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Home / Governmental & Military / Spaceflight

Governmental & Military >> Spaceflight Abbreviations

Look through 1063 acronyms and abbreviations related to Spaceflight:

DRSS — Data Relay Satellite System
RSSPO — Resident Space Shuttle Project Officer
OASCB — Orbiter Avionics Software Control Board
MLS — Microwave Landing System
RJC — Reaction Jet Control
AHRS — Attitude Heading Reference System
OFP — Operational Flight Program
TACSATCOM — Tactical Satellite Communications
CSA — Canadian Space Agency
UFO — Unidentified Flying Object
RJDF — Reaction Jet Driver Forward
RJDA — Reaction Jet Driver Aft
ESA — European Space Agency
RJD — Reaction Jet Driver
CCSDS — Consultative/Consultative Committee for Space Data Systems
RJ — Reaction Jet
RJ/EC — Reaction Jet/Engine Control
RJD — Reaction Jet Device
ADC — Aerospace Defense Command
ELV — Expendable Launch Vehicle
FD — Flight Director
COSPAR — Committee on Space Research (ICSU)
AFCS — Automatic Flight Control System
STS — Space Transportation System
DMSP — Defense Meteorological Satellite Program (U.S.)
LRR — Launch Readiness Review
SISEX — Shuttle Imaging Spectrometer Experiment
LES — Launch Escape Subsystem
BAC — Boeing Aerospace Company
SIR — Shuttle Imaging Radar
ASAP — Aerospace Safety Advisory Panel
VFR — Visual Flight Rule
LEO — Low Earth Orbit (satellite communications)
AVHRR — Advanced Very High Resolution Radiometer
PHP — Planetary Horizontal Platform
RPL — Rocket Propulsion Laboratory
EC — Engine Control
AL — Approach and Landing
SMS — Synchronous Meteorological Satellite
ISRO — Indian Space Research Organisation
OSO — Orbiting Solar Observatory
ATS — applications technology satellite
PLS — Personnel Launch System
DFCS — Digital Flight Control System
ATS — Advanced Technology Satellite
AMU — Astronaut Maneuvering Unit
NEMS — NASA Equipment Management System
ISF — Industrial Space Facility
SN — Space Network
ISS — International Space Station

A&P — Attitude and Pointing
BAE — British Aerospace Systems, LTD
OML — Orbiter Mold Line
BAT — Burst Alert Telescope
SMS — Shuttle Mission Simulator
FDO — Flight Dynamics Officer
AFO — Announced Flight Opportunity
JPL — Jet Propulsion Laboratory (California Institute of Technology) (NASA)
AFSCN — Air Force Satellite Control Network
ISO — Infrared Space Observatory
COMSP — Commercial Space
COP — Co-Orbiting Platform
ACE — Attitude Control Electronics
FC — Flight Control
MHI — Mitsubishi Heavy Industries, Ltd.
A&L — Approach and Landing
DAMA — Demand Assigned Multiple Access
NASDA — National Space Development Agency of Japan
ADL — Avionics Development Laboratory
ALS — Automatic Landing System
AOCS — Attitude and Orbit Control System
FCS — Flight Control System (Subsystem)
PIO — Pilot-Induced Oscillation
JSC — Johnson Space Center (Houston, TX)
AEDY — Aerospace Dynamics
ARA — Attitude Reference Assembly
FAR — Flight Acceptance Review
NESDIS — National Environmental Satellite, Data, and Information Service
EDO — Extended Duration Orbiter
STP — Space Test Program
FCAP — Flight Control Applications Program
ACPM — Attitude Control Propulsion Motor
CHSAJ — Chinese Society of Astronautics Journal
FCDB — Flight Control Data Bus
BFCS — Backup Flight Control System
BFS — Backup Flight System
NAS — National Airspace System
AFD — Aft Flight Deck
AFSAT — Air Force Satellite
COMSAT — Communications Satellite Corporation
LOR — Lunar Orbit Rendezvous
ABM — Apogee Boost Motor
AAFE — Advanced Applications Flight Equipment
ABE — air-based electronics
SLSA — Shuttle Logistics Support Aircraft
MSFC — Marshall Space Flight Center (Huntsville AL)
AFC — Automatic Flight Control
AFT — Atmospheric Flight Test
COBE — Cosmic Background Explorer Satellite (NASA)
OMDP — Orbiter Maintenance Down Period

SFACI — Software Flight Article Configuration Inspection
COFR — Certificate of Flight Readiness
OMEWG — Orbiter Maintenance Engineering Working Group
AG — Artificial Gravity
CSTC — Consolidated Space Test Center
BFC — Backup Flight Computer
VLS — Vertical Launch System
AF — Aft Fuselage
EOS — Earth Observation Satellite
FDL — Flight Director Loop
FID — Flight Implementation Directive
FCTB — Flight Crew Training Building
SAS — Small Astronomy Satellite
JP — Jet Propellant
PBV — Post-Boost Vehicle
FCOS — Flight Control Operational Software
DRS — Data Relay Satellite
AFDO — Aft Flight Deck Operator
CHJAA — Chinese Journal of Astronomy and Astrophysics
ACS — Attitude Control System
FDS — Flight Dynamics Software
ATG — Aerospace Test Group
ERBS — Earth Radiation Budget Satellite
MFF — MDM Flight Forward
RAE — Royal Aerospace Establishment
ATO — Abort To Orbit
ALEXIS — Array of Low Energy X-ray Imaging Sensors
ESTEC — European Space Research and Technology Centre
LOI — Lunar Orbit Insertion
SCF — Satellite Control Facility
FAO — FLIGHT ACTIVITIES OFFICER
MAN — Microwave Aerospace Navigation
NASP — National Aerospace Plane
NSTS — National Space Transportation System
ESMC — Eastern Space And Missile Center (formerly AFETR)
OMV — Orbital Maneuvering Vehicle
AFDE — Aft Flight Deck Equipment
AFSCF — Air Force Satellite Control Facility
LARC — Langley Research Center (NASA)
ERS — Environmental Research Satellite
DFRC — Dryden Flight Research Center
FCOS — Flight Computer Operating System (Orbiter)
CTS — Canadian Technology Satellite
AAIR — Advanced Atmospheric sounder and Imaging Radiometer
SV — Space Vehicle
AFRPL — Air Force Rocket Propulsion Laboratory (USA)
OMCF — Orbiter Maintenance & Checkout Facility
OMRF — Orbiter Maintenance and Refurbishment Facility
FDS — Flight Dynamics System
KSCAP — Kennedy Space Center Area Permit

