dose at system & equipment level |
| DOSS |
Differential Optical Shadow Sensor |
| DOT |
Department of Transportation |
| DOVE |
Digital Orbiting Voice Encoder |
| DOY |
Day of Year |
| DP |
Data Package |
| DPA |
destructive physical analysis |
| DPAK |
diode package |
| DPC |
Daily Planning Conference |
| DPL |
declared processes list |
| DPL |
declared process list |
| DPL |
declared parts list |
| DPMC |
Directorate Program Management Council |
| DPO |
attitude control thruster |
| DPR |
Dual-frequency Precipitation Radar (Global Precipitation Measurement |
| DPU |
data processing unit |
| DQ |
Da Qi |
| DQM |
Data Quality Monitoring |
| DR |
Decommissioning Review |
| DR |
Discrepancy Report |
| DR |
Disposition Record |
| DRA |
Draft |
| DRAM |
dynamic random access memory |
| DRB |
delivery review board |
| DRC |
design rule check |
| DRC |
design rules check |
| DRD |
Document Requirements Definition |
| DRI |
Distant Retrograde Insertion |
| DRIFT |
diffuse reflection infrared Fourier transform |
| DRIMS |
Delta Redundant Inertial Measurement System |
| 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 |
Direct Receiving Station |
| DRS |
Data Relay Satellite |
| DRTS |
Data Relay & Tracking Satellite |
| DRVID |
differenced range versus integrated Doppler |
| DS |
Dneprovskiy Sputnik |
| DS |
Deep Space |
| DS-DE |
data-strobe, differentially ended |
| DSAC |
Deep Space Atomic Clock |
| DSC |
differential scanning calorimetry |
| DSC |
differential scanning calorimeter |
| DSCOVR |
Deep Space Climate Observatory |
| DSCS |
Defense Space Communication System |
| DSCS |
Defense Satellite Communications System |
| DSE |
Distributed Sensing Experiment |
| DSG |
Deep Space Gateway |
| DSI |
Deutsches SOFIA Institut |
| DSLWP |
Discovering the Sky at Longest Wavelengths Pathfinder |
| DSM |
Docking & Stowage Module |
| DSN |
Deep Space Network |
| DSNU |
dark signal non-uniformity |
| DSO |
Deep Sky (or Space) Object |
| DSP |
Defense Support Program (USAF/NRO) |
| DSPK |
Dual Speaker Unit |
| DSPSE |
Deep Space Program Science Experiment |
| DSPSE-ISA |
Deep Space Program Science Experiment - Interstage Adaptor |
| DSS |
Deep Space Station |
| DST |
Daily Science Tag |
| DSXR |
Deep Space eXploration Robotics |
| DTA |
differential thermal analysis |
| DTD |
distribution transfer descriptor |
| DTE |
Data Transmission Equipment |
| DTGS |
deuterated triglycine sulphate IR detector |
| DTM |
density & temperature model |
| DTN |
Disruption Tolerant Networking |
| DTR |
Data Transfer Review |
| DTUSat |
Danmarks Tekniske Universitet Satellite |
| DU |
Display Unit |
| DUL |
design ultimate load |
| DUNDEE |
Down Under Early Warning Experiment |
| DUNS |
data universal numbering system |
| DUSTIE |
Dust Sounder & Temperature Imager Experiment |
| DUT |
device under test |
| DUTHSat |
Democritus University of Thrace Satellite |
| DUVE |
Diffuse Ultra Violett Experiment |
| DVC |
Digital Video Controller |
| DVD |
Digital Versatile Disc |
| DVG |
direct voltage gradient |
| DVICE |
Digital Voice Intercommuncations Equipment |
| DVP |
design validation plan |
| DVT |
design verification test |
| DW |
data word |
| DWG |
Disciplines Working Group |
| DWV |
dielectric withstanding voltage |
| DXF |
drawing exchange format |
| DYL |
design yield load |
| DaRT |
Data Request Tool |
| DaSS |
Data Servicing System |
| DaSS |
Data Services Subsystem |
| DaSS |
Data Services System |
| Dawn |
NASA Science Mission Directorate Discovery Program Mission |
| Detailed |
Design Phase |
| Dial-MIKA |
Diamant Allemagne - Mini Kapsel |
| Dial-WIKA |
Diamant Allemagne - Wissenschafts Kapsel |
| DoF |
degree of freedom |
| DumSat |
Dummy Satellite |
| E |
Execution |
| E-2-E |
End-to-End |
| E-CHIT |
European Mission Request (MCC-H) |
| E-DCP |
Extended Design Consolidation Phase |
| 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 |
| EAC |
European Astronaut Centre |
| EACP |
EMU audio control panel |
| EACP |
EVA audio control panel |
| EAFB |
Edwards Air Force Base |
| EAGLE |
ESPA Augmented Geostationary Laboratory Experiment |
| EAI |
Excalibur Almaz, Inc. |
| EAR |
Export Administration Regulation |
| EARM |
ECSS applicable requirements matrix |
| EAS |
early ammonia servicer |
| EAST |
East African Satellite Telecomunication |
| EATCS |
external active thermal control system |
| EB |
electron beam |
| EBB |
elegant breadboard |
| EBF |
end broadcast frame |
| EBM |
Emergency Breathing Mask |
| EBNF |
extended Backus‐Naur form |
| EBNF |
extended Backus-Naur form |
| EBW |
electron beam welding |
| EC |
economic conditions |
| EC |
European Commission |
| ECB |
Engineering Change (or Control) Board |
| ECB |
Engineering Change Board |
| ECCS |
expendable charcoal catalyst system |
| ECD |
Estimated Completion Date |
| ECDL |
Engineering Change Data List |
| ECEF |
Earth centred Earth frame |
| ECG |
Environmental Control Group |
| 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 |
ECSS compliance matrix |
| ECOH |
EPT Console Operations Handbook |
| ECOMM |
early communication |
| ECOS |
ESA Costing Software |
| ECOSTRESS |
Ecosystem Spaceborne Thermal Radiometer Experiment on Space Station |
| ECP |
Engineering Change Proposal |
| ECR |
Environmental Compliance & Restoration |
| ECR |
Engineering Change Request |
| ECS |
European Communication Satellite |
| ECS |
Experimental Communication Satellite |
| ECS |
Environmental Control System |
| ECS |
early communication subsystem |
| ECSL |
environmental control & life support |
| ECSS |
European Cooperation for Space Standardisation |
| ECT |
Energetic Particle, Composition & Thermal Plasma |
| ECU |
electronics control unit |
| ED |
Department of Education |
| ED |
NASA Education |
| EDA |
En Route Descent Advisor |
| EDD |
Event Driven Delivery |
| EDF |
end data frame |
| EDIF |
electronic design interchange format |
| EDL |
Entry, Descent, & Landing |
| EDLT |
Entry, Descent & Landing Technologies |
| EDM |
electro discharge machining |
| EDO |
Extended Duration Orbiter |
| EDR |
European Drawer Rack |
| EDR |
Environmental Data Record |
| EDR2 |
European Drawer Rack Mark 2 |
| EDS |
electronic data sheet |
| EDU |
Engineering Development 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 |
| EEG |
Electroencephalography |
| EEGS |
Emergency Egress Guidance |
| EEL |
emergency egress light |
| EELV |
Evolved Expendable Launch Vehicle |
| EEO |
Equal Employment Opportunities |
| EEP |
error end of packet |
| EEPROM |
electrically erasable programmable read-only memory |
| EES |
European Emergency Simulation |
| EETCS |
early external thermal control system |
| EEU |
equipment exchange unit |
| EF |
exposed facility |
| EFA |
engineering feasibility assessment |
| EFB |
Electronic Field Book |
| EFGF |
electrical flight grapple fixture |
| EFIS |
ESA Financial & Invoicing System |
| EFN |
Electrical Flight Note |
| 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 |
| 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 |
| 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 |
| EIS |
External Interface Server |
| 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 |
| 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 |
| ELPO&TD |
Execute level Planning Operations & Tool Development |
| ELR |
end-of-life review |
| ELS |
enviornmental life support |
| ELT |
European Laser Timing (ACES) |
| ELV |
Expendable Launch Vehicle |
| ELVIS |
ELV Integrated Support |
| EM |
experiment module |
| EM |
Engineering Model |
| EM2 |
Electronics Box Engineering Model 2 |
| EMA |
External Monitoring Aids |
| EMAC |
Exploration Mission Analysis Cycle |
| EMB |
(ESA ISS) Exploitation Management Board |
| EMC |
electromagnetic compatibility |
| EMCAB |
electromagnetic compatibility advisory board |
| EMCAB |
EMC Advisory Board |
| EMCCP |
electromagnetic compatibility control plan |
| EMCS |
European Modular Cultivation System |
| EMCY |
Emergency Object |
| EME |
Electromagnetic Environment |
| EMEVP |
electromagnetic effects verification plan |
| EMEVR |
electromagnetic effects verification report |
| 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 |
| EML |
Electromagnetic Levitator |
| EMMI |
EVA man-machine interface |
| EMS |
Element Management System |
| EMS-R |
European Mission Support (room) Russia |
| EMSA |
European Moscow Support Room |
| EMSR |
ESA Mission Support Room in MCC-M |
| EMTGO |
ExoMars Trace Gas Orbiter |
| EMU |
Extravehicular Mobility Unit |
| EN |
Execution Note |
| ENA |
Enabled |
| ENCWG |
ESA-NASA GS Coordination Working Group (sub-panel of ISS GSCB) |
| ENG |
Engineering |
| EO |
Earth Orbiter |
| EO |
Equal Opportunity |
| EO-1 |
Earth Observing-One Mission |
| EODF |
European Operations Data File |
| EOL |
end of lifetime |
| EOL |
end-of-life |
| EOL |
end of life |
| EONS |
Education Opportunities in NASA STEM |
| EOP |
end of packet |
| EOP |
end of packet marker |
| EOR |
Electric Orbit Raising |
| EOS |
Earth Observing System |
| EOS-ALT |
Earth Observation System - Altimetry |
| EOS-AM |
Earth Observation System - At Morning |
| 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 |
| EP |
Earth Probe |
| EPA |
Environmental Protection Agency |
| EPC |
Electronic Pump Controller |
| EPCB |
Execute Planning Control Board |
| EPCE |
electrical power-consuming equipment |
| 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 |
| EPIC |
European Photon Imaging Camera on the ESA X-ray Multi-Mirror (XMM) mission |
| EPIC Team |
European Planning & Increment Coordination Team |
| EPIP |
Execute Planning Implementation Plan |
| EPM |
European Physiology Module |
| EPMA |
Evaluation, Performance Monitoring, & Accountability (NASA, Education) |
| EPMT |
Exploitation Project Management Team |
| EPO |
Education Payload Operation Greenhouse |
| EPOCh |
Extrasolar Planet Observations & Characterization |
| EPOXI |
Extrasolar Planet Observation & Deep Impact Extended Investigation |
| EPPL |
European preferred parts list |
| EPR |
ethylene propylene rubber |
| EPROM |
erasable programmable read only memory |
| EPS |
Electrical Power System |
| 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&T |
engineering research & technology |
| ERA |
European Robotic Arm |
| ERA |
Environmentally Responsible Aviation |
| ERASMUS |
USOC at ESTEC |
| ERBS |
Earth Radiation Budget Satellite |
| ERC |
electrical rule check |
| ERCP |
External Robotics Control Processor |
| ERCS |
Emergency Rocket Communication System |
| ERD |
Exploration Research & Development |
| ERD |
Experiment Requirements Document |
| ERE |
Exospheric Radiation Experiment |
| ERFNET |
European Radiation Facilities Network |
| ERM |
Experiment Reference Model |
| EROS |
Earth Resources Observation Systems |
| ERRRIS |
E-Region Rocket radar Instability Study |
| ERS |
European Remote Sensing Satellite |
| ERS |
Environmental Research Satellite |
| ERS |
Earth Resources Satellite (as in ERS-1) |
| ERSA |
ESA Radiation Sensors Array |
| ERTS |
Earth Resources Technological Satellite |
| ERV |
Earth Return Vehicle |
| ES |
European Simulation |
| ES |
exposed section |
| ESA |
European Space Agency |
| ESA |
GS ESA Ground Segment |
| 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 |
| ESC |
Engineering Support Centre (Airbus DS Bremen & Friedrichshafen, ALTEC) |
| ESC |
Engineering Support Center |
| ESCAPE |
Earth Science CubeSat for Advanced Payload Experiments |
| ESCC |
European space components coordination |
| ESCC |
European Space Component Coordination |
| ESD |
Earth Science Division |
| ESD |
Exploration Systems Development |
| ESDR |
Earth System Data Records |
| ESDU |
engineering sciences data unit |
| ESEO |
European Student Earth Orbiter |
| ESF |
Erasmus Support Facility |
| ESH |
equivalent Sun hour |
| ESIS |
European Space Information System |
| ESM |
Earth Systematic Missions |
| ESM |
European Service Module for NASA’s Orion spacecraft |
| ESMD |
Exploration Systems Mission Directorate |
| ESMDB |
European Space Materials Database |
| ESMP |
Earth Systematic Missions Program |
| ESO |
European Southern Observatory |
| ESOC |
European Space Operations Centre |
| ESP |
external stowage platform |
| ESPRIT |
European System Providing Refueling, Infrastructure & telecommunication |
| ESR |
Engineering Support Room |
| ESR |
Experiment Scientific Requirements |
| ESRIN |
European Space Research Institute |
| ESRO |
European Space Research Organisation |
| ESRS |
Environmental Science Research Satellite |
| ESS |
Earth Science Subcommittee (of the NASA Advisory Committee) |
| ESSA |
Environmental Science Services Administration |
| ESSP |
Earth System Science Pathfinder |
| EST |
Engineering Support Team |
| EST |
Experiment Sequence Test |
| ESTEC |
European Space Research & Technology Center |
| ESTO |
Earth Science Technology Office |
| ESTP |
Earth Science Technology Program |
| ET |
(Shuttle) External Tank |
| ETC |
European Transport Carrier |
| ETCS |
external thermal control system |
| ETD |
Exploration Technology Development |
| ETDD |
Enabling Technology Development & Demonstration |
| ETE |
End to End |
| ETF |
Electrical Translation Fixture |
| ETFE |
ethylene-tetrafluoroethylene copolymer |
| ETFE |
ethylene-tetrafluorethylene (Tefzel) |
| ETFE |
ethylene tetrafluoroethylene |
| 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 |
| ETRIP |
Expedition Training Requirements Integration Panel |
| ETS |
Engineering Test Satellite |
| ETSD |
external tool stowage device |
| ETU |
Engineering Test Unit |
| ETVCG |
external television camera group |
| EU |
Engineering Unit |
| EUE |
experiment unique equipment |
| EUL |
Enhanced Use Lease |
| EUMETSAT |
European Meterological Satellite |
| EUROCOM |
European Communicator |
| EUS |
Exploration Upper Stage |
| EUT |
equipment under test |
| EUV |
Extreme Ultraviolet Variability |
| EUVE |
Extreme UltraViolet Explorer |
| EV |
Earth Venture |
| EV-CPDS |
extravehicular-charged particle directional spectrometer |
| EVA |
Extra-Vehicular Activity |
| EVA |
Extravehicular Activity |
| EVAS |
extravehicular attachment structure |
| EVE |
EUV Variability Experiment |
| EVG |
EVA Group |
| EVR |
extravehicular robotics |
| EVS |
Employee Viewpoint Survey |
| EVS |
Earth (Science) Venture Class Sub-orbital projects |
| EVSU |
external video switch unit |
| EVi |
Earth (Science) Venture Class Instruments for orbital missions of opportunity |
| EWACS |
Emergency, Warning, Advisories & Caution System |
| EWACS |
Emergency |
| 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 |
| EXPL |
expression language |
| EXPRESS |
expediting the processing of experiments to Space Station |
| EXPRESS |
EXpedite PRocessing of Experiments to the Space Station |
| EXPRESS |
Experiment Re-entry Space System |
| EZ CR |
Easy Change Request |
| Ea |
activation energy |
| EarthCARE |
Earth Clouds, Aerosols & Radiation Explorer |
| EcAMSat |
E. coli AntiMicrobial Satellite |
| Engineering |
UCC |
| Envisat |
Environment Satellite |
| EoC |
End of Contract |
| EoD |
Exceed on Demand |
| EscaPADE |
Escape & Plasma Acceleration & Dynamics Explorers |
| EtEGS |
End-to-End Ground Segment |
| EuTEF |
European Technology Exposure Facility |
| Eureca |
European Retrievable Carrier |
| Euro |
European Currency Unit |
| Eutelsat |
European Telecomunication Satellite |
| 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 |
| ExPS |
EXPRESS pallet system |
| ExPeRT |
Exploration Prepartion, Research & Technology |
| ExSD |
EXPRESS stowage drawer |
| Exos |
Exospheric Satellite |
| Exosat |
European X-Ray Observatory Satellite |
| F |
actuation force |
| F-O |
fiber-optic |
| F/S |
Flight Segment |
| F/W |
Firewall |
| F2 |
Functional Level 2 (System avionics drawing) |
| FA |
Facility |
| FA |
Fundamental Aeronautics |
| FAA |
Federal Aviation Administration |
| 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 Acquisition Regulation |
| FAR |
Federal Acquisitions Requirements |
| FAR |
Flight Acceptance Review |
| FAR |
Final Acceptance Review |
| FARM |
frame acceptance & reporting mechanism |
| FARO |
Flare Activated Radio-biological Observatory |
| FAS |
Flight Application Software |
| 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 |
factory acceptance testing |
| FBM |
French Brazilian Microsatellite |
| FCAS |
Flight Controller Application Software |
| FCB |
functional configuration baseline |
| FCC |
Federal Communications Commission |
| 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 |
| FCM |
Flight Control & Monitoring |
| FCMS |
fluid crystal management system |
| FCOH |
Flight Control Operations Handbook |
| FCP |
flight control procedure |
| FCS |
flight crew system |
| FCSI |
final customer source inspection |
| FCT |
Flight Control Team |
| FCT web |
Flight Control Team web |
| FCV |
functional configuration verification |
| FD |
Flight Director |
| FDF |
Flight Data File |
| FDFMP |
Flight Data File Management Plan |
| FDIR |
fault detection, isolation, & recovery |
| FDM |
Fault Detection & Management |
| FDO |
Flight Director Office |
| FDPA |
flight dynamics planning & analysis |
| FDS |
fire detection & suppression |
| FDU |
telecommand frame data unit |
| FE |
Flight Engineer |
| FE-1 |
Flight Engineer-1 |
| FEA |
finite element analysis |
| FECF |
Frame Error Control Field |
| FEE |
Front End Equipment |
| FEEP |
field emission electric propulsion |
| FEM |
finite element methods |
| FEM |
finite element model |
| FEP |
fluorinated ethylene propylene |
| FEP |
fluoroethylene-propylene |
| 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 |
| FF |
free flyer |
| FFGF |
Free-Flyer Grapple Fixture |
| FFI |
Forsvarets ForskningsInstitutt (Norwegian Defense Research Establishment) |
| FFP |
Firm-Fixed-Price |
| FFT |
Fast Fourier Transform |
| FGB |
Functional Cargo Block |
| FGM |
Fluxgate Magnetometer (Thermal Emission Imaging System instrument) |
| FGS |
Fine Guidance Sensors (on HST) |
| FGS-TF |
Fine Guidance Sensor - Tunable Filter |
| FGSE |
fluidic ground support equipment |
| FGST |
Fermi Gamma-ray Space Telescope |
| FHN |
Friedrichshafen |
| 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 |
| FIR |
Far InfraRed |
| FIR |
fluids integrated rack |
| FIRE |
Flight Investigation of Re-Entry |
| FIRST |
Far Infra Red Space Telescope |
| FIST |
Final Integrated System Test |
| FIT |
failure in time |
| FITS |
Flexible Image Transport System |
| FL |
deliverable output force |
| FLAP |
Flight AP (Automated Procedure) |
| FLAP |
Flight automated procedure |
| FLEX |
Fluorescence Explorer |
| FLEX |
control of flexible construction systems |
| FLEX-2 |
FLame Extinguishment EXperiment-2 |
| FLITECAM |
First Light Infrared Test Experiment Camera |
| FLLI |
fracture limited life item |
| FLLI |
fracture-limited life item |
| FLLIL |
fracture-limited life items list |
| FLTSATCOM |
Fleet Satellite Communication |
| FLUKA |
