Space Abbreviations

Look through 1511 acronyms and abbreviations related to Space:

A&A	Astronomy and Astrophysics
A&ARv	Astronomy and Astrophysics Review
A&AS	Astronomy and Astrophysics Supplement Series
A&AT	Astronomical and Astrophysical Transactions
a&g	Astronomy and Geophysics
A&L	Approach and Landing
A&P	Attitude and Pointing
AA&AA	Astronomy and Astrophysics Abstracts Heidelberg
AACCS	Analytical Approach to Candidate Constellation Selection
AACS	Attitude and Antenna Control System
AACS	Attitude & Articulation Control Subsystem
AAFE	Advanced Applications Flight Equipment
AAIR	Advanced Atmospheric sounder and Imaging Radiometer
AAONw	Anglo-Australian Observatory Epping Newsletter
AAOPr	Anglo-Australian Observatory Epping Preprint
AASPP	Astrononomy and Astrophysics Series
AbbOO	Abbadia Observatory Observations
ABE	air-based electronics
ABM	Apogee Boost Motor
ACA	Attitude Controller Assembly
ACCESS	Assembly Concept for Construction of Erectable Space Structure
ACDS	Attitude Control & Determination System
ACE	Attitude Control Electronics
ACiCh	Astronomical Circular
ACMan	Astronomical Contributions from the University of Manchester
ACP	Astronaut Control Panel
ACPM	Attitude Control Propulsion Motor
ACPS	Attitude Control Propulsion System
ACS	Aft Crew Station
ACS	Attitude Control System
ACTS	Advanced Communication Technology Satellite
AdA&A	Advances in Astronomy and Astrophysics
ADASS	Astronomical Data Analysis Software and Systems
ADC	Aerospace Defense Command
ADCBu	Astronomical Data Center Bulletin
ADEOS	ADvanced Earth Observing Satellite (Japan)
ADFRF	Ames-Dryden Flight Research Facility
ADIL	Astronomy Data Image Library
ADL	Avionics Development Laboratory
ADS	Attitude Display System
ADS	Astrophysics Data Service
ADS	Astrophysics Data System
AdSAC	Advanced Series in Astrophysics and Cosmology
AdSpR	Advances in Space Research
AeAm	Aerospace America
AeCh	Aerospace China
AEdRv	Astronomy Education Review
AeDy	Aerospace Dynamics
AEGRS	ASEAN Experts Group on Remote Sensing
AExpr	Astronomy Express

AF	Aft Fuselage
AFAL	Air Force Astronautics Laboratory
AFC	Automatic Flight Control
AFCS	Automatic Flight Control System
AFD	Aft Flight Deck
AFDE	Aft Flight Deck Equipment
AFDO	Aft Flight Deck Operator
AFO	Announced Flight Opportunity
AFRPL	Air Force Rocket Propulsion Laboratory (USA)
AFSAT	Air Force Satellite
AFSC	Air Force Space Command
AFSCF	Air Force Satellite Control Facility
AFSCN	Air Force Space Command network
AFSCN	Air Force Satellite Control Network
AFSD	Air Force Space Division
AFSPC	Air Force Space Command
AFSSD	Air Force Space Systems Divisionsion
AFSTC	Air Force Space Technology Center
AFT	Atmospheric Flight Test
AG	Artificial Gravity
AGAA	Attitude Gyro Accelerometer Assembly
AGCU	Attitude Gyro Coupling Unit
AHRS	Attitude Heading Reference System
AIL	Avionics Integration Laboratories
AirCo	Air et Cosmos
AJ	Astronomical Journal
AL	Approach and Landing
ALDP	Advanced Launch Development Program
ALEXIS	Array of Low Energy X-ray Imaging Sensors
ALFA	Air-Lubricated Free Attitude
ALMA	Atacama Large Millimeter Array
ALOS	Advanced Land Observing Satellite
ALPOJ	Association of Lunar and Planetary Observers Journal
ALS	Advanced Launch System
ALS	Automatic Landing System
ALSA	astronaut life support assembly
ALSE	Astronaut Life Support Equipment
ALT	approach and landing test
ALTR	Approach and Landing Test Requirement
AMEC	Aft Master Events Controller
AMLS	Advanced Manned Launch System
AMOOS	Advanced Maneuvering Orbit-to-Orbit Shuttle
AMPS	Atmosphere, Magnetosphere & Plasmas in Space
AMPS	Atmospheric Magnetospheric Plasma System
AMR	Antarctic Meteorite Research
AMSR	Advanced Microwave Scanning Radiometer
AMU	Astronaut Maneuvering Unit
AnBos	Annals of the Bosscha Observatory Lembang
AnCap	Annals of the Cape Observatory
AnCGH	Annals of Royal Observatory, Cape of Good Hope