SCA — Shuttle Carrier Aircraft
LES — Lincoln Experimental Satellite
LCC — Launch Commit Criteria
OFP — Operational Flight Profile
CFP — Conceptual Flight Profile
ACS — Aft Crew Station
ESAJ — European Space Agency Journal
STC — Satellite Test Center
MERSAT — Meteorology And Earth Observation Satellite
MFA — Manned Flight Awareness
DORIS — Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS)
CHJSS — Chinese Journal of Space Science
AFSTC — Air Force Space Technology Center
FCOD — Flight Crew Operations Directorate
LVS — Launch Vehicle Simulator
SRL — Space Radar Laboratory
LPLWS — Launch Pad Lightning Warning System
ERTS — Earth Resources Technology Satellite (now Landsat)
PDP — Postinsertion Deorbit Preparation
ADEOS — ADvanced Earth Observing Satellite (Japan)
FDAI — Flight Director Attitude Indicator
FD — Flight Day
SSP — Space Shuttle Program
PU — Propellant Utilization
AMSR — Advanced Microwave Scanning Radiometer
FCTS — Flight Crew Trainer Simulator
OMA — Orbiter Maintenance Area
ENVISAT — European Space Agency Environmental Satellite
FCEF — Flight Crew Equipment Facility (At KSC)
EADI — Electronic Attitude Director Indicator
IP — Instituteuctor Pilot
CLS — Contingency Landing Site(s)
RTF — Return To Flight
FED — Flight Events Demonstration
ALTR — Approach and Landing Test Requirement
CHSST — Chinese Space Science Technology
ALS — Advanced Launch System
AACS — Attitude and Antenna Control System
COFW — Certificate of Flight Worthiness
MOSPO — Mobile Satellite Photometric Observatory
AMEC — Aft Master Events Controller
JSAR — Journal of Space Astronomy Research
ALT — approach and landing test
FFM — free-flying module
MLG — Main Landing Gear
L&D — Landing And Deceleration
PRB — Parachute Refurbishment Building
LAGEOS — Laser Geodynamic Satellite
MLW — Maximum Landing Weight
FDRI — Flight Director Rate Indicator

ACPS — Attitude Control Propulsion System
SMPTRB — Shuttle Main Propulsion Test Requirement Board
AIL — Avionics Integration Laboratories
DOMSAT — Domestic Satellite
APCA — Aft Power Controller Assembly
ROSAT — Roentgen Satellite
THEMIS — Time History of Events and Macroscale Interactions during Sunstorms
FEWG — Flight Evaluation Working Group
FCSM — Flight Combustion Stability Monitor
TOS — Transfer Orbit Stage
BMS — Background Measurement Satellite
FCIM — Flight Control Interface Module
FEDP — Facility and Equipment Design Plan
MLV — Medium Launch Vehicle
FHF — First Horizontal Flight
ASTRA — Advanced Star Tracker
ERSIR — Earth Resources Shuttle Imaging Radar
LF — Launch Facility
ND — NASA Document
ST — Space Telescope
SDS — Satellite Data System
EUVE — Extreme Ultraviolet Explorer (NASA Satellite)
DFRF — Dryden Flight Research Facility
CORSA — Cosmic Radiation Satellite
ANS — Astronomical Netherlands Satellite
MMS — Multimission Modular Spacecraft
FCI — Flight Crew Integration
FCF — Functional Check Flight
SSV — Space Shuttle Vehicle
DSCS — U.S. Defense Satellite Communications System
ARS — Attitude Reference System
OSCRS — orbital spacecraft consumables resupply system
MSCTN — Meteorological Satellite Center Technical Note
STG — Space Task Group
FCT — Flight Crew Trainer
CRRES — Combined Release and Radiation Effects Satellite
AGCU — Attitude Gyro Coupling Unit
SESL — Space Environment Simulation Laboratory
JOP — Jupiter Orbiter Probe
SSF — Space Station Freedom
LC — Launch Complex
SI — Scientific Investigation
FHST — fixed-head star tracker
FCIP — Flight Cargo Implementation Plan
LCC — Launch Control Center (KSC)
LOWG — Landing Operations Working Group
MCT — Maximum Climb Thrust
KSC — John F. Kennedy Space Center
ERS — Earth Resources Satellite
PLS — Primary Landing Site