Fluktuierende Kaskade (Fluctuating Cascade) Monte Carlo radiation transport code |
| FM |
Facility Management |
| FMA |
Final Mission Analysis |
| FMEA |
failure modes effects analysis |
| FMECA |
failure modes effects & criticality analysis |
| FMI |
Finnish Meteorological Institute |
| FMM |
functional mathematical model |
| FMON |
functional monitoring |
| FMSA |
Fault Management & System Autonomy |
| FMT |
File/Memory Transfer (loop) |
| FO |
Fuji Oscar |
| FO |
Follow On (to a mission) |
| FOC |
Faint Object Camera (on HST) |
| FOCP |
Flight Operations Control Panel |
| FOD |
foreign object debris |
| FOIA |
Freedom of Information Act |
| FOM |
flight operations manual |
| FOOM |
Flight Operations Organization Meeting |
| FOP |
flight operation plan |
| FOP |
flight operations plan |
| FOP |
frame operation procedure |
| FOR |
Flight Operations Review |
| FORCAST |
Faint Object InfrRed CAmera for the SOFIA Telescope |
| FORTE |
Fast On Orbit Recording of Transient Events |
| FOS |
Faint Object Spectrograph (on HST) |
| FOSU |
ultimate design factor of safety |
| FOSU |
factor(s) of safety at ultimate |
| FOSY |
yield design factor of safety |
| FOSY |
factor(s) of safety at yield |
| FOV |
Field Of View |
| FP |
fixed price |
| FP |
flat pack package |
| FP |
flat pack |
| FPA |
Focal Plane Array |
| FPD |
Flight Projects Directorate |
| FPGA |
field-programmable gate array |
| FPGA |
field programmable gate array |
| FPGA |
field programmable gate arrays |
| FPI |
Fast Plasma Investigation |
| FPN |
fix pattern noise |
| FPO |
Flight Program Overview |
| FQR |
flight qualification review |
| FQT |
Formal Qualification Test |
| FR |
Flight Rule |
| FR |
France |
| 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 |
| FRCS |
forward reaction control system |
| FRD |
Face Requirement Document |
| FRED |
Functional Readaptive Exercise Device |
| FRF |
frequency response function |
| FRP |
fibre reinforced plastics |
| FRR |
Flight-Readiness Review |
| FRR |
Flight Readiness review |
| FS |
flight spare |
| FS |
functional specification |
| FSC |
Facility Support Center |
| FSDP |
flight safety data package |
| FSE |
Flight Support Equipment |
| FSF |
ATV Flight Software Facility (in Les Mureaux) |
| FSI |
fluid structure interaction |
| FSL |
Fluid Science Laboratory |
| FSR |
Flight Safety Review |
| FSW |
Fanhui Shi Weixing |
| FSW-EP |
Flight Software Execution Platform |
| FT |
fault tree |
| FTA |
fault tree analysis |
| FTC |
Fluid Transfer Coupling or Connector |
| FTE |
Full Time Equivalency |
| FTETTM |
From The Earth To The Moon |
| FTIR |
Fourier transform infrared |
| FTIR |
Fourier transform infrared (spectrometry) |
| FTL |
Faster Than Light |
| FTP |
File Transfer Protocol |
| FTRR |
Flight Test Readiness Review |
| FTS |
Flight Telerobotic Servicer |
| FTV |
Flight Test Vehicle |
| FU/SU |
Functional Unit / Software Unit |
| FULL |
full control word |
| FUSE |
Far Ultraviolet Spectroscopic Explorer |
| FUV |
Far Ultraviolet |
| FW |
Firewall |
| FWD |
Forward |
| FWDU |
Flight Window Definition Utility (obsolete) |
| FWHM |
Full Width at Half Maximum |
| FY |
Feng Yun |
| FY |
Fiscal Year |
| FYI |
For Your Information |
| Faisat |
Final Analysis Inc. Satellite |
| Falcon-ODE |
Falcon Orbital Debris Experiment |
| FedSat |
Federation Satellite |
| Fmin |
minimum actuator force required |
| Ftu |
design tensile ultimate strength (in MPa) |
| Fty |
design tensile yield strength (in MPa) |
| G |
Gravity |
| G&A |
general & administrative |
| G-Z |
DDS Ground Zone |
| G/T |
ratio of antenna gain to system noise temperature |
| 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 |
| GBF |
gravitational biology facility |
| GBT |
Green Bank Telescope |
| GC |
Ground Controller |
| GCD |
Game Changing Development |
| GCI |
Ground Communications Infrastructure |
| GCP |
Guided Crew Procedure |
| GCP |
Ground Command Procedure |
| GCR |
galatic cosmic radiation |
| GCRS |
geocentric celestial reference system |
| GCS |
Ground Communications Schedule |
| GCT |
Ground Control Team |
| GCTC |
Gagarin Cosmonaut Training Center (in Moscow) |
| GCU |
Gateway Control Unit |
| GCVS |
General Catalog of Variable Stars |
| GDIR |
general design & interface requirement |
| GDRD |
General Design Requirements Document |
| GDS |
Great Dark Spot |
| GDSS |
Gateway Docking System |
| GDU |
Generation Data Unit |
| GE |
General Electric |
| GEANT |
Geometry & Tracking Monte Carlo radiation transport code |
| GEC |
Geospace Electrodynamic Connections |
| GEM |
Galileo Europa Mission |
| GEM |
Giotto Extended Mission |
| GEMS |
Gravity & Extreme Magnetism SMEX |
| GEN |
General |
| 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 |
| 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 |
| GF(n) |
Galois field consisting of exactly n elements |
| 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 |
| GFZ |
Geo Forschungs Zentrum |
| GGR&C |
Generic Groundrules & Constraints Part 1 |
| GGSE |
Gravity Gradient Stabilisation Experiment |
| GGTS |
Gravity Gradient Test Satellite |
| GGr&C |
ISS Generic Groundrules & Constraints Part 2 |
| GHRS |
Goddard High Resolution Spectrograph (on HST) |
| GHe |
Gaseous Helium |
| GHz |
Gigahertz |
| GICTF |
Gateway Integrated Communication Test Facility |
| GIF |
Graphics Interchange Format |
| GIFTS-IOMI |
Geosynchronous Imaging Fourier Transform Spectrometer - Indian Ocean METOC Imager |
| 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 |
| 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) |
| GLOBE |
Global Learning & Observations to Benefit the Environment |
| GLOMR |
Global Low-Orbiting Message Relay |
| GLONASS |
Globalnaya Navigationnaya Sputnikovaya Sistema |
| GLONASS |
global navigation satellite system |
| GLOW |
Gross Lift-Off Weight |
| GLS |
Gateway Logistics Services |
| GM |
Ground Model |
| GMAW |
gas metal arc welding |
| GMC |
Giant Molecular Cloud |
| GMI |
GPM Microwave Imager (Global Precipitation Measurement instrument) |
| GMM |
geometrical mathematical model |
| GMRT |
Giant Meter-wave Radio Telescope |
| GMS |
Geostationary Meteorological Satellite |
| GMSK |
Gaussian minimum shift keying |
| GMT |
Greenwich Mean Time (also called UT) |
| GN |
Ground Node |
| GN&C |
guidance, navigation, & control |
| GN2 |
Gaseous Nitrogen |
| GNC |
Guidance Navigation & Control |
| GND |
Ground |
| GNSS |
global navigation satellite system |
| GO |
Gurwin Oscar |
| GO2 |
Gaseous Oxygen |
| GOCE |
Global Ocean Circulation Explorer |
| GOCR |
Ground Operations Control Room |
| GOES |
Geostationary Orbiting Environmental Satellite |
| GOES |
Geostationary Operational Environemental Satellite |
| GOICP |
Gateway Operations Integration Coordination Panel |
| 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 |
| GORR |
Gateway Operational Groundrules & Requirements |
| GOS |
Ground Operations Subsystem |
| GOSAT |
Greenhouse Gases Observing Satellite |
| GOT |
Ground Operations Team |
| GOX |
Gaseous OXygen |
| GP |
Gravity Probe |
| GPC |
General Purpose Computer |
| GPCB |
Gateway Program Control Board |
| GPIM |
Green Propellant Infusion Mission |
| GPM |
Global Precipitation Measurement |
| GPOD |
Gateway Operations Concept Document |
| GPRA |
Government Performance & Results Act |
| GPS |
Global Positioning System |
| GPVP |
Generic Payload Verification Plan |
| GR |
General Relativity |
| GR&A |
Ground Rules & Assumption |
| GR&C |
generic groundrules, requirements, & constraints |
| GR&C |
Ground Rules & Constraints |
| GRA |
Ground Rules & Assumptions |
| GRAB |
Gateway Risk Advisory Board |
| GRACE |
Gravity Recovery & Climate Experiment |
| GRAIL |
Gravity Recovery & Interior Laboratory |
| GRAM |
global reference atmosphere model |
| GRAS |
Geant4 Radiation Analysis for Space |
| GRB |
Gamma Ray Burster |
| GRC |
NASA John H. Glenn Research Center at Lewis Field |
| GRC |
Glenn Research Center (NASA) |
| GRC |
PBS Glenn Research Center–Plum Brook Station |
| GREAT |
German Receiver for Astronomy at Terahertz |
| GRGT |
Guam Remote Ground Terminal |
| GRIFEX |
GEO-CAPE ROIC In-Flight Performance Experiment |
| 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 |
German Research Satellite |
| GRS |
Great Red Spot |
| GRS |
Geophysical Research Satellite |
| GRS |
Gamma Ray Spectrometer (on Mars Observer) |
| GRT |
Generic Robotics |
| GRT |
Generic Robotics Training |
| GS |
AD Ground Segment Active Directory |
| GS |
Ground Segment |
| GS-SRD |
Ground Segment System Requirements Document |
| GSAITP |
ground segment AIT plan |
| 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 |
| 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 (NASA) |
| GSM |
geocentric solar magnetospheric co-ordinates |
| GSMRB |
Ground Segment MRB |
| GSO |
geostationary orbit |
| GSO |
geosynchronous orbit |
| GSOC |
German Space Operations Center |
| GSOC |
German Space Operation Center |
| 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 |
Ground Safety Review |
| GSRD |
ground segment requirements document |
| GSRR |
Ground Segment Readiness Review |
| GSS |
ground segment supplier |
| GSSAP |
Geosynchronous Space Situational Awareness Program |
| GSSR |
Ground Segment Service Request |
| GSSRR |
ground segment system requirements review |
| GSTB |
Galileo System Test Bed |
| GSTP |
General Support Technology Programme |
| GSVL |
Gateway Software Verification Lab |
| GSVP |
ground segment verification plan |
| GTA |
Ground Test Article |
| GTAP |
Ground Test AP (Automated Procedure) |
| GTAW |
gas tungsten arc welding |
| GTO |
Geostationary Transfer Orbit |
| GTPS |
Groupe de Travail de Pyrotechnie |
| 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 Contracts |
| GWDU |
Ground Window Definition Utility |
| GaAs |
gallium arsenide |
| Gbit/s |
giga bits per second |
| GeV |
Gigaelectron volt |
| GemStar |
Global Electronic Messaging Star |
| 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) |
| Gr&C |
Increment Specific Groundrules & Constraints Part 2 |
| Greb |
Galactic Radiation Energy Background |
| H&S |
Health & Status |
| H/W |
Hardware |
| H1 |
Harness Level 1 (System avionics drawing) |
| HA |
harness & other torque or force resistances |
| HALCA |
Highly Advanced Laboratory for Communication & Astronomy |
| HALO |
Habitat & Logistics Outpost |
| HAO |
High Altitude Observatory |
| HAP |
High Altitude Program |
| HARP |
HyperAngular Rainbow Polarimeter |
| HARS |
HALO Air Revitalization System |
| HAS |
HALO Audio Subsystem |
| HAST |
highly accelerated stress test |
| 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 |
Brinell hardness |
| HBCU |
Historically Black Colleges & Universities |
| HBM |
human body model |
| HBP |
Human Behaviour & Performance |
| HC |
Hazard Control |
| HC-HPC |
high current high power command |
| HC-MMS |
High Capacity MMS |
| HCA |
Humidity Control Assembly |
| HCD |
human centred design |
| HCED |
Halley's Comet Experiment Deployable |
| HCI |
Human Computer Interface |
| HCI |
Hydrogen Chloride |
| 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 |
| HCPA |
Hot Plasma Composition Analyzer |
| HCS |
Hard Capture System |
| HCU |
Heater Control Unit |
| HCl |
chloride acid |
| HD |
highly directable |
| HD |
Henry Draper catalog entry |
| HDI |
high density interconnect |
| HDL |
hardware description language |
| HDPCG |
high-density protein crystal growth |
| HDPE |
high density polyethylene |
| HDR |
high data rate |
| HDRM |
Hold Down Release Mechanism |
| HDSW |
Hardware Dependent SW |
| HDTV |
high-definition television |
| 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 & Development of Space |
| HEO |
Human Exploration & Operations |
| HEOMD |
Human Exploration & Operations Mission Directorate |
| HEOS |
Highly Eccentric Orbit Satellite |
| HEPA |
high efficiency particulate air |
| HEPA |
high-efficiency particulate 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 |
| 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 |
| HILAT |
High Latitude Reseach Satellite |
| HIP |
Human Interface Panel |
| 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 |
| 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) |
| HME |
Human Spaceflight Microgravity & Exploration (ESA directorate) |
| HME-GN |
HME Ground Network |
| HME-GS |
HME Ground Segment |
| HME-IS |
HME Infrastructure Services |
| HMI |
human machine interface |
| HMS |
health maintenance system |
| HMST |
Hazardous Materials Summary Table |
| HMT |
hexamethylenetetramine |
| HMU |
Harness Manufacturing Unit |
| 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) |
| HP |
heat pipe |
| HPA |
high power amplifier |
| 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 |
| HPPG |
High Priority Performance Goal |
| HPSC |
Boeing Houston Product Support Center |
| HQ |
NASA Headquarters |
| HR |
Hertzsprung-Russell (diagram) |
| HRC |
Rockwell hardness |
| HRCA |
Human Rated Compliance Assessment |
| HRD |
High Rate Data |
| HRDL |
high rate data link |
| HRDL |
High-rate (data) downlink |
| HRDP |
High-rate data processing |
| HRE |
(Directorate of) Human Spaceflight & Robotic Exploration Programmes |
| HREDA |
HRE Data Archive |
| 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 |
| HRMS |
High Resolution Microwave Survey |
| HRN |
I-HAB Harness |
| HRP |
Human Research Program |
| HRS |
Human Restraint System |
| HRTS |
High Resolution Telescope & Spectrograph |
| HS |
hot structure |
| HSF |
Human Spaceflight |
| HSFO |
Human Space Flight Operations |
| HSI |
Hardware/Software Integration |
| HSIA |
hardware-software interaction analysis |
| HSM |
Health State Manager |
| HSP |
High Speed Photometer (on HST) |
| HSPAR |
HALO Subcontractor Product Assuranec Requirement |
| HSPD |
Homeland Security Presidential Directive |
| 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 |
| HTRB |
high temperature reverse bias |
| HTRB |
high-temperature reverse bias |
| 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 |
| HVR |
Hardware Verification Review |
| HW |
Hardware |
| HWM |
horizontal wind model |
| HY |
Haiyang |
| HYLAS |
Highly Adaptable Satellite |
| HZE |
particle of high atomic mass & high energy |
| Hab |
habitation module |
| Hab |
Habitatation Module |
| 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) |
| HiNCube |
Høgskolen i Narvik CubeSat |
| 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 |
| I |
increment |
| I |
&T Integration & Test |
| I&T |
Integration & Test |
| I&TO |
Integration & Test Order |
| I-CCS |
I-HAB Coolant Control System |
| I-HAB |
International Habitation Module |
| I-V |
current-voltage |
| I/F |
Interface |
| I/MI |
Increment / Mission Integration |
| I/O |
input/output |
| I2C |
inter-integrated circuit |
| I3P |
Information Technology Infrastructure Integration Program |
| IAA |
intravehicular antenna assembly |
| 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 |
| IAPPP |
International Amateur/Professional Photoelectric Photometry |
| IAS |
internal audio subsystem |
| IASB |
Institute d’Aeronomie Spatiale de Belgique |
| IASB |
Institute d'Aeronomie Spatiale de Belgique |
| IASI |
Infrared Atmospheric Sounding Interferometer |
| IATA |
international air transport association |
| IAU |
International Astronomical Union |
| IAUC |
IAU Circular |
| IBDM |
International Berthing & Docking Mechanism |
| IBEX |
Interstellar Boundary Explorer |
| IBIS |
Imager on Board the INTEGRAL Satellite |
| IBPD |
Integrated Budget & Performance Document |
| IBSS-SPAS |
Infrared Background Signature Survey - Shuttle Palette Satellite |
| IC |
interconnected cell |
| IC |
integrated circuit |
| ICA |
Innovative Concepts for Aviation |
| ICAM |
Internal Camera |
| ICATT |
ISS Command & Telemetry Team |
| ICB |
Integration Control Board |
| ICC |
integrated cargo carrier |
| ICD |
Interface Control Document |
| ICD |
instrument control document |
| ICDC |
ISS Communication Data Converter |
| ICE |
International Cometary Explorer |
| ICE-Cap |
Integrated Communications Extension Capability |
| ICECube |
Ionospheric Scintilation Experiment Cubesat |
| ICESAT |
Ice, Cloud & Land Elevation Satellite |
| ICEScape |
Impacts of Climate change on the Eco-Systems & chemistry of the arctic pacific environment |
| ICK |
insert contaminant kit |
| ICM |
Interim Command Module |
| ICM |
Increment Coordination Meeting |
| ICM |
interim control module |
| ICN |
Inter Console Note |
| ICO |
Intermediate Circular Orbit |
| 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 |
Independent Comprehensive Review Panel |
| ICRS |
international celestial reference system |
| ICRU |
International Commission on Radiation Units & Measurements |
| ICTL |
Integrated Communication Test Laboratory |
| ICU |
Interim Control Unit |
| ICU |
Integrated Communications Unit |
| ICWG |
Interface Control Working Group |
| ICubeIDCSP |
Initial Defense Communication Satellite Program |
| ID |
identification |
| ID |
Identifier |
| IDA |
International Dark-sky Association |
| IDA |
integrated diode assembly |
| IDAGS |
International Data & Graphics Standard |
| IDB |
Increment Data Base |
| IDD |
Interface Definition Document |
| IDDT |
Integrated Display & Development Team |
| IDEA |
Ionization Density & Electric field Analyzer |
| IDIQ |
Indefinite Date/Indefinite Quantity |
| IDL |
Interactive Data Language |
| IDLE |
idle control word |
| IDM |
information documentation management |
| IDMP |
input data for mask or programming file generation |
| IDPS |
Interface Data Processing Segment |
| IDRD |
Increment Definition & Requirements Document |
| IDRP |
increment definitions requirements plan |
| IDSS |
International Docking System Standard |
| IE |
Innovations in Education (NASA, Education) |
| IE |
Ionospheric Explorer (Injun Explorer) |
| IEA |
integrated equipment assembly |
| IEC |
International Electrotechnical Commission |
| IEEE |
Institute of Electrical & Electronics Engineers |
| IEHA |
Integrated Experiment Hazard Assessment |
| IEPT |
International Execution Planning Team |
| IERS |
international Earth rotation & reference service |
| IERS |
international earth rotation service |
| IES |
Institute of Environmental Sciences |
| IEST |
Institute of Environmental Sciences & Technology |
| IETF |
internet engineering task force |
| IF |
intermediate frequency |
| IFC |
In-Flight called |
| IFHX |
Interface Heat Exchanger |
| IFI |
Item For Investigation |
| IFL |
interpretation function language |
| IFM |
In Flight Maintenance |
| IFM |
in-flight maintenance |
| IFOC |
International Flight Operations Contract |
| IFT |
Initial Flight Test |
| IFTCA |
Internal Fluid & Temperature Control Assembly |
| IFWN |
In-Field Wireless Network |
| IG |
Inspector General |
| IGA |
Inter Government Agreement |
| IGBT |
insulated gate bipolar transistor |
| IGM |
InterGalactic Medium |
| IGOsat |
Ionospheric & Gamma-ray Observations Satellite |
| IGRF |
international geomagnetic reference field |