AnDea	Annales of the Dearborn Observatory
AnDud	Annals of the Dudley Observatory
AnEdi	Annals of the Royal Observatory, Edinburgh
AnHar	Annals of Harvard College Observatory
AnLL	Annals of the Observatory of Lucien Libert
AnLow	Annals of the Lowell Observatory
AnLun	Annals of the Observatory of Lund
AnMN	Antarctic Meteorite Newsletter
AnOLL	Annals of the Private Observatory of Lucien Libert
ANS	Astronomical Netherlands Satellite
AnSAO	Annals of the Astrophysical Observatory of the Smithsonian Institution
AnShO	Shanghai Observatory Annals
AnTok	Annals of the Tokyo Astronomical Observatory
AOCS	Attitude and Orbit Control System
Ap&SS	Astrophysics and Space Science
APCA	Aft Power Controller Assembly
APE	Auroral Photography Experiment
APh	Astroparticle Physics
ApInv	Astrophysical Investigations
APJ	Astrophysical Journal
ApJS	Astrophysical Journal Supplement Series
ApL	Astrophysical Letters
ApL&C	Astrophysical Letters Communications
APM	Ascent Particle Monitor
APM	Attached Pressurized Module (a.k.a. Columbus)
ApSSS	Astrophysics and Space Science Supplement
ARA	Attitude Reference Assembly
ARA&A	Annual Review of Astronomy and Astrophysics
ArBei	Astrophysics Reports Publications of the Beijing Astronomical Observatory
ArchS	Archaeoastronomy Supplement
ARCOMSAT	Arab League communications satellite
AReg	Astronomical Register
ARep	Astronomy Reports
AREPS	Annual Review of Earth and Planetary Sciences
ARISTOTELES	Applications and Research Involving Space Technologies Observing the Earth's Field from Low Earth Orbiting Satellite
ARKod	Annual Report of the Kodaikanal Observatory
ArmOL	Armagh Observatory Leaflet
ARS	Attitude Reference System
ArtSa	Artificial Satellites
ASA	Astronomical Society Of The Atlantic
ASAP	Aerospace Safety Advisory Panel
ASAT	Anti-Satellite (weapon or system)
ASCA	Advanced Satellite for Cosmology & Astrophysics
ASCO	Arab Satellite Communications Organization
ASCP	Attitude Set Control Panel
ASCS	Attitude Stabilization and Control System
ASE	Advanced Space Engine
ASI	Augmented Spark Igniter
ASI	Agenzia Spaziale Italiana
ASPOC	Active Spacecraft Potential Control