BAC — Booster Assembly Contractor
ELV — Earth Launch Vehicle
ESRO — European Space Research Organisation
MIPS — Merritt Island Press Site
SOI — Space Object Identification
FDOR — Flight Design Operations Review
SSMB — Space Shuttle Maintenance Baseline
EPOC — External Payload Operations Center
LSSL — Life Sciences Space Laboratory
ASRM — Advanced Solid Rocket Motor
AGAA — Attitude Gyro Accelerometer Assembly
ASTER — Advanced Spaceborne Thermal Emission And Reflection Radiometer (EOS)
FDS — Flight Design and Scheduling
LOB — Launch Operations Building
FDM — Flight Data Manager
SRM — Solid Rocket Motor
DFS — Dynamic Flight Simulator
ERS — Entry and Recovery Simulation
LACB — Landing Aids Control Building (SLF At KSC)
FC — Flight-Critical
CCRS — Canada Centre for Remote Sensing
VHAA — Very High Altitude Abort
FCS — Flight Crew System
LOA — Landing Operations Area
ST — Star Tracker
DF — Development Flight
ASCA — Advanced Satellite for Cosmology & Astrophysics
ASCP — Attitude Set Control Panel
SOF — Safety Of Flight
AVNIR — advanced visible and near-infrared radiometer
AFAL — Air Force Astronautics Laboratory
NSI — NASA Standard Initiator
PLA — Parachute Location Aid
LVO — Launch Vehicle Operations
LS — Landing Site
ACA — Attitude Controller Assembly
LDIU — Launch Data Interface Unit
CPF — Cost Per Flight
OMRF — Orbiter Modification And Refurbishment Facility
DMSS — Defense Meteorological Satellite System
JAS — Journal of Aerospace Science
DCP — D-alanyl carrier protein
ESDAC — European Space Data Center
JANSC — Journal of Astronautical Sciences
LMSS — Lunar Mapping and Survey System
MTPE — Mission To Planet Earth
SDHS — Satellite Data Handling System
AFSC — Air Force Space Command
MLGS — Microwave Landing Guidance System
FC — Flight Computer

RTLS — Return To Launch Site
CSOC — Consolidated Space Operations Center
SUMS — Shuttle Upper Atmosphere Mass Spectrometer
MAEP — Minimum Autoland Entry Point
SFT — Simulated Flight Test
MUA — Maximum Usable Altitude
DOI — Descent Orbit Insertion
SAREX — Shuttle Amateur Radio Experiment
IUS — Inertial UPper Stage (was Interim UPper Stage)
MISSP — Missiles Spacecraft
FES — Flight Element Set
SLV — Space Launch Vehicle
CAPS — Common Attitude Pointing System
DSIS — Defense Satellite Information System
FCHL — Flight Control Hydraulics Laboratory
FDS — Flight Design System
RR — Rendezvous Radar
BMAG — Body-Mounted Attitude Gyro
ASSESS — Airborne Science Shuttle Experiments System Simulation
LFV — Lunar Flying Vehicle
SFP — Summary Flight Plan
FCP — Flight Correction Proposal
SSE — Space Support Equipment
PVT — Preflight Verification Test
FCI — Flight Control Indicator
SPACE — Spacecraft Prelaunch Automatic Checkout Equipment
FET — Flight Elapsed Time
ASRM — Abort Solid Rocket Motor
ACDS — Attitude Control & Determination System
MLRS — Multiple Launch Rocket System (US)
LAIU — Launch Abort Interface Unit
KATS — Ksc Avionics Test Set
IUE — International Ultraviolet Explorer
MFR — Maximum Flight Rate
NPD — NASA Policy Directive
AMLS — Advanced Manned Launch System
MFT — Mean Flight Time
LME — Launch Monitor Equipment
MSVP — Master Shuttle Verification Plan
PSS — Propellant Supply Subsystem
LAGS — Launch Abort Guide Simulation
MMU — Manned Maneuvering Unit
NASM — National Air and Space Museum
SS — Space Shuttle
KAPL — KSC Approved Parts List
LM — Lunar Module
SPAS — Shuttle Pallet Satellite(German)
FE — Flight Experiment
CLS — Collecte Localisation Satellites
MEM — Meteoroid Exposure Module

OSS — Office of Space Sciences
FCE — Flight Control Equipment
ASE — Advanced Space Engine
FCF — First Captive Flight
FCR — Flight Control Room
FCE — Flight Crew Equipment
ELS — Eastern Launch Site
MPS — Materials Processing in Space
SPVW — Spaceview
CLSO — Contingency Landing Support Officer
RAI — Radar Altimeter Indicator
POE — Pilot Operational Equipment
NFS — NASA FAR Supplement
MFTAD — Master Flight Test Assignment Document (JSC)
SNAP — Space Nuclear Auxiliary Power
SML — Spacecraft Markup Language
PFC — Performance Flight Certification
DC — Delta Clipper
FFC — Final Flight Certification
MOF — Manned Orbital Flight
DWS — Disaster Warning Satellite
MS/MS — Material Science and Manufacturing in Space
EOAST — Earth-Oriented Applications and Space Technology
OME — Orbital Maneuvering Engine
ASCS — Attitude Stabilization and Control System
NGT — NASA Ground Terminal
ASI — Augmented Spark Igniter
FDS — flight dynamics simulator
NASAL — NASA Circular Letter
EEU — Extravehicular Excursion Unit
BESS — Biomedical Experiment Support Satellite
NSP — NASA Support Plan
EOI — Earth Orbit Insertion
EEM — Earth Entry Module
COMAS — Combined Orbital Maneuvering and Abort System
AVCS — Attitude and Velocity Control System
COSTAR — Corrective Optics Space Telescope Axial Replacement
OSCAR — Orbiting Satellite Carrying Amateur Radio
POD — Precision Orbit Determination
LEV — Lunar Excursion Vehicle
STC — Space Technology Center
DSS — Deep Space Station
SSO — Space Shuttle Orbiter
ALOS — Advanced Land Observing Satellite
ALSA — astronaut life support assembly
PUCS — Propellant Utilization Control System
SOCC — Satellite Operations Control Center
NASAR — NASA Reference Publication
MAGSAT — Magnetometer Satellite
EUTELSAT — European Telecommunications Satellite Organization