| IGS |
Integrated Ground Subnetwork |
| IGS |
Interconnection Ground Subnetwork |
| IGS |
Interconnecting Ground System |
| IGS |
Integrated Ground Segment |
| IGS |
Intelligence Gathering Satellite |
| IGS RN |
Interconnect Ground System Relays & Nodes |
| IGS RN |
Interconnect Ground Subnetwork Relays & Nodes |
| IGS WAN |
Interconnect Ground Subnetwork Wide Area Network |
| IGS WAN |
Interconnect Ground System 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 Integration Review |
| IIR |
Imaging Infrared Radiometer |
| IIR |
Increment Implementation Review |
| IIRC |
If I Recall Correctly |
| IIST |
Initial Integrated Systems Test |
| IIT |
Increment Integration Team |
| IKAROS |
Interplanetary Kite-craft Accelerated by Radiation Of the Sun |
| IL |
Integration Lead |
| ILA |
Internal Lighting Assembly |
| ILFD |
Increment Lead Flight Director |
| ILN |
International Lunar Network |
| ILS |
integrated logistic support |
| IM |
Increment Manager |
| IM |
Issledovatel'ny Modul' |
| IMA |
Integrated Modular Avionics |
| 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 |
| 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 |
| IML1 |
International Microgravity Laboratory 1 |
| IMMI |
IVA man-machine interface |
| IMMT |
International Space Station Mission Management Team |
| IMO |
International Meteor Organization |
| IMOS |
Integrated Mission Operations Schedule |
| IMP |
Interplanetary Monitoring Platform |
| IMS |
inventory management system |
| IMS |
Infrastructure Monitoring System (Col-CC) |
| IMT |
(NASA) Increment Management Team |
| IMV |
Intermodule Ventilation |
| INCA |
Ionospheric Neutron Content Analyzer |
| 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 |
| INPE |
Brazilian Institute for Space Research |
| INPE |
National Institute for Space Research—Brazil (Instituto Nacional de Pesquisas Espaciais) |
| INS |
inspection |
| 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 Aerospacial |
| INTEGRAL |
INTErnational Gamma-Ray Astrophysics Laboratory |
| INTRSA |
international registration scheme for assessors |
| INTSYS |
(ISS) Internal Systems |
| INVADER |
Interactive satellite for Art & Design Experimental Research |
| IO |
Italian Oscar |
| IOAG |
Interagency Operations Advisory Group |
| IOCPS |
Integrated Optical Communications & Proximity Sensors |
| IOCU |
input/output controller unit |
| IOI |
In-Orbit Infrastructure |
| IOMP |
Increment Operations & Maintenance Plan |
| ION |
Illinois Observing Nanosatellite |
| IOOR |
in-orbit operations review |
| IOP |
integrated operations plan |
| IOPM |
IOT Execute Level Planning sub-service Manager |
| IOR |
Increment Operations Review |
| 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 |
Internet Protocol |
| IP |
International Partner |
| IP |
International Partners |
| IP (Phone) |
Internet Protocol (Phone) |
| IPA |
isopropanol |
| IPA |
isopropyl alcohol |
| IPA |
isopropyl alcohol (isopropanol) |
| IPAC |
Infrared Processing & Analysis Center |
| IPACS |
integrated power & attitude control systems |
| IPAO |
Independent Program Assessment Office |
| IPC |
association connecting electronic industries |
| IPCB |
IP-Concatenation Box |
| IPCC |
International Panel on Climate Change |
| IPEX |
Intelligent Payload Experiment |
| IPLAT |
International Partner Label Assessment Team |
| IPM |
Increment Payload Manager |
| IPO |
Integrated Program Office |
| IPOL |
like in ESA-ADMIN-IPOL(2008)6-rev1 |
| IPP |
Innovative Partnerships Program |
| IPS |
integrated planning system |
| IPS |
Internet Protocol Services |
| IPS |
Inertial Pointing System |
| IPS |
Internet Protocol Service |
| IPSP |
Increment Preparation Support Plan |
| IPT |
Integrated Product Team |
| IPV |
International Procedure Viewer |
| IPWG |
Interagency Partnerships Working Group |
| IPWG |
Integrated Planning Working Group |
| IQSY |
International Quiet Sun Year |
| IR |
InfraRed |
| IRAC |
Integrated Resilient Aircraft Controls |
| IRAF |
Image Reduction & Analysis Facility |
| IRAS |
InfraRed Astronomical Satellite |
| IRCB |
Infra-Red Calibration Balloon |
| IRD |
Interface Requirements Document |
| IRD |
Increment Requirements Document |
| IRDT |
Inflatable Re-Entry & Descent Technology |
| IRF |
inertial reference frame |
| IRFNA |
Inhibited Red Fuming Nitric Acid |
| IRIS |
Interface Region Imaging Spectrograph |
| IRIS |
Infra-Red Imaging Surveyor |
| IRM |
Ion Release Module |
| IRN |
Interface Revision Notice |
| IRPP |
integrated rectangular parallelepiped |
| IRPT |
inspection report |
| IRR |
Investigation Readiness Reviews |
| 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 |
| IRT |
Integrated Rendezvous Target |
| IRT |
Independent Review Team |
| IRTS |
Integrated Radiation Transport Suite |
| IS |
Istrebitel Sputnikov |
| ISA |
Interconnection Security Agreement |
| ISA |
Inter Stage Adapter |
| ISARA |
Integrated Solar Array & Reflectarray Antenna |
| ISAS |
Institute of Space & Astronautical Science (Japan) |
| ISAT |
Innovative Spacebased radar Antenna Technology |
| ISD |
input serial digital |
| ISDN |
Integrated Services Digital Network |
| ISE |
Integrated Station Executive |
| ISEE |
International Sun Earth Explorer |
| ISES |
Integrated Space Experiment System |
| ISFA |
Intermodule ventilation Supply Fan Assembly |
| ISIM |
Integrated Science Instrument Module |
| ISIS |
international subrack interface standard |
| ISM |
InterStellar Medium |
| ISO |
Infrared Space Observatory |
| ISO |
International Standards Organization |
| ISO |
International Standards Organisation |
| ISO |
International Organization for Standardization |
| ISO |
Inventory Stowage Officer |
| ISOCAM |
ISO infrared Camera |
| ISP |
In-Space Propulsion |
| ISPM |
International Solar Polar Mission (now Ulysses) |
| ISPP |
In-Situ Propellant Production |
| ISPR |
International Standard Payload Rack |
| ISPX |
Information Sharing Protocol for External |
| ISR |
Interim Standard Review |
| ISRO |
Indian Space Research Organisation |
| ISRP |
Integrated Systems Research Program |
| ISRU |
In-Situ Resource Utilization |
| ISS |
Ionosphere Sounding Satellite |
| ISS |
International Space Station |
| ISS |
EP International Space Station Exploitation Program |
| ISS FD |
ISS Flight Director |
| 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 assembly |
| ISSMP |
International Space Station Medical Project |
| ISSOV |
Intermodule ventilation Supply line Shut Off Valve |
| ISSP |
International Space Station Program |
| IST |
interconnect stress test |
| ISTP |
International Solar Terrestrial Physics program (includes the satellites wind, Geotail, Polar, SoHO & Cluster projects) |
| ISV |
independent software validation |
| ISVV |
independent software verification & validation |
| ISY |
International Space Year |
| IT |
Information Technology |
| ITA |
integrated truss assembly |
| ITAR |
International Traffic in Arms Regulation |
| ITC |
Instructor Training Course |
| ITC |
Instructional Training Techniques Course |
| ITCB |
International Training Control Board |
| ITCR |
Increment Training Certification Report |
| ITCS |
internal thermal control system |
| ITCS |
Internal Temperature Control System |
| ITEE |
Integration & Test Electrical Engineering |
| 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 |
| ITRD |
Increment Training Requirements Document |
| ITRF |
international terrestrial reference frame |
| ITRS |
international terrestrial reference system |
| ITS |
integrated truss structure |
| ITS-P |
Integrated Truss Structure - Port |
| ITS-S |
Integrated Truss Structure - Starboard |
| ITS-Z |
Integrated Truss Structure - Zenith |
| ITT |
invitation to tender |
| ITU |
International Telecommunication Union |
| ITU-R |
ITU - Radiocommunication |
| ITU-R |
radio communication sector of the ITU |
| ITU-RR |
ITU - Radio Regulations |
| ITU/RR |
ITU radio regulations |
| ITV |
Instrumented Target Vehicle |
| IUE |
International Ultraviolet Explorer |
| IUGG |
International Union of Geodesy & Geophysics |
| IUPAC |
International Union of Pure & Applied Chemistry |
| IUS |
Inertial Upper Stage |
| IUVS |
Imaging UltraViolet Spectrometer |
| IV |
intravenous |
| 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 |
| IVV team |
"Independent Verification and Validation test team" |
| IWG |
Investigators 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 |
| InP |
indium posphide |
| Incl. |
including |
| Int |
international |
| Intasat |
Instituto Nacional de Tecnica Aerospacial Satélite |
| Intelsat |
International Telecommunication Satellite |
| Iris |
International Radiation Investigation Satellite |
| Isc |
short-circuit current |
| Isis |
International Satellite for Ionosphere Studies |
| 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) |
| JCSat |
Japanese Communication Satellite |
| JD |
justification document |
| JDEM |
Joint Dark Energy Mission |
| JEDEC |
Joint Electron Device Engineering Council |
| JEDEC |
joint electronic devices engineering council |
| JEDI |
Jupiter Energetic particle Detector Instrument |
| JEDI |
Joint Execute Package Development & Integration |
| 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 |
| JEU |
joint electronics unit |
| JFET |
junction field effect transistor |
| JGR |
Journal of Geophysical Research |
| JHU |
John Hopkins University |
| JHU-APL |
Johns Hopkins University–Applied Physics Laboratory |
| JICB |
Joint Integrated Control Board |
| JILA |
Joint Institute for Laboratory Astrophysics |
| JIMO |
Jupiter Icy Moons Orbiter |
| JIP |
Joint Integration 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 |
| JLP |
Japanese Logistics Pressurized |
| JM |
Jettison Motor |
| JMAPS |
Joint Milli-Arcsecond Pathfinder Survey |
| JMMT |
Joint Mission Management Team |
| JMOI |
Joint Mission Operations Integration Meetings |
| JMST |
Joint Multi Segment Training |
| JOIP |
Joint Operational Interface Procedure |
| JOP |
Joint Operations Panel |
| JOP |
joint operations plan |
| JORR |
Joint Operation Readiness Review |
| JPDO |
Joint Planning & Development Office |
| JPEG |
joint photographic experts group |
| JPF |
Jenkins Pre-Doctoral Fellowship |
| JPL |
Jet Propulsion Laboratory |
| JPSS |
Joint Polar Satellite System |
| JRPA |
Joint Robotic Precursor Activities |
| JSC |
Johnson Space Center (Houston, Tx.) |
| JSC |
Johnson Space Center (NASA) |
| JSC |
NASA Lyndon B. Johnson Space Center |
| JSL |
Joint Station LAN |
| JSRR |
Joint Simulation Readiness Review |
| JSSW |
Ji Shu Shiyan Weixing |
| JTAG |
joint test action group |
| JTCB |
Joint Training Control Board |
| JUP |
Joint Utilisation Plan |
| JV |
Jules Verne |
| JVC |
Joint Venture Company |
| JWG |
Joint Working Group |
| JWS |
Joint Warfighting Space |
| JWST |
James Webb 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 |
| KAO |
Kuiper Airborne Observatory |
| KASI-SAT |
Korea Astronomy & Space Science Institute Satellite |
| KAUSAT |
Korea Aerospace University Satellite |
| KBT |
Ka-Band Transceiver |
| KC |
fracture toughness for stress conditions other than plane strain |
| KDP |
Key Decision Point (review) |
| KE |
kinetic energy |
| KF |
Kua Fu |
| KH |
Key Hole |
| KHUSAT |
Kyung Hee University Satellite |
| KI |
Keck Interferometer |
| KIC |
plane strain fracture toughness |
| 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 |
| KNACKSAT |
KKMUTNB Academic Challenge of Knowledge Satellite |
| KO |
Korean Oscar |
| KOM |
Kick-Off Meeting |
| KOMPSAT |
Korean Multipurpose Satellite |
| KPI |
Key Performance Indicator |
| KPNO |
Kitt Peak National Observatory |
| KQ |
qualification test factor |
| KR |
Kent Ridge |
| KSA |
Keck Single Aperture |
| KSC |
Kennedy Space Center (NASA) |
| KSC |
NASA John F. Kennedy Space Center |
| KTB |
Cretaceous-Tertiary Boundary (from German) |
| KUTESat |
Kansas Universities' Technology Evaluation Satellite |
| Ka |
K-Above frequency band |
| Ka-IPS |
Ka-Band IPS |
| KhSC |
Khrunichev 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 |
| L |
launch |
| L |
Lagrange (as in Lagrange points L1 through L5) |
| L |
Luna |
| L&M |
IPT Logistics & Maintenance Integrated Product Team |
| 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 |
| L2 |
Second Sun-Earth Libration, or Lagrange Point |
| L3 |
L-3 Communications Corporation |
| LACE |
Low-Power Atmospheric Compensation Experiment |
| LACIS |
Logiciel Adapte a la Comuunication des Informations Systemes. (Project specific format) |
| LADEE |
Lunar Atmosphere & Dust Environment Explorer |
| LAGEOS |
Laser Geodynamics Satellite |
| LAIMP |
Lunar Anchored Interplanetary Monitoring Platform |
| 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 |
Lunar Advanced Science & Exploration Research |
| LASER |
Light Amplification by Stimulated Emission of Radiation |
| LASP |
Laboratory for Atmospheric & Space Physics (University of Colorado, Boulder) |
| LAT |
lot acceptance test |
| LBB |
leak before burst |
| LBB |
leak-before-burst |
| LBT |
Large Binocular Telescope |
| LBTI |
Large Binocular Telescope Interferometer |
| LBW |
laser beam welding |
| LC |
Launch Complex |
| LCA |
loop crossover assembly |
| LCA |
Lab cradle assembly |
| LCAS |
Low-Cost Access to Space |
| LCC |
Life Cycle Cost |
| LCCC |
leadless ceramic chip carrier |
| LCCE |
Life Cycle Cost Estimate |
| LCDA |
launcher coupled dynamic analysis |
| LCDA |
launch vehicle coupled dynamic analysis |
| LCL |
latching current limiter |
| LCRD |
Laser Communications Relay Demonstration |
| LCROSS |
Lunar Crater Observation & Sensing Satellite |
| LCS |
Lincoln Calibration Sphere |
| LCT2 |
Low Cost TDRSS Transceiver |
| LCXT |
Low Cost X-Ray Telescope |
| LD |
logistic delay |
| LDA |
launch deploy assembly |
| LDAP |
Lightweight Directory Access Protocol |
| 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 |
logistics double module |
| LDPE |
low density polyethylene |
| LDR |
low data rate |
| LDREX |
Large-scale Deployable Reflector Experiment Model |
| LDSD |
Low Density Supersonic Decelerators |
| LDT |
Long Duration Test |
| LDU |
linear drive unit |
| LDUT |
large data unit transfer |
| 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 |
| LEM |
Lunar Excursion Module (a.k.a. LM) (Apollo spacecraft) |
| LEO |
Low Earth Orbit |
| LEOP |
launch & early operations phase |
| LEOP |
launch & early orbit phase |
| LEOPARDSat |
Low Earth Orbit Platform for Aerospace Research & Development CubeSat |
| 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 |
| LH |
Liquid Hydrogen (also LH2 or LHX) |
| LH2 |
Liquid Hydrogen |
| LHC |
left hand circular |
| 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 |
| LINK |
Little Intelligent Nanosatellite of KAIST |
| LIPS |
Living Plume Shield |
| 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 |
Low Limit |
| LL |
Lincoln Laboratory |
| LLC |
Limited Liability Company |
| LLCD |
Lunar Laser Communications Demonstration |
| LLCW |
Lane layer control word |
| LLIF |
lower layer interface |
| LLIL |
Limited Life Items List |
| LLITED |
Low-Latitude Ionosphere/Thermosphere Enhancements in Density |
| LLNL |
Lawrence-Livermore National Laboratory |
| LLOWG |
Launch & Landing Operations Working Group |
| LM |
Lunar Module (a.k.a. LEM) (Apollo spacecraft) |
| LM |
Lockheed Martin |
| LMC |
Large Magellanic Cloud |
| LMI |
Lockheed Martin Intersputnik |
| LMPC |
Linear Mode Photon-counting CubeSat |
| LMRSTSat |
Low Mass Radio Science Transponder Satellite |
| 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 |
LUSAT Oscar |
| LO2 |
Liquid Oxygen |
| LOAC |
Loss of Attitude Control |
| LOADS |
Low Altitude Density Satellite |
| LOCOS |
local oxidation of silicon |
| LOFTI |
Low Frequency Trans Ionospheric Satellite |
| LOFTID |
Low Earth Orbit Flight Test of an Inflatable Decelerator |
| LOGACS |
Low Gravity Accelerometer Calibration System |
| LOK |
Lunnyi Orbitalnyi Korabl |
| LOOV |
Liquid On-Off Valves |
| LOP |
Lead Operations Planner |
| LOP-G |
Lunar Orbital Platform Gateway |
| LOR |
Line Outage Recorder |
| LORI |
Large ORU Robotics Interface |
| LOS |
Loss Of Signal |
| LOST_SIGNAL |
lost signal control word |
| LOX |
Liquid OXygen |
| LP |
Lesson Plan |
| LPC |
low power command |
| LPC-P |
low power command, pulsed |
| LPC-S |
low power command, static |
| LPGF |
Low Profile Grapple Fixture |
| LPM |
lumped parameter method |
| LPO |
La Palma Observatory |
| LPS |
liquid propulsion system |
| LPV |
Long Period Variable |
| LPW |
Lunamuir Probe & Waves |
| LQ |
limiting quality |
| LQP |
Lunar Quest Program |
| LRB |
Liquid Rocket Booster |
| LRD |
Launch Readiness Date |
| LRDL |
low rate data link |
| LRE |
Laser Ranging Equipment |
| LRO |
Lunar Reconnaissance Orbiter |
| LRP |
Long Range Planner |
| LRR |
Launch Readiness Review |
| LRS |
Laser Ranging Station |
| LRU |
Line Replaceable Unit |
| LS |
LAN Server |
| LSA |
Logistic Support Application |
| LSAH |
Lifetime Surveillance of Astronaut Health |
| LSAR |
Logistics Support Analysis Record |
| LSB |
least-significant bit |
| LSB |
less significant bit |
| LSB |
least significant bit |
| LSE |
Laboratory Support Equipment |
| LSG |
life sciences glove box |
| LSI |
Large Space Integrator |
| LSIM |
Local Simulation |
| LSM |
Life Support Module |
| LSP |
Launch Services Program |
| LSR |
Local Standard of Rest |
| LSR |
Life Support Rack (ACLS) |
| LSRP |
Life Science Research Protocol |
| LSRR |
Logistic Support Readiness Review |
| LSS |
life support system |
| LSSO |
List of Safety Significant Operations |
| LST |
Logistics Support Team |
| LSYS |
Lab Systems |
| LT |
laptop |
| LTA |
Lunar Module Test Article |
| 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 |
| LV |
Launch Vehicle |
| LV-HPC |
low voltage high power command |
| LVA |
Launch Vehicle Adapter |
| LVC |
Live, Virtual, Constructive |
| LVCMOS |
low voltage complementary metal oxide semiconductor |
| LVD |
low voltage directive |
| 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 |
| LWTA |
Light Weight Tool Stowage Assemblies (LWTSA) |
| LZW |
Lempel-Ziv-Welch |
| LaRC |
NASA Langley Research Center |
| LaRC |
Langley Research Center (NASA) |
| LaTuR |
Langmuir Turbulence Rocket |
| Lab |
laboratory module |
| Lab |
Laboratory |
| LcPSO |
Land cover Project Science Office |
| LeRC |
Lewis Research Center (NASA now GRC) |
| Len |
length |
| LiDAR |
Light Detection & Ranging |
| LiOH |
Lithium hydroxide |
| LoB |
Lines of Business |
| LoL |
Limit of Liability |
| Losat-X |
Low Altitude Satellite Experiment |
| M |
Messier (as in M31, M13, M57, etc.) |
| M&C |
Monitor & Control |
| M&O |
Maintenance & Operations |
| M&S |
Modeling & Simulation |
| M/IIS |
Mission / Increment Integration Service |
| M2A |
Multimedia Asia |
| M2TE |
MPCC Testing & Training Environment |
| M3 |
Moon Mineralogy Mapper |
| MA |
Mercury Atlas |
| MA |
main arm |
| MA |
Multiple Access |
| 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 |