ASPP	Atmospheric and Space Plasma Physics
ASPRv	Astrophysics and Space Physics Reviews
ASRM	Advanced Solid Rocket Motor
ASRM	Abort Solid Rocket Motor
ASSA	Astronomical Society of South Africa
ASSESS	Airborne Science Shuttle Experiments System Simulation
ASSU	Annual Scientific Supplement to Urania
ASTD	Advanced Space Technology Division
ASTER	Advanced Spaceborne Thermal Emission And Reflection Radiometer (EOS)
AstHe	Astronomical Herald
AstL	Astronomy Letters
AstQ	Astronomy Quarterly
ASTRA	Advanced Star Tracker
ASTRA	Astrophysics and Space Sciences Transactions
ATAL	Alternate Transoceanic Abort Landing
ATCA	attitude translation control assembly
ATDRS	Advanced Tracking and Data Relay Satellite
ATel	Astronomer's Telegram
ATG	Aerospace Test Group
ATO	Abort To Orbit
ATS	Advanced Technology Satellite
ATS	applications technology satellite
AuJPA	Australian Journal of Physics Astrophysical Supplement
AURA	Association of Universities for Research in Astronomy, Inc.
AVCS	Attitude and Velocity Control System
AVHRR	Advanced Very High Resolution Radiometer
AVISO	Archiving, Validation and Interpretation of Satellites Oceanographic data
AVNIR	advanced visible and near-infrared radiometer
AVSOA	American Association of Variable Stars Observers Abstracts
AVSOM	American Association of Variable Stars Observers Monographs
AVSOQ	American Association of Variable Stars Observers Quarterly Reports
AVSOR	American Association of Variable Stars Observers Reports
AW&ST	Aviation Week & Space Technology
BAAS	Bulletin of the American Astronomical Society
BAC	Boeing Aerospace Company
BAC	Booster Assembly Contractor
BAE	British Aerospace Systems, LTD
BAICz	Bulletin of the Astronomical Institutes of Czechoslovakia
BaltA	Baltic Astronomy
BAN	Bulletin of the Astronomical Institutes of the Netherlands
BANS	Bulletin of the Astronomical Institutes of the Netherlands, Supplement Series
BASBr	Bulletin of the Astronomical Society of Brazil
BASI	Bulletin of the Astronomical Society of India
BAT	Burst Alert Telescope
BAVSO	Bulletin of the American Association of Variable Stars Observers
BBF	Bursty Bulk Flow
BBXRT	Broadband XRay Telescope
BCrAO	Bulletin Crimean Astrophysical Observatory
BESS	Biomedical Experiment Support Satellite
BESS	Biomedical Experiment Scientific Satellite

BFC	Backup Flight Computer
BFCS	Backup Flight Control System
BFS	Backup Flight System
BKoAS	Bulletin of Korean Astronomical Society
BMAG	Body-Mounted Attitude Gyro
BMS	Background Measurement Satellite
BNSC	British National Space Centre
BTOK	Bulletin of the Tokyo Astronomical Observatory
BUBes	Bulletin of the University of Besancon Observatory
CamRe	Cambridge Observatories Reprints
CANEX	Canadian experiment
CapMi	Royal Observatory Cape Mimeogram
CAPS	Common Attitude Pointing System
CarOB	Carter Observatory Wellington New Zealand Astronomical Bulletins
CarRe	Carter Observatory Wellington New Zealand Reprints
CAS	Cambridge Astrophysics Series
CAS	Cooperative Application Satellite
CASJ	Canadian Aeronautics and Space Journal
CASJQ	Canadian Aeronautics and Space Journal Quarter
CCA	Cambridge Contemporary Astrophysics
CCRS	Canada Centre for Remote Sensing
CCSDS	Consultative/Consultative Committee for Space Data Systems
CDM	Cold Dark Matter
CDR	Critical Design Review
CDSF	Commercially Developed Space Facility
CDT	Connaissance Des Temps
CEA	Center for EUV Astrophysics
CEAB	Central European Astrophysical Bulletin
CeMDA	Celestial Mechanics and Dynamical Astronomy
CeMec	Celestial Mechanics
CES	Crew Escape System
CES	Conical Earth Sensor
CEV	Crew Exploration Vehicle
CfA	Harvard-Smithsonian Center for Astrophysics, USA
CFF	Columbus Free Flyer
CFP	Conceptual Flight Profile
CGRO	Compton Gamma-Ray Observatory
ChA&A	Chinese Astronomy and Astrophysics
CHARA	Center for High Angular Resolution Astronomy
CHIPS	Cosmic Hot Interstellar Plasma Spectrometer
ChJAA	Chinese Journal of Astronomy and Astrophysics
ChJSS	Chinese Journal of Space Science
ChSAJ	Chinese Society of Astronautics Journal
ChSST	Chinese Space Science Technology
CiBAA	Circular of the British Astronomical Association
CIRCE	Confusion-limited Infrared Cosmology Explorer
CIRRIS	Cryogenic InfraRed Radiance Instituteument for Shuttle
CiUO	Circular of the Union Observatory Johannesburg
CLS	Collecte Localisation Satellites
CLS	Contingency Landing Site(s)