NOSS — National Oceanic Satellite System
MFPE — Mission from Planet Earth
ADS — Attitude Display System
SSD — Spacecraft Software Divisionsion
LLP — Launch and Landing Project
LPS — Launch Processing System
POGO — Polar Orbiting Geophysical Observatory
CAS — Cooperative Application Satellite
REM — Rocket Engine Module
PFRT — Preliminary Flight Rating Test
PFS — Primary Flight System
FDA — Flight Deck Assembly (FDF)
NCOS — National Commission on Space
EES — Ejection Escape Suit
PFCS — Primary Flight Control System
EGNOS — European Geostationary Navigation Overlay Service
IPACS — integrated power and attitude control system
BESS — Biomedical Experiment Scientific Satellite
SBKEWS — space-based kinetic-energy weapon system
PHASP — Physics and Astrophysics from Spacelab
NASAS — NASA Special Publication
SSME — Space Shuttle Main Engine
RALT — Radar Altimeter
SMG — Space Flight Meteorology Group
RM — Rendezvous Maneuver
ECSS — European Cooperation for Space Standardization
LCC — Launch Control Complex
ISCCP — International Satellite Cloud Climatology Project
LRB — Liquid Rocket Booster
KOM — KSC Organizational Manual
PACS — Pointing and Attitude Control System
FCT — flight control team
LEM — Lunar Excursion Module
SAEF — Spacecraft Assembly and Encapsulation Facility
NASAC — NASA Conference Publication
POEM — Polar-Orbiting Earth Mission
FAF — First Aerodynamic Flight
NSI — NASA Science Internet
PALS — precision approach and landing system
NESS — National Environmental Satellite Service (NOAA)
OPF — Orbiter Processing Facility
ATCA — attitude translation control assembly
PSCL — Propellant Systems Cleaning Laboratory
PF — Powered Flight
LCCD — Launch Commit Criteria Document
MODS — Military Orbital Development System
FDF — Flight Data File
FACT — Flight Acceptance Composite Test
MEO — Mid Earth Orbit
EORSAT — Electronic Ocean Reconstruction Satellite

SSTO — Single-Stage-to-Orbit
MSX — Midcourse Space Experiment
SPRMD — Space Power Resources and Manufacturing Development
CDSF — Commercially Developed Space Facility
LETF — Launch Equipment Test Facility
STICA — Space Technology Industrial and Commercial Applications
MSSTM — military space system technology model
LSTE — Launch Site Transportation Equipment
RP — Rocket Propellant
FDSC — Flight Dynamics Situation Complex
OAS — Orbiter Aeroflight Simulator
AMOOS — Advanced Maneuvering Orbit-to-Orbit Shuttle
ATAL — Alternate Transoceanic Abort Landing
MCA — Maximum Crossing Altitude
MASDC — Military Aircraft Storage & Disposition Center
POP — Prelaunch Operations Plan
PLSL — Propellants and Life Support Laboratory
KPD — KSC Program Directive
AW&ST — Aviation Week & Space Technology
SSBUV — shuttle solar backscatter ultraviolet (radiometer)
CTS — communications technology satellite
LPD — Landing Point Designator
FIE — Flight Instituteumentation Engineer
SRSS — Shuttle Range Safety System
ESOC — European Space Operations Center
ORS — Orbital Refueling System
EES — Emergency Ejection Suit
SBNPB — Space-Based Neutral Particle Beam
POGS — polar-orbiting geomagnetic survey
UVF — Unmanned Vertical Flight
ITMG — Integrated Thermal/Micrometeoroid Garment
AEGRS — ASEAN Experts Group on Remote Sensing
FIRSSE — Far Infrared Sky Survey Experiment
ROSA — Romanian Space Agency
SPART — Space Research and Technology
RSRM — Redesigned Solid Rocket Motor
FCR — Flight Configuration Review
SPMAR — Space Markets
SAL — Shuttle Avionics Laboratory
LUT — Launch Umbilical Tower
OAS — Orbiter Atmospheric Simulator
SIMS — Shuttle Inventory Management System
SEOS — Synchronous Earth Observation Satellite
SEWS — Satellite Early Warning System
ALSE — Astronaut Life Support Equipment
ALFA — Air-Lubricated Free Attitude
LOD — Launch Operations Directorate
TTA — Time to Apogee
SSM/I — Special Sensor Microwave/Imager
OAS — Orbiter Avionics System

SDT — Shuttle Data Tape
SPARTAN — Shuttle Pointed Autonomous Research Tool for Astronomy
LON — Launch on Need
DADS — Dual Air Density Satellite
LDS — Landing, Deservicing and Safing
SPP — Solar Physics Payload
FEID — Flight Equipment Interface Device
SSP — Space Station Program
STA — Shuttle Training Aircraft
OAFTO — Orbiter Atmospheric Flight Test Office
LSR — Launch Site Recovery
SAIL — Shuttle Avionics Integration Laboratory (JSC)
LRF — Liquid Rocket Fuel
MLC — Mobile Launcher Computer
OAA — Orbiter Access Arm
RV — Reentry Vehicle
SPRBU — Space Research Bulgaria
PAD — Propellant Acquisition Device
RALPH — Reduction and Acquisition of Lunar Pulse Heights
MACS — Modular Attitude Control System
SSA — Shuttle Simulation Aircraft
LLPO — Launch and Landing Project Office
CSCSAT — Commercial Synchronous Communication Satellite
CRAF — Comet Rendezvous/Asteroid Fly-by
SO/SI — space operations and scientific investigation
EVM — Earth-viewing module
KSSS — KSC Station Set Specification
MSOB — Manned Spacecraft Operations Building
ARCOMSAT — Arab League communications satellite
OFI — Operational Flight Instituteumentation
CES — Conical Earth Sensor
LSAH — Launch Site Accommodations Handbook
FDSC — Flight Dynamics Simulation Complex
SDS — Space Defense System
SRB — Solid Rocket Boosters
LCS — Launch Control System
TDRSS — Tracking and Data Relay Satellite System
MVF — Manned Vertical Flight
QRSL — quick-reaction space laboratory
MBAC — Marshall Booster Assembly Contractor
IRANSAT — Iranian Government Communications Satellite
MVM — Mariner Venus/Mercury
JPOC — JSC Payload Operations Center
LSID — Launch Sequence and Interlock Document
LDS — Launch Detection Satellite
OFK — OPtical Flight Kit
JANNAF — Joint Army Navy NASA Air Force
LBTP — Launch Base Test Plan
MPVA — Main Propellant Valve Actuator
WISE — Wide-Field Infrared Survey Explorer