| MACSAT |
Multiple Access Communication Satellite |
| MACSAT |
Medium-sized Aperture Camera Satellite |
| MAF |
Michoud Assembly Facility (NASA, managed by MSFC) |
| 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 |
| MAMS |
microgravity acceleration measurement system |
| MAP |
Microwave Anisotrophy Probe |
| MAPTIS |
Materials & Processes Technical Information System |
| MAQSat |
Maquette Satellite |
| MAR |
mission analysis report |
| MARC |
Maintainability Availability & Reliability Calculation (Tool) |
| MARD |
Management Requirements Document |
| MARECS |
Maritime European Communication Satellite |
| MARES |
Muscle Atrophy Research Exercise |
| MARIO |
Measurement of Actuator Response & Impedance on Orbit |
| MARS |
Microgravity Applications Recoverable Satellite |
| MARS |
Microgravity Advanced Research & Support Center |
| MART |
Multilateral Anomaly Response Team |
| MAS |
Maliy Avtonomiy Sputnik |
| MAS |
microbial air sampler |
| MASCB |
Multilateral Avionics & Software Control Board |
| MAST |
Multi-Application Survivable Tether |
| MASTER |
meteoroid & space debris terrestrial environment reference model |
| MATE |
multiplexer/demultiplexer application test equipment |
| MATS |
MMesospheric Airglow/Aerosol Tomography & Spectroscopy |
| MAV |
Mars Assent Vehicle |
| MAVEN |
Mars Atmosphere & Volatile EvolutioN |
| MB |
Manned Base |
| MBD |
Oultimission Bus Demonstration |
| MBF |
mission build facility |
| MBOP |
Multilateral BME Operations Panel |
| MBRSC |
Mohammed Bin Rashid Space Center (UAE) |
| MBRV |
Maneuverable Ballistic Reentry Vehicle |
| MBS |
mobile remote servicer base system |
| MBSAT |
Mobile Broadcasting Satellite |
| MBSE |
Model-Based System Engineering |
| MBSU |
main bus switching unit |
| MC |
Magnetospheric Constellation |
| MCAS |
MBS common attachment system |
| MCB |
Multilateral Control Board |
| MCB |
Mission Control Board |
| MCC |
Mission Control Center |
| MCC-H |
Mission Control Center Houston |
| MCC-M |
Mission Control Centre Moscow |
| MCCB |
Mission Coordination Control Board |
| MCCS |
Misson Control Centre Software |
| MCD |
Minimum Cost Design |
| MCEIE |
Mission Critical External Interface Environment |
| MCF |
modal confidence factor |
| MCG |
Motion Control Group |
| MCGA |
multichip column grid array |
| MCHL |
master component heat load |
| MCI |
mass, centre of mass, inertia |
| MCI |
mass, CoM & 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 |
Motion Control System |
| MCS |
Monitoring & Control Subsystem |
| MCS |
Mission Control System |
| MCS |
Monitoring 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 |
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 |
| MDL |
middeck locker |
| MDM |
multiplexer-demultiplexer |
| MDM |
Multiplexer/De-Multiplexer (or Mission Data Manager) |
| MDM |
Multiplexer/Demultiplexer |
| MDOF |
multiple degree of freedom |
| MDP |
maximum design pressure |
| MDPS |
Meteoroids & Debris Protective Shield |
| MDR |
Mission Definition Review |
| MDRS |
Mars Dessert Research Station |
| MDS |
Mission Demonstration Satellite |
| MDSA |
Multi-sensor Data Synergy Advisor |
| MDT |
MSX Dedicated Target |
| MEA |
Moon exclusion angle |
| MEASAT |
Malaysia East Asia Satellite |
| MEC |
medical equipment computer |
| MECO |
Main Engine CutOff |
| MEDLI |
Mars Science Laboratory Entry, Descent, & Landing Instrument |
| MEF |
Monitoring Enabling Flag |
| MEK |
methyl ethyl keton |
| MEK |
methyl ethyl ketone |
| MEL |
Mass Estimate at Launch |
| MEL |
Master Equipment List |
| MELF |
metal electrode face bonded |
| MELFI |
minus eighty degree laboratory freezer for ISS |
| MEMS |
micro-electromechanical system(s) |
| MEMS |
micro-electromechanical structure |
| MEO |
medium Earth orbit |
| MEOP |
maximum expected operating pressure |
| MEP |
Multi Element Procedure |
| MEPSI |
MEMS-based PICOSAT Inspector |
| MER |
Mars Exploration Rover |
| MER |
Mission Evaluation Room |
| MERIS |
Medium Resolution Imaging Spectrometer |
| MERLIN |
Methane Remote Sensing Lidar Mission |
| MEROPE |
Montana Earth Orbiting Pico-Explorer |
| MESA |
miniature electrostatic accelerometer |
| MESSENGER |
Mercury Surface, Space Environment, Geochemistry & Ranging |
| 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 |
| MFC |
Microgravity Facilities for Columbus |
| MFDB |
Mission Flight Database |
| MFU |
multifiltration unit |
| MGA |
Mass Growth Allowance |
| MGM |
Mars Global Mapper |
| MGMT |
Management |
| MGS |
Mars Global Surveyor |
| MGSE |
mechanical ground support equipment |
| MGT |
management file |
| MHD |
MagnetoHydroDynamic |
| MHI |
Mitsubishi Heavy Industries, Ltd. |
| MHSEALS |
Multilateral Hardware & Software Exchange Agreements, Lists, & Schedules |
| MI |
Minority serving Institutions |
| MI&U |
Mission Integration & Utilization |
| 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 |
| MIF |
mode indicator function |
| MIG |
metal inert gas |
| MIG |
metal inert gas (welding) |
| 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 |
United States military standard |
| MIL-STD |
military standard |
| MIM |
Maliy Issledovatel'ny Modul' |
| MIM |
Multi Increment Manifest |
| 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 |
| MISR |
Multi-angle Imaging SpectroRadiometer |
| MISSE-X |
Materials International Space Station Experiment-X |
| MIT |
Massachusetts Institute of Technology |
| MITA |
Mini-Satellite Italiano a Tecnologia Avanzata |
| MITAC |
Medical Informatics & Technology Application Center |
| MITP |
multilateral increment training plan |
| MIUP |
Multi-Increment Utilisation Plan |
| MIVR |
Mission Integration & Verification Review |
| MKE |
mean knowledge error |
| ML |
Monitoring Limits |
| MLAR |
multi-layer anti-reflection coating |
| 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 |
| MLT |
magnetic local time |
| MLU |
Module Lighting Unit |
| MM |
machine model |
| MM/OD |
micrometeoroid/orbital debris |
| MMC |
Mission Management Computer |
| MMCC |
metal monolith catalytic converter |
| MMDB |
Mission Model Data Base |
| MME |
mean measurement error |
| MMEEV |
Multi-Mission Earth Entry Vehicle |
| MMF |
Multi-Mode Fibre |
| MMH |
MonoMethyl Hydrazine |
| MMI |
man-machine interface |
| MMIC |
microwave monolithic integrated circuit |
| MMIC |
monolithic microwave integrated circuit |
| MMIF |
multi-variate MIF |
| MMM |
Mission Management Meetings |
| MMO |
Mars Mission Operations |
| MMOD |
Micrometeoroid / Orbital Debris |
| MMOP |
Multilateral Medical Operations Panel |
| MMPDS |
metallic materials properties development & standardization |
| MMPDS |
Metallic Materials Properties Development & Standardisation |
| MMPP |
Materials, mechanical parts & processes |
| MMS |
Magnetospheric Multiscale |
| MMSEV |
Multi-Mission Space Exploration Vehicle |
| MMT |
Multiple Mirror Telescope |
| MMT |
Mission Management Team |
| MMTE |
Mission Management & Timeline Execution |
| MMU |
Mass Memory Unit |
| MMU |
Manned Maneuvering Unit |
| MNRAS |
Monthly Notices of the Royal Astronomical Society |
| MNTV |
Mercury Network Test Vehicle |
| MO |
Malaysian Oscar |
| MO |
Mars Observer |
| MO |
Mars Orbiter |
| MO |
Mexican Oscar |
| MO |
Missions of Opportunity |
| 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 |
Mars Observer Camera (on MO & MGS) |
| MOCB |
Mission Operations Control Board |
| MOCD |
mission operations concept document |
| MOCS |
Model Observation & Control System (obsolete) |
| MOD |
Mission Operations Director |
| MOD |
mission operations directorate |
| MODIS |
Moderate Resolution Imaging Spectroradiometer |
| MOE |
Mission Operations Environment |
| MOE |
Mission Operations Element |
| MOI |
moment of inertia |
| MOIC |
Mission Operations Implementation Concept |
| MOIIP |
Mission Operations Integration Implementation Plan |
| MOIM |
Mission Operations Integration Management |
| MOIO |
Mission Operations Integration Office |
| MOIP |
Mission Operations Implementation Plan |
| MOL |
Manned Orbiting Laboratory |
| MOL |
Manned Orbital Laboratory |
| MOL-HSQ |
Manned Orbital Laboratory - Heat Shield Qualification Test |
| MOLA |
Mars Observer Laser Altimeter (on Mars Observer) |
| MOMV |
Manned Orbital Maneuvering Vehicle |
| MON |
Monitoring |
| MOP |
Meteosat Operational Programme |
| MOPITT |
Measurements of Pollution in the Troposphere |
| MORSE |
Multigroup Oak Ridge Stochastic Experiment - coupled neutron-g-ray Monte Carlo radiation transport code |
| MOS |
Marine Observation Satellite |
| MOS |
Mission Operations Services (DLR ops contract) |
| MOS |
Mission Operation Service |
| MOSFET |
metal oxide semiconductor field effect transistor |
| 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 |
| MPAR |
Major Program Annual Report |
| MPC |
Minor Planets Circular |
| MPCB |
materials & processes control board |
| MPCB |
Material, Mechanical Parts & Processes Control Board |
| MPCB |
material & processes control board |
| MPCC |
Multi-Purpose Communication Computer |
| 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 |
| MPEV |
Manual Pressure Equalization Valve |
| MPF |
Mars Pathfinder |
| MPL |
Mars Polar Lander |
| MPLM |
multipurpose logistics module |
| MPLM |
Multi-Purpose Pressurised Logistics Module |
| MPLM |
Mini Pressurized Logistics Module |
| MPLS |
Multi protocol label switching |
| 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 |
| MPS |
Mission Preparation Software |
| MPTP |
Multilateral Payload Training Panel |
| MPV |
manual procedure viewer |
| MPW |
magnetic pulse welding |
| MPa |
Megapascal |
| MR |
Monitoring Result |
| MR |
Mercury Redstone |
| MR-BD |
Mercury Redstone - Booster Development |
| MRB |
Material Review Board |
| MRCAR |
Middeck Requirements Change Assessment Report |
| MRD |
Microgravity Research Division |
| MRDL |
medium rate data link |
| MRE |
measurement reproducibility error |
| MRF |
mechanical reference frame |
| MRG |
Maintenance & Repair Group |
| MRHWG |
Multilateral Radiation Health Working Group |
| MRI |
Magnetic Resonance Imaging |
| MRM |
Mini Research Module |
| MRO |
Mars Reconnaissance Orbiter |
| MRR |
Mission Requirement Request |
| MRSR |
Mars Rover & Sample Return |
| MRSRM |
Mars Rover & Sample Return Mission |
| MRT |
mission readiness tests |
| MS |
Mercury Scout |
| MS |
Monitoring Status |
| MS/S |
mega symbols per second |
| MSA |
MUREP Small Activities |
| MSB |
most significant bit |
| MSB |
most-significant bit |
| MSC |
mobile servicing center |
| MSD |
mass storage device |
| MSD |
Multi Satellite Dispenser |
| MSE |
Mission Support Environment |
| MSET |
Multilateral Sustaining Engineering Team |
| MSFC |
NASA George C. Marshall Space Flight Center |
| MSFC |
Marshall Space Flight Centre |
| MSG |
Microgravity Science Glovebox |
| MSG |
Meteosat Second Generation |
| MSIS |
mass spectrometer & incoherent scatter |
| MSL |
Material Science Laboratory |
| MSL |
Mars Science Laboratory |
| MSL |
materials science laboratory |
| MSL-EML |
Material Science Laboratory – Electromagnetic Levitator |
| MSM |
Manned Spaceflight & Micro-Gravity |
| MSM |
Manned Spaceflight & Microgravity |
| MSM |
Monthly Status Meeting |
| MSM-GS |
MSM Ground Segment |
| MSMB |
Multilateral Space Medicine Board |
| MSO |
Mission Science Office |
| MSP |
Manned Space Program |
| MSPE |
metallic special pressurized equipment |
| MSR |
Mars sample return |
| MSRD |
Module Systems Requirements Document |
| MSRF |
materials science research facility |
| MSRR |
materials science research rack |
| MSS |
Magnetospheric MultiScale |
| MSS |
mobile servicing system |
| MSSTA |
Multispectral Solar Telescope Array |
| MST |
modal survey test |
| MSTI |
Miniature Sensor Technology Integration |
| 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 |
| MTBO |
mean time between outages |
| MTC |
Man Tended Capability |
| MTCL |
MT capture latch |
| MTCube |
Memory Test CubeSat |
| MTE |
MPCC Training Enhancement |
| MTE |
Monitoring Table Entry |
| MTI |
Multispectral Thermal Imager |
| MTL |
moderate-temperate loop |
| MTL |
Master Timeline |
| MTO |
metal turnover |
| MTP |
Meteosat Transition Programme |
| 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 |
Max Time To Repair |
| MUBLCOM |
Multiple Path Beyond Line of Sight Communication |
| 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 |
| 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 |
| MWt |
molecular weight |
| MaSat |
Magyar Satellite |
| MagEIS |
Magnetic Electron Ion Spectrometer instruments |
| Magic |
Magnetospheric Interkosmos |
| Magsat |
Magnetic Field Satellite |
| MarCO |
Mars Cube One |
| Marisat |
Maritime Satellite |
| Mb/s |
Megabits per second |
| Mbps |
Megabits per second |
| 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 |
| MinXSS |
Miniature X-ray Solar Spectrometer |
| MisST |
Microsatellite in-situ Space Technologies |
| MoM |
minutes of meeting |
| Moon |
’s Interaction with the Sun |
| Moonlight |
Lunar Comms & Navigation System |
| Msps |
mega symbol per second |
| MuSat |
Mu (Micro) Satellite |
| Muses |
Mu Space Engineering Satellite |
| MySat |
Malaysian Satellite |
| N |
nominal |
| 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 |
NASA Advisory Committee |
| NACA |
National Advisory Committee on Aeronautics (became NASA) |
| NACAIT |
Network & Communications Analysis & Integration Team (sub-panel of ISS GSCB) |
| NACK |
negative acknowledgement |
| NAOS |
National Advanced Optical System |
| NAR |
Non-Advocacy Review |
| NAS |
National Airspace System |
| NAS |
Network Attached Storage |
| NASA |
National Aeronautics & 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 System (now NISN) |
| NASDA |
NAtional Space Development Agency (Japan) |
| NASM |
National Air & Space Museum |
| NASP |
National AeroSpace Plane |
| NATO |
North Atlantic Treaty Organisation |
| NAVISP |
Navigation Innovation & Support Programme |
| NBF |
Neutral Buoyancy Facility |
| NBL |
Neutral Buoyancy Facility |
| NBS |
National Bureau of Standards (now NIST) |
| NC |
nozzle closed |
| NC2MS |
NICS Consolidated Configuration Management System |
| NCAS |
NASA Contract Assurance Services |
| NCC |
netlist comparison check |
| NCHX |
Non-Condensing Heat Exchanger |
| NCI |
National Cancer Institute (National Institutes of Health) |
| NCMS |
NICS Configuration Management System |
| NCR |
Non-Compliance Report |
| NCR |
Non Conformance Record |
| NCRP |
National Council on Radiation Protection & Measurements |
| NCS |
Node Control Software |
| NDA |
Non-Disclosure Agreement |
| NDE |
non-destructive evaluation |
| NDI |
non-destructive inspection |
| NDS |
Neuroscientific Data Station |
| NDS |
Nuclear Detection Satellite |
| NDT |
non-destructive test |
| NDV |
NASP Derived Vehicle |
| 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 |
| NEN |
Near Earth Network |
| NEO |
Near-Earth Object |
| NEOO |
Near-Earth Object Observations |
| NEOWISE |
Near-Earth Object Wide-field Infrared Survey Explorer |
| NEP |
Nucno-Energeticeskaya Platforma |
| NERV |
Nuclear Emulsion Recovery Vehicle |
| NERVA |
Nuclear Engine for Rocket Vehicle Application |
| NES |
NASA Explorer Schools |
| NESC |
NASA Engineering & Safety Center |
| NET |
Not Earlier Than |
| NETS |
NASA Educational Technology Services |
| NEXT |
NASA Evolutionary Xenon Thruster |
| NEXTSat/CSC |
Next Generation Satellite & Commodities Spacecraft |
| NEXUS |
Next Generation X Unique Satellite |
| NExScI |
NASA Exoplanet Science Institute |
| NFIRE |
Near Field Infrared Experiment |
| NFS |
Network File System |
| NG |
NewsGroup |
| NGAS |
Northrup Grumman Aerospace Systems |
| NGC |
New General Catalog |
| NGD |
normal gradient discharge |
| NGIMS |
Neutral Gas & Ion Mass Spectrometer |
| NGIS |
Northrop Grumman Innovation Systems |
| NGO |
Non-Governmental Organization |
| NGPS |
Next Generation Planning System |
| NGSS |
Next Generation Sky Survey |
| NGST |
Northrop Grumman Space Technology |
| NGST |
Next Generation Space Telescope |
| NH |
Northern Hemisphere |
| NH3 |
Ammonia |
| NHLBB |
non-hazardous leak before burst |
| NIA |
nitrogen interface assembly |
| NIAC |
NASA Innovative Advanced Concepts |
| 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) |
| NIEL |
non-ionizing energy loss |
| NIEL |
non-ionising energy loss |
| NIH |
National Institute for Health |
| NIMS |
Near-Infrared Mapping Spectrometer (on Galileo) |
| NIR |
Near InfraRed |
| NIRCam |
Near-Infrared Camera |
| NIRSpec |
Near-Infrared Spectrometer |
| NIS |
Network Information System (ColCC) |
| NIS |
Network Infrastructure Subsystem |
| NISAR |
NASA-ISRO Synthetic Aperture Radar |
| NISN |
NASA Integrated Services Network |
| NIST |
National Institute of Standards & Technology (was NBS) |
| NIVR |
Netherlands Agency for Aerospace Programs |
| 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 |
| NMOS |
N-channel metal oxide semiconductor |
| NMP |
New Millenium Program |
| NMS |
New Member States |
| NMS |
Neutral Mass Spectrometer |
| NMSU |
New Mexico State University |
| NMT |
network management |
| NMTSat |
New Mexico Tech Satellite |
| NNS |
Navy Navigation Satellite |
| NO |
nozzle open |
| NO |
Naval Oscar |
| NO2 |
Nitrogen Dioxide |
| NOAA |
National Oceanic & Atmospheric Administration |
| NOAO |
National Optical Astronomy Observatories |
| NORAD |
NORth American aerospace Defense |
| 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 |
| NPAT |
National Partnership for Aeronautic alTesting |
| NPCC |
nonpressurized cargo carrier |
| NPD |
NASA Policy Directive |
| NPI |
National Partnership Initiative |
| 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 |
| NPP |
NPOESS Preparatory Project |
| NPP |
Suomi National Polar orbiting Partnership (new name for NPOESS) |
| 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 |
| NRA |
NASA Research Announcement |
| NRAO |
National Radio Astronomy Observatory |
| NRB |
nonconformance review board |
| NRC |
National Research Council |
| NRCC |
National Research Council Canada |
| 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 |
| NRZ |
non return to zero |
| NRZ |
non-return to zero |
| NRZ-L |
NRZ-level |
| NRZ-L |
non-return to zero level |
| NRZ-L |
non return to zero-level |
| NRZ-M |
non-return to zero mark |
| NRZ-M |
non return to zero-mark |
| NRZ-M |
non-return-to-zero-mark |
| NS |
Neutron Star |
| NSA |
National Security Agency |
| NSBRI |
National Space Biomedical Research Institute |
| NSC |
NASA Safety Center |
| NSF |
National Science Foundation |
| NSO |
National Solar Observatory |
| NSPD |
National Space Policy Directive |
| NSS |
New Skies Satellite |
| NSSC |
NASA Shared Services Center |
| NSSDC |
National Space Science Data Center |
| NSST |
Neutral Salt Spray Test |
| NSTC |
National Science & Technology Council |
| NSTI-MSI |
NASA Science & Technology Institute for Minority Serving Institutions |
| NSTS |
National Space Transportation System (NASA Space Shuttle) |