CLSO	Contingency Landing Support Officer
CME	Coronal Mass Ejection (usually Sun)
CNSA	China National Space Administration
CoArm	Contributions from the Armagh Observatory
CoASP	Comments on Astrophysics and Space Physics
CoAst	Communications in Asteroseismology
COBE	Cosmic Background Explorer Satellite (NASA)
CoBos	Contributions from the Bosscha Observervatory
CoBrn	Contributions of the Public Observatory and Planetarium in Brno
CoCam	Contributions from the Cambridge Observatory England
CoDDO	Communications from the David Dunlap Observatory
CoFR	Certificate of Flight Readiness
COFW	Certificate of Flight Worthiness
CoKon	Commmunications of the Konkoly Observatory Hungary
CoLic	Contributions of Lick Observatory
CoLon	Communications of the University of London Observatory
CoLPL	Communications of the Lunar and Planetary Laboratory
ComAp	Comments on Astrophysics
COMAS	Combined Orbital Maneuvering and Abort System
COMSAT	Communications Satellite Corporation
ComSp	Commercial Space
COMTR	COMSAT Technical Review
CoOxf	Communications from the University Observatory Oxford
COP	Co-Orbiting Platform
CoPer	Contributions of Perkins Observatory
CopRe	Copenhagen University Observatory Reprints
CoPri	Contributions from the Princeton University Observatory
COPUOS	Committee on Peaceful Uses of Outer Space (UN)
CoRad	Communications from the Radcliffe Observatory Pretoria South Africa
CoROE	Communications from the Royal Observatory Edinburgh
COROT	Convection Rotation and Planetary Transits
CORSA	Cosmic Radiation Satellite
CoSka	Contributions of the Astronomical Observatory Skalnate Pleso
COSPAR	Committee on Space Research (ICSU)
CosRe	Cosmic Research
CosSe	Cosmic Search Summer
COSTAR	Corrective Optics Space Telescope Axial Replacement
CoSte	Contributions - University of Arizona Steward Observatory
COVVO	Contributions of the Van Vleck Observatory
CoWat	Contributions of the University of Waterloo Observatory
CoWro	Contributions from the Wroclaw Astronomical Observatory
CPF	Cost Per Flight
CQGra	Classical and Quantum Gravity
CQGrS	Classical and Quantum Gravity Supplement
CRAF	Comet Rendezvous/Asteroid Fly-by
CraRe	Cracow Observatory Reprints
CREAM	Cosmic Ray Effects and Activation Monitor
CRISTA	Cryogenic Infrared Spectrometer Telescope For Atmosphere
CRPL	Cosmic Ray Physics Laboratory
CRRES	Combined Release and Radiation Effects Satellite

CSA	Canadian Space Agency
CSCSAT	Commercial Synchronous Communication Satellite
CSOC	Consolidated Space Operations Center
CSTC	Consolidated Space Test Center
CSVS	Catalogue of Suspected Variable Stars
CTS	communications technology satellite
CTS	Canadian Technology Satellite
CYSF	Cape York Space Facility
DADS	Dual Air Density Satellite
DAMA	Demand Assigned Multiple Access
DAOAR	Dominion Astrophysical Observatory Annual Report
DC	Delta Clipper
DCP	D-alanyl carrier protein
DDA	Division of Dynamical Astronomy
DDORe	David Dunlap Observatory Richmond Hill Reprints
DeaCo	Dearborn Observatory Contributions
DF	Development Flight
DFCS	Digital Flight Control System
DFRC	Dryden Flight Research Center
DFRF	Dryden Flight Research Facility
DFS	Dynamic Flight Simulator
DMSP	Defense Meteorological Satellite Program (U.S.)
DMSS	Defense Meteorological Satellite System
DOAMS	distant-object attitude-measuring system
DODSTP	Department of Defense Standard Satellite
DOI	Descent Orbit Insertion
DOMSAT	Domestic Satellite
DORIS	Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS)
DRS	Data Relay Satellite
DRSS	Data Relay Satellite System
DSCS	Defense Support Communication Satellite
DSCS	U.S. Defense Satellite Communications System
DSIS	Defense Satellite Information System
DSN	Deep Space Network - network of large antennas and communication facilities.
DSNPR	Deep Space Network Progress Report
DSS	Deep Space Station
DSSC	Deep Space Station Complex
DSSN	Delta Scuti Star Newsletter
DudOR	Dudley Observatory Reports
DunOP	Dunsink Observatory Publications
DunRe	Dunsink Observatory Reprints
DurOO	Durham Observatory Observations
DVB-S	Digital Video Broadcasting-Satellite
DWS	Disaster Warning Satellite
DyeRe	Dyer Observatory Reprints
E&PSL	Earth and Planetary Science Letters
e&s	Earth and Space
EAA	Encyclopedia of Astronomy and Astrophysics
EADI	Electronic Attitude Director Indicator
EBCi	Eclipsing Binaries Circulars