RATO — Rocket-Assisted TakeOff
OPS — Orbiter Project Schedules
PFCF — Payload Flight Control Facility
CES — Crew Escape System
MSFN — Manned Space Flight Network
EUROCOMSAT — European consortium communications satellite
PMD — PROPELLANT MANAGEMENT DEVICE
FDRD — Flight Definition and Requirements Directive
JSCM — JSC Manual
SPP — Simulation Planning Panel
OSE — Orbital Support Equipment
NASO — North American Space Operations
SAD — Spacecraft Attitude Display
OTB — Orbiting Tanker Base
RAPCON — radar approach and control
KN — KSC Notice
PVO — Pioneer Venus Orbiter
RORSAT — Radar Ocean Reconnaissance Satellite
PFL — Propulsion Field Laboratory
MEP — Main Engine Propellant
AVISO — Archiving, Validation and Interpretation of Satellites Oceanographic data
OTV — Orbital Transfer Vehicle
NSD — NASA standard detonator
PATH — Postflight Attitude and Trajectory History
SPOC — Shuttle Portable on-Board Computer
SBL — Space-Based Laser
PDA — Propellant Drain Area
SSTS — Space Surveillance and Tracking System
LDEC — Lunar Docking Events Controller
SRMS — Shuttle Remote Manipulator System
SLCSAT — submarine laser communications satellite
JERS — Japanese Earth Resources Satellite (JPOP)
KBAC — Kennedy Booster Assembly Contractor
PRM — Posigrade Rocket Motor
KPRD — KSC Program Requirements Document
ESABU — European Space Agency Bulletin
SMIRR — Shuttle Multispectral Infrared Radiometer
LCROSS — Lunar CRater Observation and Sensing Satellite
NHB — NASA Handbook
ACTS — Advanced Communication Technology Satellite
SPADOC — Space Defense Operations Center
AACS — Attitude & Articulation Control Subsystem
SLS — Secondary Landing Site
SMB — Space Meteorology Branch
VLF — Vertical Launch Facility
LLO — Low Lunar Orbit
PSM — Propellant Storage Module
EHOT — external hydrogen/oxygen tank
L&L — Launch And Landing
ASAT — Anti-Satellite (weapon or system)

SLC — Space Launch Complex
OV — Orbital Vehicle
USA — United Space Alliance
ADFRF — Ames-Dryden Flight Research Facility
MSFP — Manned Space Flight Program
LPIF — Launch Package Integration Facility
APM — Attached Pressurized Module (a.k.a. Columbus)
LSSRC — Life Sciences Shuttle Research Centrifuge
SPS — Satellite Power System
ITU — Infrared Telescope Unit
VFT — Verification Flight Test
MILA — Merritt Island Launch Area
OTOS — Orbit-to-Orbit Stage
NASCOM — NASA Communications System
FAT — Flight Attitude Table
LA — Launch Azimuth
LS — Launch Sequence
MSF — Manned Space Flight
SST — Spacecraft Systems Test
STP — Space Technology Payload
MLF — MDM Launch Forward
NSO — NASA Support Operation
LRV — Lunar Roving Vehicle
ORT — Orbit Readiness Test
PLS — Propellant Loading System
LSA — launch services agreement
PCIL — Pilot-Controlled Instituteument Landing
MT — Mission Trajectory
DODSTP — Department of Defense Standard Satellite
OAST — Office of Aeronautics & Space Technology
LRV — launch readiness verification
RDS — Rocketdyne Digital Simulator
LOC — Launch Operations Complex
OTD — Orbiter Test Director
ESIS — ESA Space Information Systems
OAA — Orbiter Alternate Airfield
WCSAR — Wisconsin Center for Space Automation and Robotics
CIRCE — Confusion-limited Infrared Cosmology Explorer
SMCC — Shuttle Mission Control Center
SFCS — Survival Flight Control System
PSF — Propellant Servicing Facility
SIP — strain isolation pad
NAVSAT — Navigation Satellite
OPI — Orbiter Payload Interrogator
OST — Orbiter SuPport Trolley
SSMEC — Space Shuttle Main Engine Controller
TIROS — Television InfraRed Observation Satellite (POES)
MLP — mobile launch platform
TMR — TOPEX Microwave Radiometer (EOS)
PVT — Pyrotechnic Verification Test