| NSWPC |
National Space Weather Program Council |
| NSYS |
Node System |
| NTA |
nitrogen tank assembly |
| NTC |
NASA Technical Capabilities |
| NTDC |
NASA Technical Capabilities Database |
| NTEC |
NASA Technology Executive Council |
| NTIA |
National Telecommunications & Information Administration |
| NTO |
nitrogen tetroxide |
| NTP |
Network Time Protocol |
| NTR |
Nuclear Thermal Rocket(ry) |
| NTS |
Navigation Technology Satellite |
| NTT |
New Technology Telescope |
| 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 |
| NVR |
non-volatile residue |
| NW |
negative window |
| NWP |
Numerical Weather Prediction |
| NWSW |
Network Software |
| Navstar |
Navigation System using Timing & Ranging |
| Ncube |
Norwegian Cubesat |
| NextGen |
Next Generation Air Transportation System |
| Nodes |
Network & Operation Demonstration Satellite |
| NuSTAR |
Nuclear Spectroscopic Telescope Array |
| Nusat |
North Utah Satellite |
| O |
Operational (Transit) |
| O&C |
Operations & Checkout |
| O&M |
Operations & Maintenance |
| O&U |
Operation & Utilisation |
| O/B |
On-Board |
| O/D |
On Dock |
| O/OREOS |
Organics and/or Organisms Exposure to Orbital Stresses |
| O2 |
Oxygen |
| OA |
Office of Audits |
| OAO |
Orbiting Astronomical Observatory |
| OAR |
Operations Assessment Report |
| OARE |
orbital acceleration research experiment |
| OAST-Flyer |
Office of Aeronautics & Space Technology Flyer |
| OB |
On-Board |
| OBAP |
on-board application procedure |
| OBC |
on board computer |
| OBC |
on-board computer |
| OBCP |
original baseline cost plan |
| OBCP |
on-board control procedure |
| OBDH |
on-board data handling |
| OBOP |
on-board operations procedure |
| OBS |
organizational breakdown structure |
| OBSM |
on-board software maintenance |
| OBSM |
on‐board software maintenance |
| OBSW |
on-board software |
| OBT |
On-Board Training |
| OBTWG |
On-Board Training Working Group |
| OC |
Operations Controller |
| OCA |
Orbital Communication Adapter |
| OCA |
orbiter communications adapter |
| 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 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 |
| OCO |
Orbiting Carbon Observatory |
| OCR |
Operations Change Request |
| OCRD |
operations customer requirements document |
| OCSD |
Optical Communications & Sensor Demonstration |
| OCSE |
Optical Calibration Sphere Experiment |
| OCST |
Office of Commercial Space Transportation |
| OCT |
Office of the Chief Technologist |
| ODAR |
Obsolescence Driven Architecture Redesign |
| ODB |
Operations Data Base |
| 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 |
On-board Data & Information Network Officer |
| ODN |
On-board Data Network |
| ODR |
Operations Data Room |
| ODS |
orbiter docking system |
| OE/V |
OSTP editor/viewer |
| OEDIPUS |
Observation of Electric Field Distributions in the Ionospheric Plasma - a Unique Strategy |
| OEM |
Original Equipment Manufacturer |
| OEP |
operations engineering plan |
| OEX-Target |
Orbiter Experiment Target |
| OF |
obscuration factor |
| OFA |
operations feasibility assessment |
| OFO |
Orbiting Frog Otolith |
| OFT |
On Board File Transfer |
| OFTS |
orbital flight targeting system |
| OGC |
Office of General Counsel |
| 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 |
Office of Investigations |
| OI |
Operational Improved (Transit) |
| OICETS |
Optical Inter-orbit Communication Engineering Test Satellite |
| OIG |
Office of Inspector General |
| OIIR |
Office of International & Interagency Relations |
| OIM |
Operations Integration Manager |
| OIP |
Operations Interface Procedures |
| OIT |
oxygen induction time |
| OITP |
oxygen induction temperature |
| OJT |
On-the-Job Training |
| OL |
Operations Lead |
| OLA |
OSIRIS-REx Laser Altimeter |
| OLI |
Operational Land Imager (Landsat Data Continuity Mission instrument) |
| OLS |
Operational Linescan System |
| OM |
&DA Other Mission & Data Analysis |
| OMA |
optical modulation amplitude |
| OMB |
Office of Management & Budget |
| OMC |
Operations Management Council |
| OMEGA |
Offshore Membrane Enclosures for Growing Algae |
| OMERE |
Radiation environment & effects code developed by TRAD with the support of CNES |
| 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 |
| OMT |
Operations Management Team |
| OMT |
Operations Management Team (name of the IGS/GS HW at ESTEC) |
| OMUX |
output multiplexer |
| ONERA |
Office National d'Études et de Recherches Aérospatiales |
| 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 |
| 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 |
Orbital Processing Facility |
| OPM |
Office of Personnel Management |
| OPPS |
Operations Preparation & Planning System |
| OPS |
Operations |
| OPS |
LAN onboard operations local area network |
| OPS |
Orbitalnaya Pilotiruemaya Stanziya |
| OPS-HA |
ATV Mission Operations Division |
| OPSPLAN |
Operations Planner |
| OPSR |
Operations Preparation Support Room |
| OPUSAT |
Osaka Prefecture University Satellite |
| OPVR |
Operations Preparation Validation Review |
| OQPSK |
offset quadrature phase shift keying |
| OQR |
operational qualification review |
| 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 |
| ORR |
Operations Readiness Review |
| ORS |
Operationally Responsive Space |
| ORS |
Tech Operationally Responsive Space - Technology |
| ORS |
Octahedral Research Satellite |
| ORSES |
Operationally Responsive Space Enabler Satellite |
| ORT |
Operation Readiness Test |
| ORU |
On-Board Replaceable Unit |
| ORU |
Orbital Replacement Unit |
| OS |
Operation System |
| OS |
Orbiting Sample |
| OSA |
Orion Stage Adapter |
| OSAL |
Operating System Abstraction Layer |
| OSB |
Operations Steering Board |
| OSC |
Orbital Sciences Corporation |
| OSCAR |
Orbiting Satellite Carrying Amateur Radio |
| OSCAT |
Indian Space Agency's scatterometer instrument |
| OSD |
output serial digital |
| OSE |
on-orbit support equipment |
| OSHA |
Occupational & Safety & Health Administration |
| OSI |
Office of Strategic Infrastructure |
| 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 |
| OSNSAT |
Open Space Network Satellite |
| OSO |
Orbiting Solar Observatory |
| OSO |
Operations Support Officer |
| OSP |
Orbital / Suborbital Program (of the USAF) |
| OSPL |
overall sound pressure level |
| OSR |
Operations Status Report |
| OSSA |
Office of Space Science & Applications |
| OSSE |
Oriented Scintillation Spectrometer Experiment (on CGRO) |
| OST |
Operations Support Tool |
| OST |
Operations Support Tools (Col-CC) |
| OSTC |
on station thermal cycling |
| OSTM |
Ocean Surface Topography Mission |
| OSTP |
Onboard Short Term Plan |
| OSTP |
onboard short-term plan |
| OSTP |
Office of Science & Technology Policy |
| 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 |
| 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 |
| OTR |
ORU Temporary Platform |
| OTS |
Orbital Test Satellite |
| OTV |
Orbital Transfer Vehicle |
| OUFTI |
Orbital Utility For Telecommunications / Technology Innovations |
| OV |
Orbiting Vehicle |
| OV |
Orbiter Vehicle |
| OV |
OrbView |
| OVDB |
Operational Validation Data Base |
| 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 |
| OpNom |
Operations Nomenclature |
| Ops-Sup |
Operations Support |
| 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 |
| P |
Project |
| P |
Probe |
| P&F |
Particles & Fields |
| P&R |
place & route |
| P&S |
pointing & support |
| P-E&OI |
Payload Engineering & Operations Integration |
| P.L. |
Public Law |
| P/B |
Playback |
| P/L |
Payload |
| P/L Reg |
Payload Regulation |
| P3I |
Preplanned Program Improvement |
| PA |
Product Assurance |
| PA&S |
Product Assurance & Safety |
| PA/S |
Product Assurance & Safety |
| PAA |
phased array antenna |
| PAC |
Package Attitude Control |
| PACE |
Platform for Attitude Control Experiments |
| PACE |
Plankton, Aerosol, Cloud & ocean Ecosystem |
| PACE |
University of Pittsburg Airglow Ion Chemistry Experiment |
| PACE |
Pre-Aerosols, Carbon & Ecosystems |
| PACSAT |
Packet Radio Satellite |
| PACT |
power augmented catalytic thruster |
| PAD |
part approval documents |
| PAD |
part approval document |
| PAD |
pad control word |
| PAET |
Planetary Athmosphere Entry Test |
| PAF |
product assurance file |
| PAGEOS |
Passive Geodetic Earth Orbiting Satellite |
| PAI |
Payload Analytical Integration |
| PAL |
Phase Alternating Line |
| PALI |
Payload Accommodation Locker Indicator |
| PAM |
Payload Assist Module |
| PAM-D |
Payload Assist Module, Delta-class |
| PAMS-STU |
Passive Aerodynamically Stabilized Magnetically Damped Satellite - Satellite Test Unit |
| PAN |
Pathfinder for Autonomous Navigation |
| PAN |
Palladium At Night |
| PANSAT |
Petite Amateur Navy Satellite |
| PAO |
Public Affairs Office (NASA PR) |
| PAO |
Public Affairs Office |
| PAO |
Public Affair Officer |
| PAP |
Product Assurance & Safety Plan |
| PAPOS |
Payload Parking Position Interface |
| PAR |
Program Acceptance Review |
| 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 |
| PART |
Program Assessment Rating Tool |
| PARX |
Pulsating Aurora Rocke Experiment |
| PAS |
payload attachment system |
| PAS |
Pan Am Satellite |
| PASI |
Philippine Agila Satellite Inc. |
| PASO |
Product Assurance & Safety Officer |
| 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 |
| PBR |
President’s Budget Request |
| PBS |
Public Broadcasting Service |
| PBS |
President’s Budget Submit |
| PC |
Personal Computer |
| PCA |
Physicians’ comparability allowance |
| PCAD |
Propulsion Cryogenics Advanced Development |
| PCAM |
Panoramic Camera |
| PCAP |
payload crew activity plan |
| PCAR |
Payload Complement Acceptance Review |
| PCB |
printed circuit board |
| PCB |
parts control board |
| PCB |
product configuration baseline |
| PCBA |
portable clinical blood analyzer |
| PCBs |
Polychlorinated biphenyls |
| PCC |
pressurized cargo carrier |
| PCCS |
Physical Configuration Control System |
| PCD |
Product Configuration Documentation |
| PCDF |
EU PCDF Experiment Unit |
| PCDF |
Protein Crystallization Diagnostics Facility |
| PCDF |
PU PCDF Processing Unit |
| PCDU |
power conditioning & distribution unit |
| PCDU |
power control & distribution unit |
| PCF |
Protocol Control Frame |
| PCG |
protein crystal growth |
| PCI |
Product Configuration Items |
| PCIR |
Payload Complement Integration Review |
| PCM |
phase change material |
| PCM |
pulse code modulation |
| PCM |
pulse coded modulation |
| PCM |
process control monitor |
| PCN |
process change notice |
| PCOS |
Physics of the Cosmos |
| PCR |
Polymerase chain reaction |
| PCR |
product conformance report |
| PCS |
Portable Computer System |
| PCSR |
Payload Complement Safety Review |
| PCSat |
Prototype Communication Satellite |
| PCU |
plasma contactor unit |
| PCV |
physical configuration verification |
| PD |
Processed Data |
| PD |
payload developer |
| PDA |
power distribution assembly |
| PDAC |
procedures development & control |
| PDAM |
Power Management & Distribution |
| PDB |
Project Data Base |
| PDC |
Payload Data Center |
| PDD |
Payload Deployment Device |
| PDDS |
Procedure Development Support Software |
| PDE |
performance drift error |
| PDEP |
Process for Disposal of ESA Property |
| PDF |
probability density function |
| PDF |
portable document format |
| PDGF |
power & data grapple fixture |
| PDL |
Payload Data Library |
| PDM |
precedence diagram method |
| PDO |
process data object |
| PDOT |
Payload Development & Operations Team |
| PDP |
Plasma Diagnostics Package |
| PDP |
Personal Data Protection |
| PDR |
Preliminary Design Review |
| PDS |
Planetary Data System |
| PDS |
Payload Data Set |
| PDSS |
Payload Data Services System (HOSC) |
| PDSS |
Payload Data Services System |
| PDT |
Peripheral Docking Target |
| PDU |
Power Distribution Unit |
| PDWG |
Processed Data Working Group |
| PE&OI |
Payload Engineering & Operations Integration |
| PEA |
Pressure Equalization Assembly |
| PEARL |
Payload & Experiment Assignment Responsibility List |
| PEASSS |
Piezo Electric Assisted Smart Satellite Structure |
| PECL |
pseudo-ECL |
| PED |
plastic encapsulated device |
| PED |
positive expulsion device |
| PED |
pressure equipment directive |
| 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 |
| PES |
Payload Engineering Support Facility (Friedrichshafen) |
| PEST |
Plasma Experiment Satellite Test |
| PET |
polyethylene terephthalate |
| PF |
parabolic flight |
| PFA |
Perfluoral oxide Copolymer |
| PFA |
perfluoroalkoxy |
| PFC |
Private Family Conference |
| PFC |
pump & flow control |
| PFC |
Parabolic Flight Campaign |
| 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 |
portable fire extinguisher |
| PFE |
Portable Fire Extinguisher System |
| PFM |
pulse frequency modulation |
| PFO |
particle fall out |
| PFR |
Post Flight Review |
| PFR2 |
Post Flight Review 2 board |
| PFS |
Pulmonary Function System |
| PFS |
Particles & Field Subsatellite |
| PG |
Product Groups |
| PGP |
Pretty Good Protection |
| PGSE |
pressure ground support equipment |
| PGW |
Propylene/Glycol Water (heat transfer fluid) |
| PH |
pressurized hardware |
| PHA |
preliminary hazard analysis |
| 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&T |
Packing, Handling, Storage & Transportation |
| PI |
prime investigation |
| PI |
Principal Investigator |
| 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 |
Passive Inspection CubeSat |
| PICS |
Partnerships, Innovation & Commercial Space |
| PID |
process identification document |
| PIER |
Post Increment Evaluation Report |
| PIF |
port inboard forward |
| PIM |
Payload Integration Manager |
| PIM |
Payload Intregration Manager |
| PIMP |
passive intermodulation product |
| PIMS |
Photoionisation Mass Spectrometer |
| PIMS |
principal investigator microgravity services |
| PIMS |
Payload Information Management System |
| PIN |
p-type semiconductor, intrinsic semiconductor, n type semiconductor |
| PIND |
particle impact noise detection |
| 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 |
| PISat |
PESIT Imaging Satellite |
| PIT |
Payload Integration Team |
| PITL |
Processor In The Loop |
| PIU |
payload interface unit |
| PIUV |
Parallel Input Undervoltage Protection |
| PIV |
Personal Identification Verification |
| PIX |
Plasma Interaction Experiment |
| PIXIE |
particle-induce X-ray emission |
| PKI |
Public Key Infrastructure |
| PL |
Payload |
| PL MDM |
Payload Multiplexer/Demultiplexer |
| PLA |
PayLoad Adapter |
| PLAR |
Post Launch Assessment Review |
| PLATO |
Planetary Transits & Oscillations of stars |
| PLCC |
plastic leaded chip carrier |
| PLCU |
Payload Control Unit |
| PLD |
Payload |
| PLG |
Payloads Group |
| PLI |
Propellant Liner Insulation |
| PLL |
phase-locked loop |
| PLL |
phase locked loop |
| PLOP |
physical layer operation procedure |
| PLSS |
personal life support system |
| PLSS |
Portable Life Support System |
| PLUTO |
Plug-in-Port Utilization Officer |
| PM |
Pressurized Module |
| PM |
propulsion module |
| PM&P |
parts materials & processes |
| PMA |
pressurized mating adapter |
| PMA |
President's Management Agenda |
| PMA |
Pressurised Mating Adaptor |
| PMAC |
payment milestone achievement certificate |
| PMAD |
power management & distribution |
| PMB |
Program Management Board |
| PMC |
Permanently Manned Capability |
| PMC |
Private Mediacl Conference |
| PMC |
Program Management Council |
| PMCA |
Power Management Control Application |
| PMCA |
Photovoltaic Control Application |
| PMCF |
product manufacturing & control file |
| PMCU |
Panoramic Modular Camera Unit |
| PMD |
permanent molecular deposition |
| PMD |
propellant management device |
| PMG |
Plasma Motor Generator |
| PMIRR |
Pressure Modulated InfraRed Radiometer (on Mars Observer) |
| PMM |
Permanent Multipurpose Module |
| PMON |
parameter monitoring |
| PMOS |
P-channel metal oxide semiconductor |
| PMP |
parts, materials, processes |
| PMP |
parts, materials & processes |
| PMP |
parts, materials, process |
| PMP |
project management plan |
| PMR |
Payloads Mission Readiness |
| PMR |
Payload Management Review |
| PMR#13 |
Payload Manager Review number 13 |
| PMT |
PhotoMultiplier Tube |
| PN |
probability (of occurrence) number |
| PNAR |
Preliminary Non-Advocate Review |
| PNO |
Public Network Operator |
| 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, & Timing |
| PO |
Portugese Oscar |
| PO |
Pansat Oscar |
| PO/CP |
Engineering Change Request / Change Proposal |
| POA |
payload/ORU accommodation |
| POA |
port outboard aft |
| POC |
Point Of Contact |
| POCB |
Payload Operations Control Board |
| POCC |
Payload Operations Coordination Center |
| 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 |
| POM |
polyoxymethylene |
| PONSFD |
Proximity Operations Nano-Satellite Flight Demonstration |
| POP |
payload operations plan |
| POPACS |
Polar Orbiting Passive Atmospheric Calibration Sphere |
| POSAR |
Payload Operations Status Analysis Review |
| POWER |
Protecting Our Workers & Ensuring Reemployment Presidential Initiative |
| POWG |
Payload Operations Working Group |
| PP |
planning period |
| PP |
Processed Parameter |
| PP&C |
Program Planning & Control |
| PPA |
pump package assembly |
| PPAA |
planetary protection approval authority |
| PPAC |
parallel plate avalanche counter |
| PPBE |
Planning, Programming, Budgeting, & Execution |
| PPC |
Private Psychological Conference |
| PPCR |
Planning Product Change Request |
| PPDA |
Primary Power Distribution Assembly |
| PPE |
Personal Protective Equipment |
| PPFS |
Portable Pulmonary Function System |
| PPL |
Pre-Positioned Load |
| PPM |
Positions & Proper Motions (catalog) |
| PPRA |
Positive Pressure Relief Assembly |
| PPS |
Precipitation Processing System |
| PPSB |
Payload Power Switching Box |
| PPT |
pulsed plasma thruster |
| PR |
Planning Request |
| PR |
Precipitation Radar |
| PR |
Public Relations |
| PRA |
Probabilistic Risk Assessment |
| PRACA |
Problem Report & Corrective Action |
| PRBS |
pseudo-random bit sequence |
| PRCU |
Payload Rack Control Unit |
| PRD |
project requirements documents |
| PRD |
project 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 |
| PRI |
Primary 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 |
| PRNU |
photo response non-uniformity |
| PRO |
Payload Rack Officer |
| 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 |
| PROXI |
Proximity |
| PRR |
preliminary requirements review |
| PRR |
preliminary requirement review |
| PRT |
Perimeter Reflector Target |
| PR_CuNaR |
PPerto Rico CubeSat NanoRocks |
| PRoFILE |
Passive Radio Frequency Interference Location Experiment |
| PS |
Planning Set |
| PS |
pressurized section |
| PS |
Prostreishiy Sputnik |
| PSA |
Part stress analysis |
| PSBR |
Proton Spectrometer Belt Research |
| PSC |
Polar Stratospheric Cloud |
| PSCN |
Program Support Communications Network |
| PSD |