EC	Engine Control
ECSS	European Cooperation for Space Standardization
EDO	Extended Duration Orbiter
EDRS	European Data Relay Satellite
EEM	Earth Entry Module
EES	Ejection Escape Suit
EEU	Extravehicular Excursion Unit
EExSc	Earth and Extraterrestrial Sciences
EFCS	Earth-fixed coordinate system
EFP	ESA Furnished Property
EGNOS	European Geostationary Navigation Overlay Service
EGRET	Energetic Gamma Ray Experiment Telescope
EGRET	Energetic Gamma Ray Explorer Telescope
EHOT	external hydrogen/oxygen tank
ELDO	European Launcher Development Organisation
ELS	Eastern Launch Site
ELT	Extremely Large Telescope
ELV	Earth Launch Vehicle
ELV	Expendable Launch Vehicle
EM&P	Earth Moon and Planets
ENVISAT	European Space Agency Environmental Satellite
EOAST	Earth-Oriented Applications and Space Technology
EOI	Earth Orbit Insertion
EORC	Earth Observation Research Center
EORSAT	Electronic Ocean Reconstruction Satellite
EOS	Earth Observation Satellite
EP	Elbow Pitch
EP&S	Earth, Planets and Space
EPD	Energetic Particles Detector
EPOC	External Payload Operations Center
ERBS	Earth Radiation Budget Satellite
EROS	Earth Resources Observations System
ERS	Environmental Research Satellite
ERS	Entry and Recovery Simulation
ERS	European Remote Sensing Satellite System
ERS	Earth Resources Satellite
ERSIR	Earth Resources Shuttle Imaging Radar
ERTS	Earth Resources Technology Satellite (now Landsat)
ESA	European Space Agency
ESABu	European Space Agency Bulletin
ESAJ	European Space Agency Journal
ESAST	European Space Agency Scientific Technical Review
ESDAC	European Space Data Center
ESIS	ESA Space Information Systems
ESMC	Eastern Space And Missile Center (formerly AFETR)
ESOAR	European Southern Observatory Annual Reports
ESOB	European Southern Observatory Bulletin
ESOC	European Space Operations Center
ESOSP	European Southern Observatory Scientific Preprints
ESOSR	European Southern Observatory Scientific Report

ESPC	European Space Power Conference
ESPI	European Space Policy Institute
ESRIN	European Space Research Institute
ESRO	European Space Research Organisation
ESTEC	European Space Research and Technology Centre
ESTP	European Space Technology Platform
EUMETSAT	European Meterological Satellite
EUROCOMSAT	European consortium communications satellite
EUSC	European Union Satellite Centre
Eutelsat	European Telecommunications Satellite Organization
EUVE	Extreme Ultraviolet Explorer (NASA Satellite)
EVA	Extravehicular Activity
EVM	Earth-viewing module
ExA	Experimental Astronomy
F&CRe	Flower and Cook Observatory Reprints
FACC	Ford Aerospace and Communications Corporationration
FAF	First Aerodynamic Flight
FAO	FLIGHT ACTIVITIES OFFICER
FAR	Flight Acceptance Review
FARE	Fluid Acquisition and Resupply Equipment
FAT	Flight Attitude Table
FC	Flight Computer
FC	Flight Control
FC	Flight-Critical
FCAP	Flight Control Applications Program
FCDB	Flight Control Data Bus
FCE	Flight Control Equipment
FCE	Flight Crew Equipment
FCEF	Flight Crew Equipment Facility (At KSC)
FCF	First Captive Flight
FCF	Functional Check Flight
FCHL	Flight Control Hydraulics Laboratory
FCI	Flight Control Indicator
FCI	Flight Crew Integration
FCIM	Flight Control Interface Module
FCIP	Flight Cargo Implementation Plan
FCOD	Flight Crew Operations Directorate
FCOS	Flight Computer Operating System (Orbiter)
FCOS	Flight Control Operational Software
FCP	Flight Correction Proposal
FCPH	Fundamentals of Cosmic Physics
FCR	Flight Control Room
FCS	Flight Control System (Subsystem)
FCS	Flight Crew System
FCSM	Flight Combustion Stability Monitor
FCT	flight control team
FCT	Flight Crew Trainer
FCTB	Flight Crew Training Building
FCTS	Flight Crew Trainer Simulator
FD	Flight Day