EORC — Earth Observation Research Center
SPIF — Shuttle Payload Integration Facility
UARS — Upper Atmosphere Research Satellite (NASA)
CEA — Center for EUV Astrophysics
SPICE — Spacelab Payload Integration and Coordination in Europe
NCC — NASA Communications Control
LSB — Launch Support Building
SSPO — Space Shuttle Program Office
ELDO — European Launcher Development Organisation
SFS — Shuttle Flight Status
OF — Orbital Flight
IRR — Integral Rocket Ramjet
SOCAR — Shuttle Operational Capability Assessment Report
ALDP — Advanced Launch Development Program
EUSC — European Union Satellite Centre
NCC — NASA class code
SPIDPO — Shuttle Payload Integration and Development Program Office
UMVF — Unmanned Vertical Flight
SMVP — Shuttle Master Verification Plan
STF — Satellite Test Facility
TALAR — tactical approach and landing radar
RHS — Rocketdyne Hybrid Simulator
SCF — Spacecraft Control Facility
SOP — Spacelab OPportunity Payload
SMD — Spacelab Mission Development
SAMTEC — Space and Missile Test Center
ATDRS — Advanced Tracking and Data Relay Satellite
OSS — Orbiting Space Station
OCH — Orbiter Common Hardware
MVI — Microgravity Vestibular Investigation
COROT — Convection Rotation and Planetary Transits
PTV — Pathfinder Test Vehicle
SPPIL — Shuttle Preferred Pyrotechnic Items List
ORU — Orbital Replacement Unit
OPM — Outer Planet Mission
PVA — Propellant Valve Actuator
TIFS — Total In-Flight Simulator
IVSI — Institutentaneous Vertical Speed Indicator
SOT — Solar Optical Telescope
AFSSD — Air Force Space Systems Divisionsion
ESTP — European Space Technology Platform
TTC — Telemetry Telecommand and Control
LPD — Launch Procedure Document
SPIMS — Shuttle Program Information Management System
NPN — NASA Part Number
SODB — Shuttle Operational Data Book
CFF — Columbus Free Flyer
ACP — Astronaut Control Panel
NASTRAN — NASA Structural Analysis Program
VFI — Verification Flight Instituteumentation

SOPC — Shuttle Operations and Planning Center
EVA — Extravehicular Activity
LM&SS — Lunar Mapping and Scientific Survey
PU — Propellant Unit
OFP — Orbiter Flight Program
CGRO — Compton Gamma-Ray Observatory
EFP — ESA Furnished Property
TTP — Time to Perigee
SV — Shuttle Vehicle
DSCS — Defense Support Communication Satellite
ESPC — European Space Power Conference
SDLV — Shuttle-Derived Launch Vehicle
SPA — Space Processing Application
OFT — Orbital Flight Test
NDGPS — Nationwide Differential Global Positioning System
OPSS — Orbital Propellant Storage Subsystem
STAR — Shuttle Turnaround Analysis Report
LMSS — Land Mobile Satellite System
OSTA — Office of Space and Terrestrial Applications (US NASA; now OAST)
STP — Shuttle Technology Panel
SPIRE — Spectral Infrared Rocket Experiment
LSAP — Launch Sequence Applications Program
SVA&C — Shuttle Vehicle Assembly And Checkout
SPAD — Shuttle Payload Accommodation Document
SCDR — Shuttle Critical Design Review
OTC — Orbiter Test Conductor
STC — Spacecraft Test Conductor
NS — Nuclear Shuttle
RIAPS — Remote Infrared Atmospheric Profiling System
SIS — Shuttle Interface Simulator
FACC — Ford Aerospace and Communications Corporationration
SOARS — Shuttle Operation Automated Reporting System
OFTDS — Orbital Flight Test Data System
SRT — Shuttle Requirements Traceability
DVB-S — Digital Video Broadcasting-Satellite
NEEDS — NASA end-to-end data system
SERB — Shuttle Engineering Review Board
OSTDS — Office of Space Tracking and Data Systems (NASA)
MEV — Mars Excursion Vehicle
SEPAP — Shuttle Electrical Power Analysis Program
OOS — orbit-to-orbit stage
LEM — Launch Escape Monitor
LC — Launch Countdown
SB — Space Base
PAMELA — Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics
LASS — large-amplitude space simulator
TDRS — Tracking and Data Relay Satellites
OMR — Orbiter Management Review
MEM — Mars Excursion Module
MARS — Manned Astronautical Research Station

SEMS — Space Environment Monitor System
LSOC — Lockheed Space Operations Company
SIE — Shuttle Interface Equipment
ASCO — Arab Satellite Communications Organization
LES — Launch Equipment Shop
ERS — European Remote Sensing Satellite System
SDP — Shuttle Data Processor
MAPS — Measurement of Air Pollution from Satellites
VTS — Vandenberg Tracking Station (AFSCN)
ASPOC — Active Spacecraft Potential Control
STS — Shuttle Test Station
SRD — Shuttle Requirements Document
OPIS — Orbiter Prime Item Specification
MLV — Medium Lift Vehicle
SSMECA — Space Shuttle Main Engine Controller Assembly
MRSR — Mars Rover Sample Return
SFSS — Satellite Field Service Station
SSCSP — Space Shuttle Crew Safety Panel
LWD — Launch Window Display
SDM — Shuttle Data Management
JAXA — Japan Aerospace Exploration System
SBKKV — Space-Based Kinetic Kill Vehicle
WSMCR — Western Space and Missile Center Regulation
SABIR — space-based interceptor
EDRS — European Data Relay Satellite
OPO — Orbiter Project Office
MPS — Material Processing Satellite
SIT — Shuttle Interface Test
SSPP — Space Station Program Participant
SNPO — Space Nuclear Propulsion Office
OARE — Orbital Acceleration Research Experiment
SAB — Spacecraft Assembly Building
OOS — orbit-to-orbit Shuttle
SSEOS — Space Shuttle Engineering and Operations Support
ODF — Orbit Determination Facility
ISSRT — Israel Space Research and Technology Information Bulletin
PQGS — Propellant Quantity Gauging System
OFS — Orbiter Functional Simulator
EUMETSAT — European Meterological Satellite
SID — Shuttle Integration Device
SPF — Spacelab Processing Facility
SDR — Spacelab DisPosition Record (ESA)
LMSC — Lockheed Missiles and Space Corporationration
OIA — Orbiter Interface Adapter
CYSF — Cape York Space Facility
SPIRIT — Spatial Infrared Telescope
DSSC — Deep Space Station Complex
STACC — Standard Telemetry And Communications Component
OEAS — Orbital Emergency Arresting System
NPSS — NASA Packet Switching System