power spectral density |
| PSELFEXT |
Power Sum Equal Level Far-End Cross-Talk |
| PSF |
Point Spread Function |
| PSK |
phase shift keying |
| PSL |
Propulsion Systems Laboratory |
| PSM |
Payload Software Manager |
| PSNEXT |
Power Sum Near End Cross-Talk |
| PSP |
Parker Solar Probe |
| PSR |
PulSaR |
| PSRP |
Payload Safety Review Panel |
| PSS |
procedure standard specification |
| PSSO |
Programme/Project & Site Security Officer |
| PSSO |
Programme & Site Security Officer |
| PSSO |
Project System Security Officer |
| PSTAR |
stopping power & range tables for protons |
| PSU |
Power Supply Board |
| PT |
product tree |
| PT |
performance test |
| PTC |
packet field type code |
| PTC |
parameter type code |
| PTCS |
passive thermal control system |
| PTD |
Pathfinder Technology Demonstrator |
| PTDR |
Payload Training Dry Run |
| PTFE |
polytetrafluroethylene |
| PTFE |
polytetrafluorethylene |
| PTFE |
polytetrafluoroethylene |
| PTH |
platedthrough hole |
| PTH |
power transfer harness |
| PTH |
plated-through hole |
| PTH |
plated through hole |
| PTLS |
Persistent TT&C using LEO Satcom |
| PTP |
Payload Tactical Plan |
| PTR |
post test review |
| PTT |
Push to Talk |
| PTU |
pan-tilt unit |
| PTV |
Pre-Transmission Verification |
| PU |
panel unit |
| PUL |
portable utility light |
| PULSAUR |
Pulsating Aurora |
| PUM |
product user manual |
| PUNCH |
Polarimeter to Unify the Corona & Heliosphere |
| PUP |
Partner Utilization Plan |
| PUR |
Purple |
| PUS |
Packet Utilisation Standard |
| PV |
Photovoltaic |
| PVA |
photovoltaic array |
| PVC |
Permanent Virtual Circuit |
| 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 |
photovoltaic module |
| PVM |
Pioneer Venus Multiprobe |
| PVO |
Pioneer Venus Orbiter |
| PVP |
Payload Verification Plan |
| PVR |
photovoltaic radiator |
| PVT |
pressure-volume-temperature |
| PVTCS |
photovoltaic thermal control system |
| PW |
positive window |
| PWC |
Price Waterhouse Coopers |
| PWD |
Potable Water Dispenser |
| PWM |
pulse-width modulator |
| PWP |
portable work platform |
| PWR |
Pratt & Whitney Rocketdyne |
| PWS |
Portable Workstation |
| PaCTS |
Payload Computer Test System File |
| Pan-STARRS |
USAF Panoramic Survey Telescope & Rapid Reporting System |
| PasComSat |
Passive Communication Satellite |
| Pegsat |
Pegasus Satellite |
| Peole |
Preliminaire Eole |
| PetitSat |
Plasma Enhancements in The Ionosphere-Thermosphere Satellite |
| Pmax |
maximum power |
| Polar-Bear |
Polar Beacon Experiment & Auroral Research |
| Posat |
Portugese Satellite |
| Ppk |
process performance index |
| Ppm |
Parts Per Million |
| Pre-JORR |
Preliminary Joint Operation Readiness Review |
| Preparatory |
Project or NPP |
| ProSEDS |
Propulsive Small Expendable Deployer System |
| Procedure |
Development Support Software |
| Project |
instrument) |
| Proof cell |
Proof Pressure Cell |
| PtP |
Progress to Plan |
| 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 |
| QDM |
Quick Don Mask |
| QFN |
quad flat pack no leads |
| QFP |
quad flat pack |
| QL |
qualification test load |
| QM |
qualification model |
| QML |
qualified manufacturers list |
| QML |
qualified manufacturer list |
| QMS |
Quality Management System |
| QPL |
qualified parts list |
| QPL |
qualified product list |
| QPSK |
quadrature phase shift keying |
| QQW |
Qi Qui Weixing |
| QR |
qualification review |
| QRR |
qualification review report |
| 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 |
| Qmax |
maximum heat transport capability |
| QoS |
Quality of Service |
| QuARCS |
Quad Amateur Radio Communications Satellite |
| QuikSCAT |
Quick SCATerometer |
| QuikTOMS |
Quick Total Ozone Mapping Spectrometer |
| R |
ratio of the minimum stress to maximum stress |
| R |
sunspot number |
| R |
redundant |
| R&A |
Research & Analysis |
| R&D |
Research & Development |
| R&MA |
Restraint & Mobility Aid |
| 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 |
| RACE |
Rocket Auroral Correlator Experiment |
| RACE |
Radiometer Atmospheric CubeSat Experiment |
| RADAR |
RAdio Detection & Ranging |
| RADLAT |
radiation lot acceptance test |
| RADOSE |
Radiation Dosimeter Experiment |
| RAE |
Radio Astronomy Explorer |
| RAID |
Redundant Array of Independent Disks |
| RAIU |
Russian audio interface unit |
| 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 |
| RATE |
Radiant Teak |
| RAU |
Remote Actuator Unit |
| RAVAN |
Radiometer Assessment using Vertically Aligned Nanotubes |
| RB |
requirements baseline |
| RBD |
reliability block diagram |
| RBE |
relative biological effectiveness |
| RBG |
Robotics Group |
| RBI |
remote bus isolator |
| RBLE |
Radiation Belt Loss Experiment |
| 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 |
| RCCB |
Reconfiguration Change Control Board |
| RCI |
Rodent Cage Interface (for SLS mission) |
| RCS |
Reaction Control System |
| RCS |
Radar Cross Section |
| RCT |
Rover Control Terminal |
| RCT |
Rover Control Station |
| RD |
Reference Document |
| RDC |
relative damage coefficients |
| RDM |
radiation design margin |
| RE |
Earth radius |
| RE |
radiated emission |
| REACH |
registration, evaluation, authorisation of chemicals |
| REACH |
Registration, Evaluation, Authorisation & Restriction of Chemicals (European Regulation) |
| REALM |
RFID Enabled Autonomous Logistics Management |
| REALOP |
Remote Experimentation & Analysis of Low Orbit Phenomena |
| RECONSO |
Reconnaissance of Space Objects |
| REDU |
ESA Satellite Ground Station in Redu Belgium |
| REG |
regulated electron gun |
| REM |
Rat Enclosure Module (for SLS mission) |
| REP |
Rendezvous Evaluation Pod |
| RES |
equivalent symbol rate |
| REST |
Representational State Transfer architecture |
| RETRY |
retry control word |
| REV |
Response Execution Verification |
| REX |
Radiation Experiment |
| REXS |
Radiation Experiments SatelliteRadar Imaging Satellite |
| RF |
Radio Frequency |
| RFA |
request for approval |
| RFCP |
reduced fracture-control programme |
| RFD |
Request for Deviation |
| RFD |
Reentry Flight Demonstration |
| RFI |
Radio Frequency Interference |
| RFI |
Request for Information |
| RFID |
Radio Frequency IDentification |
| RFNA |
Red Fuming Nitric Acid |
| RFP |
Request for Proposal |
| RFQ |
request for quote |
| RFRR |
Russian Facility Readiness Review |
| RFT |
reduced functional test |
| RFTA |
Recyclable Filter Tank Assemblies |
| RFTSat |
Radio Frequency Tag Satellitee |
| RFW |
Request for Waiver |
| RFW |
Request For Work |
| RGA |
rate gyro assembly |
| RGS |
reflection grating spectrometer |
| RH |
relative humidity |
| RHA |
radiation hardness assurance |
| RHC |
rotational hand controller |
| 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 |
refractive index |
| RI&V |
Requirements Integration & Verification (For GS IPS PLs) |
| RIACS |
Research Institute for Advanced Computer Science |
| RIC |
Rack Interface Computer |
| RIC |
rack interface controller |
| RID |
Review Item Discrepancy |
| RIDU |
Remote Interface Data Unit |
| RIN |
relative intensity noise |
| RIO |
Remote Interface Officer |
| RIP |
Requirements Integration Panel |
| RIS |
remote triaxial sensor |
| RISAT |
Radar Imaging Satellite |
| RIU |
Remote Interface Unit |
| RIV |
Requirements, Integration & Verification |
| RJ |
jovian radius |
| RJF |
requirement justification file |
| RKE |
relative knowledge error |
| RLCL |
retriggerable latching current limiter |
| RLTF |
Rack Level Test Facility |
| RLV |
reusable launch vehicle |
| RLVCC |
RLV Control Center |
| RM |
Radiometer |
| RM |
Radiation Meteoroid |
| RM |
Research Module |
| RMAP |
remote memory access protocol |
| RMC |
raw material certificate |
| RME |
Relay Mirror Experiment |
| RML |
recovered mass loss |
| RML |
residual mass loss |
| RMP |
Risk Mitigation Phase |
| RMPR |
Reliability & Maintainability Predictions Report |
| RMS |
Remote Manipulator System |
| RMS |
Radiation Meteoroid Satellite |
| RMSA |
Rack Maintenance Switch Assembly |
| RMW |
read-modify-write |
| RN |
Release Note |
| RNGC |
Revised New General Catalog |
| RNase |
Ribonuclease |
| ROBUSTA |
Radiation on Bipolar Test for University Satellite Application |
| ROCSat |
Republic of China Satellite |
| ROD |
review of design |
| ROD |
review-of-design |
| RODF |
Russian Operations Data File |
| ROEU |
remotely operable 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 |
| RPM |
Revolutions Per Minute |
| RPOD |
Rendezvous, Proximity Operations & Docking |
| RPODU |
RPOD & Undocking |
| RPP |
rectangular parallelepiped |
| RPS |
Relativistic Proton Spectrometer |
| RPS |
Radioisotope Power System |
| RPT |
Rocket Propulsion Testing |
| RPWG |
Research Planning Working Group |
| RQ |
Requirement |
| RR |
Readiness Review |
| RRF |
Risk Reduction Flight |
| RRPT |
review of design report |
| RRW |
rate random walk |
| RS |
Radio Sputnik |
| RS |
Russian (on-orbit) Segment |
| RS |
like in ESA-ISS-COL_SEC-RS-002 |
| RS |
Russian Segment |
| RS |
Rohini 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 |
Rocket Space Corporation–Energia |
| RSDO |
Rapid Spacecraft Development Office |
| 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 |
| RST |
Read Signal Tone |
| RSU |
roller suspension unit |
| RT |
Remote Terminal |
| RTAS |
Boeing/Rocketdyne truss attachment system |
| RTAX |
A field programmable gate array on RSBP |
| RTC |
Return Trajectory Corrections |
| RTDS |
Radar Tracking Density Satellite |
| RTE |
Reusable TE |
| RTEMS |
Real-Time Executive for Multiprocessor Systems |
| RTF |
Return to Flight |
| RTG |
Radioisotope Thermoelectric Generator |
| RTI |
Runtime Infrastructure |
| RTL |
register transfer logic |
| RTLS |
Return To Launch Site (Shuttle abort plan) |
| RTM |
requirement traceability matrix |
| RTMM |
Real Time Mission Monitor |
| RTOS |
Real Time Operating System |
| RTP |
Rohini Test Payload |
| RTR |
remote transmission request |
| RTS |
remote triaxial sensor |
| RTT |
Research Transition Teams |
| RUC |
Rectangular Umbilical Connectors |
| RUD |
Rapid Unscheduled Disassembly |
| RUD |
Rapid Unplanned Disassembly |
| RUPSM |
resource utilization planning & system models |
| 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 |
| 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 |
| Rchs |
channel symbol rate |
| Reflector |
Retro-reflector Ensemble For Laser Experiments, Calibration, Testing & Optical Research |
| Rev. |
Revision |
| Rg |
resistance to ground |
| Ri |
insulation resistance |
| RoHS |
restriction of certain hazardous substances |
| RoHs |
restriction of the use of certain hazardous substances |
| Roscosmos |
Russian Federal Space Agency |
| RpK |
Rocketplane-Kistler |
| Rx |
receiver |
| S |
Scientific |
| S&B |
Storage & Backup |
| S&MA |
Safety & Mission Assurance |
| S-CUBE S3 |
Shootingstar Sensing Satellite |
| S-Z |
DDS Station Zone |
| S-band |
S-band subsystem |
| S.C. |
solar constant |
| S.C. |
(AM0) solar constant at air mass 0 |
| S/A |
Solar array |
| S/C |
SpaceCraft |
| S/G |
Space-to-Ground |
| S/N |
signal to noise ratio |
| 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 |
| SA |
Single Access |
| SA |
Sample Acquisition, Processing, & Handling (drill for MSL) |
| SA |
Infrastructure Monitoring System (ColCC) |
| SA |
Spar Aerospace |
| SA |
Saturn Apollo |
| SAA |
South Atlantic Anomaly |
| SAA |
Space Act Agreement |
| SABIA-Mar SAC E |
Satélites Argentino-Brasileño para Información Ambiental del Mar |
| SAC |
Satelite de Aplicaciones Cientificas |
| SAC-D |
Satellite de Aplicaciones Cientificas–D (Argentina) |
| SACI |
Satélite Científico |
| SAD |
solar array drive |
| SADA |
Solar Array Drive Assembly |
| SADM |
solar array drive mechanism |
| SAE |
Society of Automotive Engineers |
| SAFER |
Simplified Aid for EVA Rescue |
| SAGA |
Solar Array Gain Augmentation (for HST) |
| SAGE |
strategic aerosol & gas experiment |
| SAGE |
Stratospheric Aerosol & Gas Experiment |
| SAL |
Spread Around Liquid |
| SALMON |
Stand Alone Missions of Opportunity NRA |
| SALSAT |
Spectrum AnaLysis Satellite |
| SALT |
Spinsat Altimeter |
| SAM |
scanning acoustic microscope |
| SAM |
scanning accoustic microscopy |
| SAM |
scanning acoustic microscopy |
| SAM-II |
second-generation space acceleration measurement system |
| SAMBA |
Satellite for Measurement of Background Anisotropies |
| SAMPEX |
Solar Anomalous & Magnetospheric Particle EXplorer |
| SAMS |
Space Acceleration Measurement System |
| SAMSON |
Space Autonomous Mission for Swarming & Geolocation with Nanosatellites |
| SAN |
Storage Area Network |
| 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 |
Synthetic Aperture Radar |
| SAR |
Search & Rescue |
| SARA |
Satellite Amateur de Radio-Astronomie |
| SARA |
Satellite pour Astronomie Radio Amateur |
| SAREX |
Shuttle amateur radio experiment |
| SAREX |
Space Amateur Radio Experiment |
| SAREX |
Search & Rescue Exercise |
| SARJ |
solar alpha rotary joint |
| SART |
Security Assessment & Report Team |
| SART |
Security Analysis & Response Team (sub-panel of ISS GSCB) |
| SAS |
Space Activity Suit |
| SAS |
Small Astronomy Satellite |
| SAS |
Space Adaptation Syndrome |
| SAS |
Special Application Software |
| SASSI2 |
Student Aerothermal Spectrometer Satellite of Illinois & Indiana |
| SAT |
Strategic Astrophysics Technology |
| SAT |
Synthetic Aperture Telescope |
| SATEC |
Satélite Tecnológico |
| SATMON |
Satellite Monitoring Tool |
| SAU |
Strategic Airspace Usage |
| SAW |
solar array wing |
| SAX |
Satellite Astronomia Raggio-X |
| SB |
solder bath float |
| SB |
small body |
| SBC |
Single Board Computer |
| SBD |
Special Bus Design |
| SBF |
start of broadcast frame |
| SBIR |
Small Business Innovative Research |
| SBIRS-High |
Space Based Infra Red Sensor - High Altitude |
| SBIRS-Low |
Space Based Infra Red Sensor - Low Altitude |
| SBNg |
Software Bus Network - Gateway |
| 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 |
| SC |
stress-corrosion |
| SC |
short circuit |
| SCA |
Shuttle Carrier Aircraft |
| SCADA |
Supervisory Control & Data Acquisition |
| SCAMP |
Supersonics Caustic Analysis & Measurement Program |
| SCAMPI |
standard CMMI appraisal method for process improvement |
| SCAP |
Shared Capability Assets Program |
| SCAPE |
Self-Contained Atmospheric Protection Ensemble |
| SCARI |
Self Compensating All Reflection Interferometer |
| SCATHA |
Spacecraft Charging At High Altitudes |
| SCB |
Security Control Board |
| SCC |
stress corrosion cracking |
| SCC |
space component coordination |
| SCC |
stress-corrosion cracking |
| SCCS |
Spaceport Command & Control System |
| SCD |
Satelites de Coleta de Dados |
| SCE |
Store & Forward Selective Communication Experiment |
| SCEF |
stress-corrosion evaluation form |
| SCEM |
The Scientific Context for Exploration of the Moon, NRC Planetary Science report |
| SCET |
spacecraft elapsed time |
| SCEX |
Several Compatible Experiments using Rocket-borne Accelerator |
| SCF |
software configuration file |
| SCI |
scaleable coherent interface |
| SCIFER |
Souding of the Cleft Ion Fountain Energization Region |
| SCIR |
Station Cargo Integration Review |
| SCM |
Station Cargo Manifest |
| SCNS |
Space Communications Network Services |
| SCOE |
Special Checkout Equipment |
| SCORE |
Signal Communication Orbit Relay Experiment |
| SCR |
Software Change Request |
| SCS |
Small Communication Satellite |
| SCSB |
Space Components Steering Board |
| SCT |
Schmidt-Cassegrain Telescope |
| SCU |
sync & control unit |
| SCUBA |
Self-Contained Under-Water Breathing Apparatus |
| SCaN |
Space Communications & Navigation |
| SCaN-Tesbed |
Space Communications & Navigation Testbed |
| SD |
Smoke Detector |
| SDBP |
spacecraft data bus protocol |
| SDC |
Science Data Centre |
| SDD |
Service Description Document |
| SDDF |
SW Design & Development Facility |
| SDDN |
Secure Data Distribution Network |
| SDE |
software development environment |
| SDF |
start of data frame |
| SDFR |
short-duration foot restraint |
| SDI |
Strategic Defense Initiative |
| SDIL |
Software Development & Integration Laboratory (Houston) |
| SDIO |
Strategic Defense Initiative Organization (now BMDO) |
| SDK |
software development kit |
| SDM |
Space Debris Mitigation |
| SDMS |
Secure Document Management System |
| SDMS |
Secured DMS |
| SDO |
Solar Dynamics Observatory |
| SDOF |
single degree of freedom |
| SDP |
Spin-plane Double Probe |
| SDP |
Special Defense Program |
| SDRAM |
synchronous dynamic random access memory |
| SDRD |
Subcontractor Data Requirement List |
| SDS |
Satellite Data System |
| SDTO |
Station Development Test Objective |
| SDU |
service data unit |
| SE |
sensor enclosure |
| SE |
&I System Engineering & Integration |
| SE |
Solar Explorer |
| SE&I |
Systems Engineering & Integration |
| SE&OI |
System Engineering & Operations Integration |
| SEA |
Sun exclusion angle |
| SEAC4RS |
Southeast Asia Composition, Cloud, Climate Coupling Regional Study |
| SEATEST |
Space Environment Analog for Testing EVA Systems & Training |
| SEB |
single event burn-out |
| SEBO |
single event burn-out |
| SEC |
Security |
| SECOR |
Sequential Collation of Range |
| SECS |
Special Experimental Communication System |
| SED |
single event disturb |
| SEDR |
single event dielectric rupture |
| SEDS |
Students for the Exploration & Development of Space |
| SEDS |
Small Expendable Deployer System |
| SEDSat |
Students for the Exploration & Development of Space Satellite |
| SEE |
single event effect |
| SEE |
secondary electron emission |
| SEE |
single level effect |
| SEE |
single-event effect |
| SEE |
single event effects |
| SEEA |
Software Error Effects Analysis |
| SEEDS |
Space Engineering Educational Satellite |
| SEF |
spectral efficiency factor |
| SEFI |
single event functional interrupt |
| SEGR |
single event gate rupture |
| SEHE |
single event hard error |
| SEI |
Space Exploration Initiative |
| SEL |
single-event latch-up |
| SEL |
single event latch-up |
| SELENE |
Selenological & Engineering Explorer |
| SEM |
scanning electron microscope |
| SEM |
scanning electronic microscope |
| SEMAA |
Science Engineering Mathematics Aerospace Academy |
| SENSE |
Space Environmental NanoSat Experiment |
| SEP |
Solar Energetic Particles |
| SEPE |
solar energetic particle event |
| SEPE |
solar energetic particle events |
| SEPs |
solar energetic particles |
| SEQ_NUM |
sequence number |
| SEREP |
system equivalent reduction expansion process |
| SERPENS |
Sistema Espacial para Realização de Pesquisa e Experimentos com Nanossatélites |
| SERT |
Space Electric Rocket Test |
| SERTS |
Solar EUV Rocket Telescope & Spectrograph |
| SERVIS |
Space Environment Reliability Verification Integrated System |
| SESAT |
Sibirian European Satellite |
| SESB |
single event snapback |
| SESP |
Space Experiment Support Program |
| SEST |
Swedish ESO Submillimeter Telescope |
| SET |
Space Environment Testbeds |