FD	Flight Director
FDA	Flight Deck Assembly (FDF)
FDAI	Flight Director Attitude Indicator
FDF	Flight Data File
FDL	Flight Director Loop
FDM	Flight Data Manager
FDO	Flight Dynamics Officer
FDRI	Flight Director Rate Indicator
FDS	Flight Design and Scheduling
FDS	Flight Design System
FDS	Flight Dynamics System
FDS	flight dynamics simulator
FDSC	Flight Dynamics Simulation Complex
FDSC	Flight Dynamics Situation Complex
FE	Flight Experiment
FED	Flight Events Demonstration
FEDP	Facility and Equipment Design Plan
FEE	French Echocardiograph Experiment
FEID	Flight Equipment Interface Device
FES	Flight Element Set
FET	Flight Elapsed Time
FEWG	Flight Evaluation Working Group
FFC	Final Flight Certification
FFM	free-flying module
FHF	First Horizontal Flight
FHST	fixed-head star tracker
FID	Flight Implementation Directive
FIE	Flight Instituteumentation Engineer
FIRSSE	Far Infrared Sky Survey Experiment
IP	Instituteuctor Pilot
IPACS	integrated power and attitude control system
IPNPR	Interplanetary Network Progress Report
IQSY	International Quiet Sun Year
IRA	Infrared Astronomy
IrAJ	Irish Astronomical Journal
IrAJS	Irish Astronomical Journal Supplement
Iransat	Iranian Government Communications Satellite
IRBS	Infrared Background Sensor
IRR	Integral Rocket Ramjet
ISA	Iranian Space Agency
ISAS	Institute of Space and Astronautical Sciences (Japan)
ISBRv	International Space Business Review
ISCCP	International Satellite Cloud Climatology Project
ISEE	International Sun-Earth Explorer
ISF	Industrial Space Facility
ISO	Infrared Space Observatory
ISRO	Indian Space Research Organisation
ISS	International Space Station
IsSRT	Israel Space Research and Technology Information Bulletin
ISTS	Institute for Space and Terrestrial Science