ONBT — Orbiter Neutral Buoyancy Trainer
OGMT — Orbiter Greenwich Mean Time
NTS — Navigation Technology Satellite
SRU — Space Replaceable Unit
SMVRD — Shuttle Master Verification Requirements Document
ISBRV — International Space Business Review
WSMC — Western Space and Missile Center
OPPAR — orbiter project parts authorization request
LCA — Launch Control Amplifier
SVAC — Shuttle Vehicle Assembly And Checkout (Facility)
QTV — Qualification Test Vehicle
ORD — Orbital Requirements Document
SSPM — Space Shuttle Program Manager
PRTLS — Powered Return to Launch Site
PFTA — Payload Flight Test Article
OMET — Orbiter Mission Elapsed Time
LCE — Launch Complex Equipment
NERVA — Nuclear Engine for Rocket Vehicle Application
SSRMS — Space Station Remote Manipulator System
SFO — Space Flight Operations
OES — Orbiter Emergency Site
OSTO — Office of Space Transportation Operations
SECS — Shuttle Events Control Subsystem
SCAN — Shuttle Connector Analysis Network
NUSTAR — Nuclear Spectroscopic Telescope Array
SAMS — Space Acceleration Measurement System
OCDR — Orbiter Critical Design Review
SSS — Spinning Sun Sensor
OIC — Orbital Integrated Checkout
SEF — Space Environmental Facility
SRR — Shuttle Requirements Review
OSDH — Orbiter System Definition Handbook
SLF — Shuttle Landing Facility (OLF)
KMI — KSC Management Instituteuction
SO — Space Operations
SSPD — Shuttle System Payload Data
SOR — Stable Orbit Rendezvous
PVA — Preburner Valve Actuator
RREU — Rendezvous Radar Electronics Unit
NSTL — National Space Technology Laboratories (NASA)
SMES — Shuttle Mission Engineering Simulator
OPLF — Orbiter Processing and Landing Facility
OAMS — orbital attitude and maneuvering system
STADAN — Satellite Tracking And Data Acquisition Network
SGC — Stabilized Ground Cloud
LSS — Large Space Structure
OMS — orbital maneuvering system
OOS — on-orbit station
OSTP — Orbiting System Test Plan
SBI — Space-Based Interceptor

SP — Solid Propellant
PSIG — Propulsion Systems Integration Group
SANS — Stellar Autonomous Navigation System
SSTC — Space Shuttle Test Conductor
SSPD — Shuttle System Payload Definition (Study)
OLSP — Orbiter Logistics Support Plan
SSPF — Space Station Processing Facility
SPADS — Shuttle Problem Analysis Data System
SPICE — Survey Probe Infrared Celestial Experiment
SFOF — Space Flight Operations Facility
SARP — Shuttle Astronaut Recruitment Program
OAO — Orbital Astronomical Observatory
LOA — Launch Operations Area
SEPAR — Shuttle Electrical Power Analysis Report
PUV — Propellant Utilization Valve
SIMS — Shuttle Imaging Microwave System
RREA — Rendezvous Radar Electronics Assembly
SOCH — Spacelab Orbiter Common Hardware
OIVS — Orbiter Interface Verification Set
SBS — Scientific Business Satellite
PSDE — Payload and Spacecraft Development and Experimentation
SSPE — SPACE STATION PROGRAM ELEMENT
OI — Orbiter Instituteumentation
OME — Orbiter Main Engine
SPADCCS — Space Defense Command and Control System
SBDEWSIM — space-based, directed-energy weapon simulation
SSIBD — Shuttle System Interface Block Diagram
SPPOL — Space Policy
SDD — Shuttle Design Directive
OCTW — Optical Communications Through The Shuttle Window
LOC — launch operations center
EROS — Earth Resources Observations System
NPS — NASA Planning Studies
SSPDA — Space Shuttle Payload Data Activity
SPN — Shuttle Project Notice (KSC)
OSC — Orbital Sciences Corporationration
NTD — NASA test director
SAMP — Shuttle Automated Mass Properties
CIRRIS — Cryogenic InfraRed Radiance Instituteument for Shuttle
SVB — Space Vehicle Booster
SSPGSE — Space Shuttle Program Ground Support Equipment
NTSO — NASA Test Support Office
OSTS — Office of Space Transportation Systems
SPARS — Space Precision Attitude Reference System
SSC — Shuttle System Contractor
RCS — Reentry Control System
SFOM — Shuttle Flight Operations Manual
SIMAS — Shuttle Information Management Accountability System
SPADE — Space Acquisition Defense Experiment
PMC — Permanently Manned Capability (of Space Station)

SNSO — Space Nuclear SYstems Office
OCF — Orbiter Computational Facilities
SRD — Shuttle Requirements Definition
LCE — Launch Complex Engineer
SSSS — Space Shuttle System Specification
STDN — Spacecraft Tracking and Data Network
SSPPSG — Space Shuttle Payload Planning Steering Group
STL — Space Technology Laboratories
SDCOC — Space Defense Command Operations Center
SSA — Space Suit Assembly
SRAG — Space Radiation Analysis Group
LA — Launch Area
NMI — NASA Management Instituteuction
SPAN — Spacecraft Analysis
SMSCC — Shuttle Mission Simulator Computer Complex
SAD — Shuttle Authorized Document
UNOOSA — United Nations Office for Outer Space Affairs
SPC — Shuttle Processing Contract
SSITP — Shuttle System Integrated Test Plan
SPAH — Spacelab Payload Accommodations Handbook
SSTF — Space Station Training Facility
RAI — Roll Attitude Indicator
SSSC — Space Station Support Center
TGS — Telemetry Ground Station
OIS — Orbiter Instituteumentation Systems
SATAF — Shuttle Activation Task Force
SVAB — Shuttle Vehicle Assembly Building
SSCHS — Space Shuttle Cargo Handling System
SSPRO — Space Shuttle Program Resident Office
SS — Space Segment
PLPS — Propellant Loading and Pressurization System
SM — Shuttle Management (KSC)
SEPS — Solar Electric Propulsion System
SSWP — Space Station Work Package
PSV — Planetary Space Vehicle
LS — Launch Site
SBDEW — space-based, directed-energy weapon
OIT — orbiter integration test
OLOW — orbiter lift-off weight
NSIF — Near-Space Instituteumentation Facility
SOIS — Spacelab/orbiter interface simulator
KOI — KSC Operation Instituteuction
SDSS — Space Divisionsion Shuttle Simulator
STATS — star tracker alignment test set
OOSDP — on-orbit station distribution panel
MILCOMSAT — Military Communications Satellite
SBKEW — space-based kinetic-energy weapon
SSIS — Space Station Information System
SPADATS — Space Defense Acquisition and Tracking System
SPS — Shuttle Procedures Simulator