| SETAG |
Space Environment Test Alliance Group |
| SETI |
Search for ExtraTerrestrial Intelligence |
| SEU |
single event upset |
| SEV |
Scout Evaluation Vehicle |
| SEWP |
Solutions for Enterprise-Wide Procurement |
| SEY |
secondary emission yield |
| SFA |
small fine arm |
| SFCA |
system flow control assembly |
| SFCG |
Space Frequency Co-ordination Group |
| SFCO |
Space Flight Crew Operations |
| SFMEA |
Software FMEA |
| SFS |
Space & Flight Support |
| SFT |
system functional test |
| SFU |
Space Flyer Unit |
| SFW |
Subsonic Fixed Wing |
| SG |
general specification |
| SGANT |
antenna group |
| SGDC |
Satélite Geoestacionário de Defesa e Comunicações Estratégicas |
| SGICD |
space-to-ground interface control document |
| SGLS |
Satellite Ground Link System |
| SGLT |
Space-to-Ground Link Terminals |
| SGM |
SafeGuard Memory |
| SGSS |
Space Network Ground Segment Sustainment |
| SH |
Southern Hemisphere |
| SHA |
system hazard analysis |
| SHARC |
Satellite for High Accuracy Radar Calibration |
| SHARP |
Slender Hypervelocity Aerothermodynamic Research Probe |
| SHC |
Structural Hazard Control |
| SHF |
super-high frequency (3 GHz-30 GHz) |
| SHF |
super high frequency, frequency from 3 GHz to 30 GHz |
| SHFT |
Space-based High Frequency Testbed |
| SHIELDOSE |
space shielding radiation dose calculations |
| SHM |
Structural Health Monitoring |
| SHO |
Scheduling Order |
| SHP |
SharePoint |
| SI |
Strategic Integration |
| SIA |
starboard inboard aft |
| SICRAL |
Sistema Italiano per Comunicazioni Riservate ed Allarmi |
| SID |
Sudden Ionospheric Disturbance |
| SID |
Short Identifier |
| SIDEX |
Signal Identification Experiment |
| SIF |
starboard inboard forward |
| SIGF |
Solar Irradiance Gap Filler |
| SIGMA |
Scientific cubesat with Instruments for Global magnetic field & radiation |
| SIL |
System Integration Laboratory |
| SIM |
Simulation |
| SIM |
Space Interferometry Mission |
| SIMBA |
Sun-earth Imbalance |
| SIMPL |
Satlet Initial-Mission Proofs & Lessons |
| SINOD |
SRI International NanoSat Orbital Demonstration |
| SIP |
Space Interceptor Program |
| SIP |
Support Increment Planner |
| SIR |
Spaceborne Imaging Radar |
| SIR |
standard interface rack |
| SIR |
Shuttle Imaging Radar |
| SIR |
System Integration Review |
| SIRTF |
Space (formerly Shuttle) InfraRed Telescope Facility |
| SISO |
single input - single output |
| SISO |
single input - single output system |
| SITE |
Software Integration & Test Environment |
| SITF |
Software Integration Testing Facility |
| SIVQ |
Software Integration & Verification |
| SJ |
Shi Jian |
| SKD |
orbit correction engine |
| SKIP |
skip control word |
| SKM |
space kinematic model |
| SL |
Spacelab |
| SL |
(Comet) Shoemaker-Levy |
| 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 |
| SLAR |
Side-Looking Airborne Radar |
| SLC |
Space Launch Complex |
| SLDCOM |
Satellite Launch Dispenser Communication |
| SLE |
Space Link Extension |
| SLES |
Spacecraft Life Extension System |
| SLP |
Spacelab pallet |
| SLPSRA |
Space, Life & Physical Sciences Research & Applications |
| SLPSRAD |
Space Life & Physical Sciences Research & Applications Division |
| SLR |
Satellite Laser Ranging |
| SLS |
Space(lab) Life Sciences |
| SLSOV |
Sample Line Shut Off Valve |
| SM |
Service Module |
| SMA |
Safety & Mission Assurance |
| SMAC |
spacecraft maximum allowable concentration |
| SMAP |
Soil Moisture Active/Passive |
| SMART |
Small Missions for Advanced Research in Technology |
| 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/TEL |
Space & Mission Command/Test & Evaluation Directorate |
| SMCC |
Service Module Central Computer |
| SMD |
Science Mission Directorate |
| SMDC-One |
Space Missile Defense Command - Operational Nanosatellite Effect |
| SMDC-TechSat |
Space Missile Defense Command - Technology Satellite |
| SMDL |
Simulation Model Definition Language |
| SME |
Solar Mesosphere Explorer |
| SMEX |
SMall EXplorers |
| SMEX |
Small Explorer |
| SMG |
Structures & Mechanisms Group |
| 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 |
| SMO |
Space Medicine Office |
| SMOS |
Soil Moisture & Ocean Salinity |
| SMP |
Security Management Plan |
| SMS |
Synchroneous Meteorological Satellite |
| SMS |
Safety & Mission Success |
| SMT |
Simulation Time |
| SMT |
Simulated Mission Time |
| SMTP |
simple mail transfer protocol |
| SMTS |
Space Missile Tracking System |
| SMU |
single word multiple-bit upset |
| SN |
SuperNova (e.g., SN1987A) |
| SN |
Space Network |
| SNAFU |
Situation Normal All F**cked Up |
| SNAPS |
Stanford Nano Picture Satellite |
| SNC |
Sierra Nevada Corporation |
| SNCD |
Selected Non-Critical Data |
| SNGG |
Space Network Ground Segment Sustainment |
| SNIPE |
Small scale magNetospheric & Ionospheric Plasma Experiment |
| SNMP |
Simple Network Management Protocol |
| SNOE |
Student Nitric Oxide Explorer |
| SNR |
Signal to Noise Ratio |
| SNR |
SuperNova Remnant |
| SNU |
Solar Neutrino Units |
| SNVCD |
Selected Non-Vital Command & Data |
| SNoOPI |
SSigNals of Opportunity P-band Investigation |
| SO |
Stikovchnoy Otsek |
| SO |
Starshine Oscar |
| SO |
Sunsat Oscar |
| SO |
SEDS Oscar |
| SO |
Saudisat Oscar |
| SOA |
starboard outboard aft |
| SOARS |
Space Object Automated Reporting Systems |
| SOC |
Solar Orbiter Collaboration |
| SOC |
Security Operations Center |
| SOC |
state of charge |
| SOCCRATES |
SW Only CEV Risk Reduction Analysis & Test Engineering Simulator |
| SOCRATES |
Signal of Opportunity Cubesat Ranging & Timing Experiments |
| SOCRATES |
Space Optical Communications Research Advanced Technology Satellite |
| SOD |
small outline device |
| SODF |
systems operations data file |
| SODF |
Station Operations Data File |
| SODF |
System Operations Data File |
| SOEP |
Science Operations & Evaluation Plan |
| SOF |
starboard outboard forward |
| SOFIA |
Stratospheric Observatory for Infrared Astronomy |
| SOHO |
Solar Heliospheric Observer |
| SOIC |
small outline integrated circuits |
| SOICAL |
Space Object Identification Calibration |
| SOIS |
spacecraft onboard interface services |
| SOIS |
spacecraft onboard interface services (from CCSDS) |
| SOLAR |
Solar Monitoring Observatory Facility |
| SOMD |
Space Operations Mission Directorate |
| SONATE |
Solutus Nano atellite |
| SOOS |
Stacked Oscars On Scout |
| SOP |
System Operations Procedure |
| SOR |
System Operation Reference document |
| SORCE |
Solar Radiation & Climate Experiment |
| SORI |
Small ORU Robotics Interface |
| SORI LV |
SORI Launch Variant |
| SORR |
Stage Operations Readiness Review |
| SORTIE |
Scintillation Observations & Response of The Ionosphere to Electrodynamics |
| SOS |
software operation support |
| SOS |
silicon-on-sapphire |
| SOSC |
Space Operations Support Center |
| SOST |
Subcommittee on Ocean Science & Technology |
| SOT |
small outline transistor |
| SOW |
statement of work |
| SP |
SharePoint |
| SP-L |
split phase-level |
| 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 |
| 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 |
| SPASE |
Small Payload Access to Space Experiment |
| SPC |
Standard Processing Computers |
| SPCD |
Secondary Power Conversion & Distribution |
| SPDA |
secondary power distribution assembly |
| SPDE |
Secondary Power Domain Electronics |
| SPDG |
Space Product Development Group |
| SPDM |
Special Purpose Dextrous Manipulator |
| SPDM |
special purpose dexterous manipulator |
| SPE |
solar particle event |
| SPE |
solar particle events |
| SPE |
static phase error |
| SPE |
special pressurized equipment |
| SPEA |
Solar Pressure Equilibrium Attitude |
| SPEAR |
Space Power Experiment aboard Rocket |
| SPECTRE |
Student Run Program for Exoatmospheric Collection Technologies Rocket Experiment |
| SPEL |
synthetic parameter expression language |
| SPENVIS |
Space Environment Information System |
| SPF |
Space Power Facility |
| SPG |
single point ground |
| SPHERES |
Synchronized Position Hold, Engage, Reorient, Experimental Satellites |
| SPHINX |
Space Plasma High-Voltage Interaction Experiment |
| SPI |
Spectrometer on INTEGRAL |
| SPIDR |
Spectroscopy & Photometry of the Intergalactic Medium's Diffuse Radiation |
| SPINR |
Spectrograph for Photometric Imaging with Numeric Reconstruction |
| SPIP |
Station Program Implementation Plan |
| SPIRALE |
Système Préparatoire Infra-Rouge pour l'Alerte |
| SPIRIT |
Space Infra-Red Imaging Telescope |
| SPIRIT |
Student Project Involving Rocket Investigation Techniques |
| SPIS |
spacecraft plasma interaction simulation |
| SPK |
Sredstvo Peredvizheniya Kosmonavtov |
| SPL |
sound pressure level |
| SPLC |
Standard Payload Computer |
| SPN |
Station Program Note |
| SPOC |
Space Program Operations Contract |
| SPOE |
Standard Payload Outfitting Equipment |
| SPORT |
Scintillation Prediction Observations Research Task |
| SPOT |
Satellite Pour l'Observation de la Terre |
| SPP |
science power platform |
| SPP |
Scientific Passenger Pod |
| SPP |
Solar Power Platform |
| SPP |
Solar Probe Plus |
| SPR |
System Problem Report |
| SPR-Db |
System Problem Reporting Database |
| SPROUT |
Space Research On Unique Technology |
| SPRdb |
System Problem Report data base |
| SPS |
Solar Power Satellite |
| SPT |
stationary plasma thruster |
| SPTR |
Starboard Port Thermal Radiator |
| SPV |
single-pressure vessel |
| SPaH |
Sample Acquisition, Processing, & Handling (drill for MSL) |
| SR |
Special Relativity |
| SR |
Space Radiation |
| SR |
Sun Ray |
| SR |
Senior Review |
| SR&MA |
Safety, Reliability, & Mission Assurance |
| SR&Q |
Safety, Reliability, & Quality |
| SR&T |
Supporting Research & Technology |
| SRAM |
static random access memory |
| SRATS |
Solar Radiation & Thermospheric Satellite |
| SRB |
Senior Review Board |
| SRB |
Solid Rocket Booster |
| SRB |
Standing Review Board |
| SRC |
Sample Return Capsule |
| SRD |
System (or Subsystem) RequirementsDocument |
| 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 |
| 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 |
| SRR |
System Requirement Review |
| SRRC |
square-root raised-cosine |
| SRS |
shock response spectrum |
| SRTM |
Space Radar Topography Mission |
| SRTM |
Shuttle radar topography mission |
| SRTT |
Short Range Reflector Target |
| SRW |
Subsonic Rotary Wing |
| SS |
Space Shuttle |
| SS |
Scientific Satellite |
| SSA |
SITE Simulation Assembly |
| SSAR |
System Safety Analysis Report |
| SSAS |
segment-to-segment attachment system |
| SSAT |
Sector Shielding Analysis Tool |
| SSB |
space studies board |
| SSBRP |
Space Station Biological Research Project |
| SSC |
Stennis Space Center |
| SSC |
Station Support Computer |
| SSCB |
Space Station Control Board |
| SSCC |
Space Station Control Center |
| SSCCD-O |
Space Station Configuration Control Document - On-Orbit |
| SSCM |
Space Station Change Memo |
| SSCS |
space-to-space communication system |
| SSD |
Solar Sail Demonstration |
| SSDS |
Service Supplied Diving System |
| SSE |
Space Station Eyewash |
| SSETI-Express |
Student Space Exploration & Technology Initiative - Express |
| SSF |
Space Station Fred (er, Freedom) (Superseded by ISS) |
| SSH |
Secure Shell Protocol |
| SSHA |
subsystem hazard analysis |
| SSI |
Space Studies Institut |
| SSI |
Solid-State Imager (on Galileo) |
| SSIPC |
Space Station Integration & Promotion Center |
| SSK |
surface sampler kit |
| SSL |
Secure Socket Layers |
| SSLA |
Space Station Light Assembly |
| SSM |
space system model |
| SSM |
second surface mirror |
| SSMB |
Space Station Manned Base |
| SSME |
Space Shuttle Main Engine |
| SSNSAP |
source subnetwork service access point |
| 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 |
| SSPCB |
Space Station Program Control Board |
| SSPCM |
solid-state power control module |
| SSPF |
Space Station Processing Facility |
| SSPS |
Sky Survey Prototype System |
| SSR |
Bus loss Subsystem Recovery |
| SSR |
(Digital) Solid State Recorder |
| SSR |
Satelites de Sensoriamento Remoto |
| SSR |
Solid State Recorder |
| SSRML |
Safety, Reliability, Maintainability, & Logistics |
| SSRMS |
Space Station Remote Manipulator System |
| SSRT |
Single Stage Rocket Technology |
| SSS |
Small Scientific Satellite |
| SSS |
Sea Surface Salinity |
| SSSR |
space-to-Space-Station radio |
| SST |
Spectroscopic Survey Telescope |
| SST |
SuperSonic Transport |
| SST |
Spitzer Space Telescope |
| SSTF |
Space Station Training Facility |
| SSTO |
Single Stage To Orbit |
| SSU |
sequential shunt unit |
| SSU |
Subsatellite Unit |
| SSUM |
space segment user manual |
| SSVTF |
Space Station Verification & Training Facility |
| ST |
Singapore Thailand |
| ST |
Space Technology |
| ST |
Space Technologies |
| ST7 |
Space Technology 7 mission |
| STA |
Structural Test Article |
| STACEM |
Sttudent Academic Environmental Monitoring |
| STANDBY |
standby control word |
| STARE |
Space-Based Telescope for the Actionable Refinement of Ephemeris |
| STARS |
Space Tethered Autonomous Robotic Satellite |
| STATUS |
status field |
| STC |
star camera |
| STD |
Standard Technical Design |
| STEDI |
Student Explorer Demonstration Initiative |
| STEM |
Science, Technology, Engineering, & Mathematics (Education) |
| STENSAT |
Stenhouse Satellite |
| STEP |
Space Test Experiment Platform |
| STEP Cube Lab |
Space Technology Experimental Projects CubeSat Laboratory |
| STEREO |
Solar TErrestrial RElations Observatory |
| STEX |
Sensor Technology Experiment |
| STF |
Simulation to Flight |
| STI |
Scientific & Technical Information |
| STIS |
Space Telescope Imaging Spectrometer (to replace FOC & GHRS) |
| STM |
star mapper |
| STM |
structural-thermal model |
| STM |
structural thermal model |
| STM |
structural model |
| STMSat |
Saint Thomas More Satellite |
| STP |
Solar Terrestrial Probes |
| STP |
Short Term Plan |
| STPSat |
Space Test Program Satellite |
| STR |
star tracker |
| STRATOS |
Safeguarding Thermal Resources Avionics Telecommunications Operations Systems |
| STRG |
Space Technology Research Grants Program |
| STRM |
Storage Manager |
| STRR |
S/W Transition Readiness Review |
| STRV |
Space Technology Research Vehicle |
| STRaND |
Surrey Training Research & Nanosatellite Demonstrator |
| 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 Program |
| STTW |
Shiyan Tongbu Tongxing Weixing |
| STV |
Satellite Test Vehicle |
| SU |
Setup |
| SUCHAI |
Satellite of the University of Chile for Aerospace Investigation |
| SUP |
Standard Utility Panel |
| SUPP |
Suppressed |
| SV |
Software Variable |
| SVC |
Switched Virtual Circuit |
| SVF |
software validation facility |
| SVMF |
Space Vehicle Mock-up Facility |
| SVS |
space vision system |
| SVT |
Science Verification Test |
| SVT |
System Validation Test |
| SVTL |
safety verification tracking log |
| SW |
Software |
| 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 |
| 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 |
| SXS |
High-Resolution Soft X-Ray Spectrometer |
| SYNC |
synchronisation object |
| SYNCH |
data bus system synchronization signal |
| SYS |
System |
| SYSCON |
Systems Controller |
| 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 |
| SerDes |
serialiser-deserialiser |
| Si, |
SiGe silicon, silicon germanium |
| 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 |
| SoI |
Summer of Innovation |
| SolO |
Solar Orbiter |
| Solarmax |
Solar Maximum Mission |
| SoloHI |
Solar & Heliospheric Imager |
| Solrad |
Solar Radiation |
| Solwind |
Solar Wind |
| 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 |
| 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 |
| Stentor |
Satellite de Télécommunications pour Expérimenter les Nouvelles Technologies en Orbite |
| Stratospheric |
THz Observatory |
| 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 |
| SwRI |
Southwest Research Institute |
| Syncom |
Synchroneous Communication |
| T |
takeoff or time |
| T&C |
Training & Certification |
| T&R |
Transition & Retirement |
| T-LR |
The ATV-CC Local Representative in Toulouse |
| T-TSAFE |
Terminal-Tactical Separation Assured Flight Environment |
| T/C |
thermal cycling |
| T/L |
Timeline |
| T288 |
time to delamination at 288˚C |
| TA |
test article |
| TA |
task analysis |
| TA |
acceptance temperature |
| TACOMSAT |
Tactical Communication Satellite |
| TACSAT |
Tactical Satellite |
| TAI |
temps atomique international - international atomic time |
| TAI |
international atomic time |
| TAL |
Transatlantic Abort Landing (Shuttle abort plan) |
| TAM |
test analysis model |
| TANSTAAFL |
There Ain't No Such Thing As A Free Lunch |
| TAOS |
Technology for Autonomous Operational Satellite |
| TARZAN |
Total Aerobic Resistive Device in Zero G with Analyzer Network |
| TAS |
thermal analysis for space |
| TAS-I |
Thales Alenia Space - Italy |
| 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 determined |
| TBD |
To be defined/determined |
| TBD |
To Be Defined |
| TBEx |
Tandem Beacon Experiment |
| TBI |
through bulkhead initiator |
| TBI |
through-bulkhead initiator |
| TBPC |
to be provided by customer |
| TBPM |
to be provided by manufacturer |
| TBPU |
to be provided by user |
| TBR |
To be resolved/reviewed |
| TBS |
to be supplied |
| TBT |
thermal balance test |
| TBW |
to be written |
| TC |
Tan Ce |
| TC |
Test Configuration |
| TC |
Telecommand |
| TCA |
thrust chamber assembly |
| TCAA |
Trace Contaminant Control Assembly |
| TCB |
Training Control Board |
| TCC |
thermal control coatings |
| TCCS |
trace contaminate control subassembly |
| TCD |
Training Control Document |
| TCG |
Thermal Control Group |
| TCI |
technology conformance inspection |
| TCL |
Test Configuration List |
| TCM |
Thermal Convection Module |
| TCO |
Timeline Change Officer |
| TCP |
Transport Control Protocol |
| TCP/IP |
transmission control protocol/internet protocol |
| TCR |
Telemetry, Command & Ranging |
| TCS |
Thermal Control System |
| TCU |
Temperature Controlled Units |
| TCV |
technological characterization vehicle |
| TD |
transfer device |
| TD |
Thor Delta |
| TDA |
Target Docking Adaptor |
| TDD |
Task Description Document |
| TDE |
Technology Development Element |
| TDEM |
Technology Development for Exoplanet Missions |
| TDF |
Télédiffusion de France |
| TDI |
time delay integration |
| TDM |
time‐division multiplexed |
| TDP |
technical data package |
| TDR |
time domain reflectometer |
| TDR |
time domain reflectometry |
| TDRS |
Tracking & Data Relay Satellite |
| TDRSS |
Tracking & Data Relay Satellite System |
| TDS |
Technology Demonstration Satellite |
| 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 |
| TED |
triple error detection |
| TEF |
thermal electric freezer |
| TEG |
turbine exhaust gases |
| 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 |
| TERRIERS |
Topographic Experiment using Radiative Recombinative Ionospheric EUV & Radio Sources |
| TES |