ISU	International Space University
ISY	International Space Year (1992)
ITMG	Integrated Thermal/Micrometeoroid Garment
ITU	Infrared Telescope Unit
IUE	International Ultraviolet Explorer
IUEEN	IUE ESA Newsletter
IUENN	IUE NASA Newsletter
IUS	Inertial UPper Stage (was Interim UPper Stage)
IVSI	Institutentaneous Vertical Speed Indicator
IWFNA	Inhibited White Fuming Nitric Acid
JAAVSO	Journal of the American Association of Variable Star Observers
JAD	Journal of Astronomical Data
JAHH	Journal of Astronomical History and Heritage
JANNAF	Joint Army Navy NASA Air Force
JAnSc	Journal of Astronautical Sciences
JApA	Journal of Astrophysics and Astronomy
JApAS	Journal of Astrophysics and Astronomy Supplement
JAS	Journal of Aerospace Science
JASAC	Japan Astronomical Study Association Circulars
JASEg	Journal of the Astronomical Society of Egypt
JASS	Journal of Astronomy and Space Sciences
JASV	Journal of the Astronomical Society of Victoria Melbourne
JAXA	Japan Aerospace Exploration Agency
JAXA	Japan Aerospace Exploration System
JBAA	Journal of the British Astronomical Association
JBAn	Jodrell Bank Annals
JBAS	Journal of the British Astronomical Society
JBIS	Journal of the British Interplanetary Society
JBRe	Jodrell Bank Reprints
JCAP	Journal of Cosmology and Astro-Particle Physics
JDSO	Journal of Double Star Observations
JERS	Japanese Earth Resources Satellite (JPOP)
JHA	Journal for the History of Astronomy
JHAS	Journal for the History of Astronomy Supplement
JILA	Joint Institute for Laboratory Astrophysics
JIMO	Journal of the International Meteor Organization
JKAS	Journal of Korean Astronomical Society
JOP	Jupiter Orbiter Probe
JP	Jet Propellant
JPAS	Journal of Practical Applications in Space
JPL	Jet Propulsion Laboratory (California Institute of Technology) (NASA)
JPOC	JSC Payload Operations Center
JRASC	Journal of the Royal Astronomical Society of Canada
JRASN	Journal of the Royal Astronomical Society of New Zealand
JSAR	Journal of Space Astronomy Research
JSC	Johnson Space Center (Houston, TX)
JSCM	JSC Manual
JSpRo	Journal of Spacecraft and Rockets
JSpT	Journal of Spacecraft Technology
KAPL	KSC Approved Parts List

KARI	Korea Aerospace Research Institute
KBAC	Kennedy Booster Assembly Contractor
KMI	KSC Management Instituteuction
KN	KSC Notice
KodOB	Kodaikanal Observatory Bulletins
KodRe	Kodaikanal Observatory Reprints
KOI	KSC Operation Instituteuction
KOM	KSC Organizational Manual
KPD	KSC Program Directive
KPRD	KSC Program Requirements Document
KSC	John F. Kennedy Space Center
KSCAP	Kennedy Space Center Area Permit
KSSS	KSC Station Set Specification
L&D	Landing And Deceleration
L&L	Launch And Landing
LA	Launch Azimuth
LA	Launch Area
LACB	Landing Aids Control Building (SLF At KSC)
LACE	Low-Power Atmospheric Compensation Experiment
LAGEOS	Laser Geodynamic Satellite
LAGS	Launch Abort Guide Simulation
LAIRT	Large-Aperture Infrared Telescope
LAIU	Launch Abort Interface Unit
LAMMR	large-antenna multichannel microwave radiometer
LAMP	Lyman-Alpha Mapping Project
LAPSS	Large-Area Pulse Solar Simulator
LaRC	Langley Research Center (NASA)
LASCO	Large Angle Spectrometric Coronograph
LASS	large-amplitude space simulator
LawOB	Laws Observatory Bulletin
LBLRR	LBL Research Review
LC	Launch Countdown
LC	Launch Complex
LCA	Launch Control Amplifier
LCC	Launch Control Center (KSC)
LCC	Launch Control Complex
LCC	Launch Commit Criteria
LCCD	Launch Commit Criteria Document
LCROSS	Lunar CRater Observation and Sensing Satellite
LCS	Launch Control System
LDEC	Lunar Docking Events Controller
LDIU	Launch Data Interface Unit
LDR	Low Data Rate
LDS	Launch Detection Satellite
LDS	Landing, Deservicing and Safing
LE	Launch Escape
LEGRI	Low Energy Gamma-Ray Imager
LEH	Launch/Entry Helmet
LEM	Launch Escape Monitor
LEM	Lunar Excursion Module