PTCS — Propellant Tanking Computer System
SSLV — Standard Small Launch Vehicle
IRBS — Intermediate-Range Booster System
PUGS — propellant utilization and gauging system
SOAR — Shuttle Orbital Applications and Requirements
SSCL — Shuttle System Commonality List
SATS — Small Applications Technology Satellite
MO — Manned Orbiter
SL — Space Launch
SBKKVWS — space-based kinetic kill vehicle weapon system
SEM — space environment monitoring
SPII — Shuttle Program Implementation Instituteuction
SCS — Spacecraft Control System
SBSS — Space-Based Surveillance System
SESC — Shuttle Events Sequential Control
STBE — Space Transportation Booster Engine
SSDS — Space Station Data System
SSPD — Shuttle System Payload Description
NRALT — NASA radar altimeter
SBLIP — Space-Based Laser Intercept Program
SIRTF — Shuttle InfraRed Telescope Facility
TEA — Torque Equilibrium Attitude
SSPS — Solar Satellite Power Station
NOES — National Operational Environmental Satellite Serv.
SODS — Skylab Orbit-Deorbit System
SSPDS — Space Shuttle Payload Data Study
SSIP — Shuttle Student Involvement Project
ST — Spacelab Technology
SSST — Space Station System Trainer
SSFGSS — Space Shuttle Flight and Ground System Specification
STAG — Shuttle Turnaround AnalYsis Group
OI — Orbiter Insertion
SERS — Shuttle Equipment Record System
SSFP — Space Station Freedom Program
SDCCC — Space Defense Command Communication Center
SAM — Shuttle Activation Monitor
SSCC — Space Station Control Center
SSAT — SPace Shuttle Access Tower (now FSS)
SSFL — Santa Susana Field Laboratory
LOD — Launch Operations Divisionsion
SIT — Shuttle Integrated Test
STADAN — Space Tracking and Data Acquisition Network
SEADS — Shuttle Entry Air Data Sensor
NPC — NASA publication control
SSUS — Spinning Solid Upper Stage
SDE — Space Divisionsion Evaluator
SODS — Shuttle Operational Data System
SIS — Shuttle Information System
SST — Space Surveillance and Tracking
SBS — Skylab Boost System

SOMS — Shuttle Orbiter Medical System
STME — Space Transportation Main Engine
SSPS — Space Shuttle Program Schedule
SVB — Shuttle Vehicle Booster
SES — Shuttle engineering simulator
SSUSP — Spinning Solid Upper Stage Project
SRF — Shuttle Refurbishment Facility
SVO — Space Vehicle Operations (KSC Dir.)
NRDS — Nuclear Rocket Development Station
SSOP — Space Systems Operating Procedure(s)
SUMC — Space Ultrareliable Modular Computer
SS — Shuttle System
SMS — Solar Maximum Satellite
SSE — Space shuttle engine
SSCB — Space Station Control Board
SS&A — Space Systems And Applications
SAM — Shuttle Attachment ManiPulator
SD — Space Divisionsion
SRBAB — SRB Assembly Building
SSP — Subsolar Point
SRBDF — SRB Disassembly Facility
SSPC — Spacelab Stored Program Command
ULO — Unmanned Launch Operations
VOIR — Venus Orbiting Imaging Radar
TT&C — Telemetry, Tracking and Communications
TT&C — Tracking, Telemetry, and Command
TOW — Tank and Orbiter Weight
TGS — Telemetry Ground System
UNSC — United Nations Space Command
TFI — Time from Ignition
TR/SBS — Teleoperator Retrieval/Skylab Boost System
UPS — Upright Perigee Stage
SWAS — Submillimeter Wave Astronomy Satellite
USASDG — United States Army Space Defense Group
TDS — Technology Demonstration Satellite
TKSC — Tsukuba Space Center
VRM — Venus Radar Mapper
TMG — Thermal Meteoroid Garment
VTF — Vertical Test Flight
TIG — time of ignition
TOI — Transfer Orbit Insertion
TGSE — Telemetry Ground Support Equipment
VGRF — Variable-Gravity Research Facility
USASATCOMA — United States Army Satellite and Communication Agency
WSMCR — Western Space and Missile Center Range
TIR — Terminal Imaging Radar
SW — Solar Wing
WIRE — Wide-Field Infrared Explorer
TFS — Telemetry Format Selection
VSTAG — Vandenberg Shuttle Turnaround AnalYsis Group

TP — Time to Perigee
WUPPE — Wisconsin Ultraviolet Photopolarimeter Experiment
VLS — Vandenberg Launch Site
UOSAT — Universityrsity of Surrey Satellite
TFCS — Triplex Flight Control Subsystem
TETRA — Terminal Tracking Telescope
VISTAR — visible space tracking and reconnaissance
VPLCC — Vehicle Propellant Loading Control Center
TIO — Target Insertion Orbit
VLPS — Vandenberg Launch Processing System
TR — Teleoperator Retrieval
TR — time to retrofire
TFL — Time from Launch

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