Technology Experiment Satellite |
| TES |
Transform Spectrometer |
| TES |
Test Execution Software |
| TES |
Thermal Emission Spectrometer (on Mars Observer) |
| TESS |
Transiting Exoplanet Survey Satellite |
| TEV |
Test Evaluation Software |
| TEX |
Transceiver Experiment |
| TF |
test fixture |
| TGA |
thermal gravimetric analysis |
| TGA |
thermo gravimetric analysis |
| TGA |
thermo gravimetry analysis |
| TGA |
Thioglycollate Agar |
| TGF |
Translation Grasping Fixture |
| TGO |
Trace Gas Orbiter |
| TH |
TransHab |
| THB |
temperature humidity bias |
| THC |
temperature & humidity control |
| THC |
translational hand controller |
| THEMIS |
Time History of Events & Macroscale Interactions during Substorms |
| THEMIS |
THermal EMission Imaging System (on Mars 2001 Odyssey) |
| THEOS |
Thai Earth Observation System |
| THOR |
Thermal Operations & Resources Officer |
| TID |
total ionizing dose |
| TID |
total ionising dose |
| TIDL |
total ionizing dose level |
| TIDS |
total ionizing dose sensitivity |
| TIFF |
tagged image file format |
| TIG |
tungsten inert gas |
| TIG |
tungsten inert gas (welding) |
| TIM |
Technical Interchange Meeting |
| TIM |
Technical Interface Meeting |
| TIMS |
Thermal Infrared Multispectral Scanner |
| TINYSCOPE |
Tactical Imaging Nanosat Yielding Small-Cost Operations for Persistent Earth-coverage |
| TIP |
Transit Improvement Program |
| TIROS |
Television InfraRed Observation Satellite |
| TIRS |
Thermal Infrared Sensor |
| TJ3Sat |
Thomas Jefferson Cube Satellite |
| TJREVERB |
Thomas Jefferson High School for Science & Technology Research & Education Vehicle for Evaluating Radio Broadcasts |
| TKS |
Transportnaya Korabl Snabsheniya |
| TKSC |
Tsukuba Space Center |
| TL |
Timeline |
| TL-UI |
Top Level User Interface |
| TLA |
Three Letter Acronym |
| TLC |
Taxi-to-LAN Converter |
| TLD |
Titan Launch Dispenser |
| TLI |
Trans Lunar Injection |
| TLM |
Telemetry |
| TLS |
Transport Layer Security |
| TLS |
Transfer Layer Security |
| TLV |
threshold limit value |
| TLYF |
Test Like You Fly |
| TM |
Telemetry |
| TM |
transport spacecraft, modified |
| TM&TC |
telemetry/telecommand |
| TM/TC |
telemetry/telecommand |
| TM/TC |
telemetry, telecommand |
| TMA |
thermomechanical analysis |
| TMAZ |
thermo mechanically affected zone |
| TMI |
TRMM Microwave Imager |
| TML |
total mass loss |
| TMM |
thermal mathematical model |
| TMSat |
Thai Microsatellite |
| 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 |
| TNOp |
non‐operating temperature |
| TO |
Thai Oscar |
| TOC |
Table of Content |
| TOF |
Time of Flight |
| TOL |
transport operations leader |
| TOMS |
Total Ozone Mapping Spectrometer |
| TOMS-EP |
Total Ozone Mapping Spectrometer - Earth Probe |
| TOPEX |
The Ocean Topography Experiment |
| TOPO |
Trajectory Operations Officer |
| TOPS |
Toward Other Planetary Systems |
| TOS |
Tiros Operational Satellite |
| TP |
technology plan |
| TP/PTP |
Tactical Planning / Payload Tactical Planning |
| TPA |
tissue plasminogen activator |
| TPDO |
transmit PDO |
| TPHTE |
two-phase heat transport equipment |
| TPL |
two-phase loop |
| TPM |
Technical Performance Measure |
| TPRO |
test procedure |
| TPS |
Thermal Protection System |
| TPS |
Technical Publishing Software ( Interleaf) |
| TPWG |
Tactical Planning Working Group |
| TQ |
qualification temperature |
| TQ&V |
Training, Qualification & Validation |
| TQP |
Training & Qualification Plan |
| TQVS |
Training Qualification & Validation System |
| TQVS |
Training, Qualification & Validation Subsystem |
| TQVS |
Training, Qualification & Validation System |
| TR |
tracking |
| TR |
test review |
| TRA |
technology readiness assessment |
| TRAAC |
Transit Research & Attitude Control |
| TRACE |
Transition Region & Coronal Explorer |
| TRACERS |
Tandem Reconnection & Cusp Electrodynamics Reconnaissance Satellites |
| TRB |
technology review board |
| TRB |
test 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 readiness review |
| TRR |
test results review |
| TRRJ |
thermal radiator rotary joint |
| TRS |
Tetrahedral Research Satellite |
| TRSL |
technology readiness status list |
| TRU |
Columbus Trainer USA |
| TRYAD |
Terrestrial Rays Analysis & Detection |
| TReK |
Telescience Resource Kit |
| TS |
technical requirement specification |
| TS |
technical specification |
| TS |
technical requirements specification |
| TSA |
Trypticase Soy Agar |
| TSB |
TTE Switch Board |
| TSC |
Telescience Support Center |
| TSCV |
Test Setup, Configuration & Verification software |
| TSDIS |
TRMM Science Data & Information System |
| TSH |
triaxial sensor heads |
| TSM |
temperature sensors monitor |
| TSMU |
Tail Service Mast Umbilical |
| TSO |
TTE Switching Unit |
| TSOP |
thin small outline package |
| TSP |
Time & Space Partitioning |
| TSPE |
test specification |
| TSS |
Targeted Search System |
| TSS |
Tethered Satellite System |
| TSS |
Time Synchronization Software |
| TSTO |
Two Stage To Orbit (also 2STO) |
| TSX |
Tri-Service Experiment |
| TT |
Trouble Ticket |
| TT&C |
Tracking Telemetry & Command (flight) |
| TTC |
telemetry, tracking & telecommand |
| TTCP |
Technology Transfer Control Protocol |
| TTCP |
Transport Technology Communication Protocol |
| TTE |
TT Ethernet |
| TTS |
Test & Training Satellite |
| TUBIN |
Technische Universität Infrared Nanosatellite |
| TUS |
trailing umbilical system |
| TV |
thermal vacuum |
| TV-Test |
thermal-vacuum test |
| TVAC |
thermal vacuum chamber |
| TVC |
thrust vector control |
| TVE |
Thrusted Vector Experiment |
| TVG |
Transfer Vehicles Group |
| TWINS |
Two Wide–angle Imaging Neutral–atom Spectrometers |
| TWMV |
three-way mix valve |
| TWPV |
Three Way Proportioning Valve |
| TWT |
travelling wave tube |
| TWTA |
travelling wave tube amplifier |
| TX |
transmit |
| TX_EN |
transmit enable |
| TechEdSat |
Technical & Educational Satellite |
| TechSat-21 |
Technology Satellites for the 21st Century |
| Techsat |
Technology Satellite |
| Temisat |
Telespazio Micro Satellite |
| Tg |
temperature of glass transition |
| Tg |
glassivation temperature |
| ThEL |
Thermal Equipment List |
| TiPS |
Tethers in Space Physics Satellite |
| Timation |
Time Navigation |
| Tj |
junction temperature |
| Tjmax |
absolute maximum rated junction temperature |
| Tmin |
minimum actuator torque required |
| ToD |
true of date |
| Top |
operating temperature |
| TopSat |
Tactical Optical Satellite |
| Topo |
Topographic Position Satellite |
| Transat |
Transit & SATRACK / Translation Satellite |
| Transtage |
Transfer Stage |
| TreK |
Telescience Remote Experiment Kit |
| TsUP |
Tsentr Upravleniya Poletom (also ZUP) |
| TsUP (???) |
????? ?????????? ??????? (Mission Control Center Moscow) |
| Tubsat |
Technische Universität Berlin Satellit |
| Tx |
transmitter |
| U.S. |
United States |
| U.S.C. |
United States Code |
| UA |
Utility Annex |
| UAB |
CBSE University of Alabama at Birmingham Center for Biological Sciences and |
| UAR |
Unit Acceptance Review |
| UARS |
Upper Atmosphere Research Satellite |
| UAS |
Unmanned Aircraft Systems |
| UAT |
unit acceptance test |
| UAV |
Unmanned Aerial Vehicle |
| UBM |
Unpressurized Berthing Mechanism |
| UBR |
Unspecified Bit Rate |
| UCCAS |
unpressurized cargo carrier attachment system |
| UCL |
User Control Language |
| UCLA |
University of California at Los Angeles |
| UCLSat |
University College London Satellite |
| UCRD |
Uplink Configuration Requirements Document |
| UCS |
ultrahigh frequency communication system |
| UD |
uni-directional |
| UDM |
Universal Docking Module |
| UDMH |
Unsymmetrical DiMethyl Hydrazine |
| UDP |
User Datagram Protocol |
| UF |
utilization flight |
| UFO |
Unidentified Flying Object |
| UFO |
Ultra High Frequency Follow On |
| UGC |
Uppsala General Catalog |
| UHB |
User Home Base |
| UHD |
User Help Desk |
| UHF |
Ultra High Frequency |
| UHF-FO |
Ultra High Frequency Follow On |
| UI |
unit interval |
| UIB |
Utilisation Integration Board |
| UIP |
Utility Interface Panel |
| UIT |
Ultraviolet Imaging Telescope (Astro package) |
| UK |
United Kingdom |
| UKS |
United Kingdom Subsatellite |
| UKST |
United Kingdom Schmidt Telescope |
| ULA |
United Launch Alliance |
| ULC |
unpressurized logistics carrier |
| ULCAS |
upper ULC attachment system |
| ULPA |
ultra-low-particle air filter |
| UM |
user manual |
| UMA |
umbilical mechanism assembly |
| UMDB |
User Mission Data Base |
| UMI |
Universal Measurement Identifier |
| UML |
universal modelling language |
| UML |
unified modelling language |
| UMM |
USOC Manager’s meeting |
| UMP |
Utilization Management Plan |
| UNECE |
United Nations Economic Commission for Europe |
| UNEX |
University Explorer |
| UNIFORM |
University International Formation Mission |
| UNITE |
Undergraduate Nano Ionospheric Temperature Explorer |
| UNOSAT |
Undergraduate Orbital Student Satellite |
| UNSCEAR |
United Nation’s Scientific Committee on the Effects of Atomic Radiation |
| UO |
UoSat Oscar |
| UOP |
Utility Outlet Panel |
| UP |
urine processor |
| UPMSat |
Universidad Politécnica de Madrid Satellite |
| UPOWG |
Utilization Payload Operations Working Group |
| UPSat |
UUniversity of Patras Satellite |
| UQPSK |
unbalanced quadrature phase shift keying |
| URC |
University Research Centers |
| 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 |
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 |
United States of America |
| USAF |
United States Air Force |
| USAID |
U.S. Agency for International Development |
| USDA |
United States Department of Agriculture |
| USE |
Upper Stage Engine |
| USERS |
Unmanned Space Experiment Recovery System |
| USFS |
U.S. Flywheel Systems, Inc. |
| USGCRP |
U.S. Global Change Research Program |
| USGS |
United States Geological Survey |
| USL |
United States Laboratory |
| USM |
Universalny Stikovochny Modul' |
| USMP |
United States Microgravity Payload |
| USNO |
United States Naval Observatory |
| USOC |
User Support & Operations Center |
| USOC |
User Support & Operations Centre |
| USOC |
User Support Operations Center |
| USOS |
U.S. On-orbit Segment (ISS) |
| USOS |
US Orbital Segment |
| USOS |
U.S. on-orbit segment |
| USOS |
United States Orbital Segment |
| USOS |
US On-orbit Segment |
| USPI |
U.S. Participating Investigators (Explorer) |
| USRA |
Universities Space Research Association |
| USS |
Unified Synoptic System |
| USS |
User Support Software |
| USSA |
US standard atmosphere |
| USUM |
United States Utilization Module |
| UT |
Universal Time (a.k.a. GMT, or Zulu Time cf UTC) |
| UTA |
utility transfer assembly |
| UTC |
Coordinated Universal Time (subtly different from UT) |
| UTC |
Universal Time Coordinated |
| UTC |
Coordinated Universal Time |
| 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 |
| UWE |
University of Würzburg's Experimental satellite |
| Unisat |
University Satellite |
| UoSat |
University of Surrey Satellite |
| V&V |
Verification & Validation |
| VA |
Vozvrachaemaya Apparat |
| VAB |
Vehicle Assembly Building (formerly Vertical Assembly Building) |
| VAC |
Vertical Assembly Center |
| VAFB |
Vandenberg Air Force Base |
| VAL |
value definition language |
| VAMPIR |
Video Management Room |
| VAO |
Virtual Astronomical Observatory |
| VAR |
Vehicle Assessment Review |
| VASIMAR |
variable specific impulse magnetoplasma rocket |
| VAX |
virtual architecture extendable |
| 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 |
| VCA |
Video Camera Assembly |
| VCB |
virtual channel buffer |
| VCB |
verification control board |
| VCC |
Virginia CubeSat Constellation |
| VCD |
vapor compression distillation |
| VCDU |
Virtual Channel Data Unit |
| VCE |
collector-emitter voltage |
| VCHP |
variable conductance heat pipe |
| VCI |
Virtual Channel Identifier |
| VCM |
volatile condensable material |
| VCMS |
video commanding & measuring system |
| VCP |
Vehicle Control Procedure |
| VCP |
Verification Control Plan |
| VCR |
Video Cassette Recorder |
| 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 |
| VDPU |
Video Distribution & Processing Unit |
| VDPU |
Video Data Processing Unit |
| VDS |
Viking Dynamic Simulator |
| VDS |
video distribution system |
| VDT |
visual damage threshold |
| VE |
virtual environment |
| VEEGA |
Venus-Earth-Earth Gravity Assist (Galileo flight path) |
| VEP |
Vehicle Evaluation Payload |
| VES |
vacuum exhaust system |
| VET |
Vehicle Engineering Team |
| VFT |
Vehicle Familiarization Tour |
| VGA |
Venus Gravity Assist |
| 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 Imager Radiometer Suite (NPOESS Preparatory Project instrument) |
| VIS |
Voice Intercom Subsystem |
| VITO |
Vehicle Integration Test Office |
| VITT |
Vehicle Integration Test Team |
| VKK |
Vozdushno Kosmicheskiy Korabl |
| VL |
Virtual Link |
| VLA |
Very Large Array |
| 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 |
| VMK-II |
Video MarK II |
| VML |
voltage mode logic |
| VMN |
Video Monitor |
| VMS |
Vertical Motion Simulator |
| VMU |
Video Management Unit |
| VN |
virtual network |
| VNREDSat |
Vietnam Natural Resources, Environment & Disaster monitoring Satellite |
| VOA |
volatile organic analyzer |
| VOIR |
Venus Orbiting Imaging Radar (superseded by VRM) |
| VP |
Virtual Path |
| VPF |
Vertical Processing Facility |
| VPI |
Virtual Path Identifier |
| VPN |
Virtual Private Network |
| VPU |
Virtual Processing Unit |
| VRA |
volatile removal assembly |
| VRM |
Venus Radar Mapper (now called Magellan) |
| VRPT |
verification report |
| VS |
vacuum system |
| VSAT |
Very Small Aperture Terminal |
| VSI |
Vehicle Systems Integration |
| VSM |
Vehicle System Manager |
| VSOP |
Very Large Baseline Interferometry Space Observatory Programme |
| VSR |
vacuum resource system |
| VSU |
video switch unit |
| VSUME |
VHF Spectrum Utilization Measurement Experiment |
| VSWR |
voltage standing wave ratio |
| VTC |
Vital Telemetry & Command Controller |
| VTC |
Vital Telemetry & Telecommand Controller |
| VTCB |
Vitrociset Belgium Sprl Transinne (Belgium) |
| 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 |
| VVO |
Visiting Vehicle Officer |
| VVT |
Visual Video Target |
| Vega |
Venera Gallei |
| Venµs |
Vegetation & Environment Monitoring New Micro-Satellite |
| ViDS |
Video Distribution & Conferencing Subsystem |
| VitaSat |
Volunteers in Technical Assistance Satellite |
| Vmp |
maximum power voltage |
| VoCS |
Voice Conferencing Subsystem |
| VoCS |
Voice Conferencing System |
| VoCS |
Voice Communication Subsystem |
| VoCS |
Voices Conferencing System |
| VoCS |
Voice Communication System |
| Voc |
open-circuit voltage |
| Vol |
Volume |
| Volcam |
Volcanic Ash Mission |
| Vop |
operational voltage |
| Vrms |
voltage root mean square |
| Vtest |
test voltage |
| W/S |
workstation |
| WAN |
Wide Area Network |
| WAP |
Wireless Access Point |
| WASP |
Weightless Analysis Sounding Probe |
| WAT |
wafer acceptance testing |
| WATT |
Web Application for Telemetry & Tracking |
| WBS |
work breakdown structure |
| WCA |
worst-case analysis |
| WCA |
worst case analysis |
| 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 |
| WFC |
Wide Field Camera |
| 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 |
| WHC |
Waste & Hygiene Compartment |
| WIF |
worksite interfaces |
| WINDS |
Wideband InterNetworking engineering test & Demonstration Satellite |
| 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 |
| WLP |
Weekly Look-Ahead Plan |
| WM |
waste management |
| WMAP |
Wilkinson Microwave Anisotropy Probe |
| WMK |
water microbiology kit |
| WMM |
world magnetic model |
| 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 |
| WP |
work package |
| WPA |
Water Pump Assembly |
| WPC |
Weekly Planning Conference |
| WPD |
Work Package Description |
| WPR |
Weekly Plan Review |
| WPS |
welding procedure specification |
| WPVR |
welding procedure verification report |
| WR |
Western Range (was WTR) |
| WRC |
World Radiation Centre in Davos |
| WRM |
water recovery & management |
| WSC |
White Sands Complex |
| WSF |
Wake Shield Facility |
| WSGS |
White Sands Ground Station |
| WSGT |
White Sands Ground Terminal |
| WSMR |
White Sands Missile Range |
| WSS |
workstation stanchions |
| WSTF |
White Sands Test Facility, (NASA, managed by JSC) |
| WSUS |
Windows Server Update Services |
| WTA |
Warning Time Analysis |
| WTR |
Western Test Range |
| WUPPE |
Wisconsin Ultraviolet PhotoPolarimter Experiment (Astro package) |
| WV |
work volume |
| WVR |
water vapour regained |
| WVTP |
welding verification test plan |
| WVTR |
welding verification test report |
| WWV |
Wate Water Vent |
| WWW |
World Wide Web |
| Wresat |
Weapons Research Establishment Satellite |
| X |
Experimental |
| XCF |
X-ray crystallography facility |
| XCMU |
External Command & Measurement unit |
| XCVR |
Transceiver |
| XDA |
eXploration Dexterous Arm |
| XDPI |
X-ray diffraction prime item |
| XI |
X-Factor Investigator |
| XLA |
eXploration Large Arm |
| XML |
Extensible Markup Language |
| XMM |
X-ray Multi-mirror Mission (Newton Observatory) |
| 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 |
| YES |
Young Engineer's Satellite |
| YSO |
Young Stellar Object |
| Z |
Zulu (see UT) |
| ZACube |
ZA (South Africa) Cubesat |
| ZCAM |
Zoom Camera |
| ZEM |
Z1 experiment module |
| ZMCU |
Zoom Modular Camera Unit |
| ZOE |
zone of exclusion |
| ZSR |
zero-g stowage rack |
| ZX |
Zhonxing |
| a/c |
crack aspect ratio (see 3.2.8) |
| avg |
average |
| bps |
bits per second |
| c.g. |
center of gravity |
| cFR |
core Flight Executive |
| cFS |
Core Flight Software |
| 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 |
| dev |
develop or development |
| e-st@r |
Educational SaTellite @ politecnico di Torino |
| e.g. |
exempli gratia (= 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 |
| ft |
ranging tone frequency |
| g |
gravity or gravitational unit |
| 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) |
| 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 |
| iSat |
Iodine Satellite |
| inc |
increment |
| kbps |
kilobits per second |
| 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 |
| mg |
milligram (hydrogen peroxide) |
| min |
minimum |
| multi-g |
more than 1-g acceleration situation |
| n. |
a. not applicable |
| n.a. |
not applicable |
| nT |
nano-Tesla |
| o.d. |
outside diameter |
| pH |
hydrogen-ion concentration |
| ppmv |
parts per million, volumetric |
| prelim |
preliminary |
| prox |
proximity |
| r.m.s. |
root-mean-square |
| r.m.s. |
root mean square |
| r.m.s. |
rootmeansquare |
| r.m.s. |
root‐mean‐square |
| rDNA |
Ribosomal DNA |
| ref |
reference |
| ref. |
Reference |
| spec |
specification |
| sq |
square (in unit Ω/sq) |
| verif |
verification |
| w.r.t. |
with respect to |
| wk |
week |
| wrt |
with respect to |
| xEMU |
Exploration Extravehicular Mobility Unit |
| °C |
degree Celsius |
| NaN |
not applicable |