LEND	Lunar Exploration Neutron Detector
LEO	Low Earth Orbit (satellite communications)
LES	Launch Equipment Shop
LES	Lincoln Experimental Satellite
LES	Launch Escape Subsystem
LETF	Launch Equipment Test Facility
LF	Launch Facility
LFV	Lunar Flying Vehicle
LicOB	Lick Observatory Bulletin
LLO	Low Lunar Orbit
LLP	Launch and Landing Project
LLPO	Launch and Landing Project Office
LM	Lunar Module
LM&SS	Lunar Mapping and Scientific Survey
LME	Launch Monitor Equipment
LMSC	Lockheed Missiles and Space Corporationration
LMSS	Land Mobile Satellite System
LMSS	Lunar Mapping and Survey System
LNSP	Lecture Notes and Supplements in Physics
LOA	Launch Operations Area
LOA	Landing Operations Area
LOC	Launch Operations Complex
LOI	Lunar Orbit Insertion
LON	Launch on Need
LOR	Lunar Orbit Rendezvous
LORL	Large Orbital Research Laboratory
LOWG	Landing Operations Working Group
LowOB	Lowell Observatory Bulletin
LPD	Launch Procedure Document
LPD	Landing Point Designator
LPIF	Launch Package Integration Facility
LPLWS	Launch Pad Lightning Warning System
LPS	Launch Processing System
LRB	Liquid Rocket Booster
LRF	Liquid Rocket Fuel
LRO	Lunar Reconnaissance Orbiter
LRR	Launch Readiness Review
LRSP	Living Reviews in Solar Physics
LRV	Lunar Roving Vehicle
LRV	launch readiness verification
LS	Launch Site
LS	Launch Sequence
LS	Landing Site
LS/ST	Light Shield/Star Tracker
LSA	launch services agreement
LSAH	Launch Site Accommodations Handbook
LSAP	Launch Sequence Applications Program
LSID	Launch Sequence and Interlock Document
LSOC	Lockheed Space Operations Company
LSR	Launch Site Recovery

LSSL	Life Sciences Space Laboratory
LSSRC	Life Sciences Shuttle Research Centrifuge
LST	Large Space Telescope
LSTE	Launch Site Transportation Equipment
LVS	Launch Vehicle System
LVS	Launch Vehicle Simulator
LWD	Launch Window Display
M&PS	Meteoritics and Planetary Science
MACS	Modular Attitude Control System
MadOb	Madras Observatory Observations
MadOO	Madras Observatory Astronomical Observations
MAEP	Minimum Autoland Entry Point
MAGIC	Major Atmospheric Gamma-ray Imaging Cherenkov Telescope
MAGSAT	Magnetometer Satellite
MAN	Microwave Aerospace Navigation
MASDC	Military Aircraft Storage & Disposition Center
MBAC	Marshall Booster Assembly Contractor
MCA	Maximum Crossing Altitude
MCT	Maximum Climb Thrust
MDR	Medium Data Rate
MDRS	Mars Desert Research Station
MeeRe	Kenneth Mees Observatory Reprints
MelAR	Melbourne Observatory Annual Report
MelOO	Melbourne Observatory Observations
MEM	Mars Excursion Module
MEM	Meteoroid Exposure Module
MEO	Mid Earth Orbit
MEP	Main Engine Propellant
MERSAT	Meteorology And Earth Observation Satellite
MEV	Mars Excursion Vehicle
MFA	Manned Flight Awareness
MFF	MDM Flight Forward
MFPE	Mission from Planet Earth
MFR	Maximum Flight Rate
MFT	Mean Flight Time
MFTAD	Master Flight Test Assignment Document (JSC)
MicRe	University of Michigan Observatory Reprints
MILA	Merritt Island Launch Area
MILCOMSAT	Military Communications Satellite
MIMPE	Modern Instrumentation and Measurements in Physics and Engineering
MIPS	Merritt Island Press Site
MisSp	Missiles Spacecraft
MITTS	Mobile Igor Tracking Telescope System
MLC	Mobile Launcher Computer
MLF	MDM Launch Forward
MLG	Main Landing Gear
MLGS	Microwave Landing Guidance System
MLP	mobile launch platform
MLRS	Multiple Launch Rocket System (US)
MLS	Microwave Landing System

MLV	Medium Lift Vehicle
MLV	Medium Launch Vehicle
MLW	Maximum Landing Weight
MMAAR	Maria Mitchell Association Annual Report
MmASI	Memoirs of the Astronomical Society of India
MmBAA	Memoirs of the British Astronomical Association
MmKMO	Memoirs Of The Kakioka Magnetic Observatory
MmRAS	Memoirs of the Royal Astronomical Society
MMS	Multimission Modular Spacecraft
MMU	Manned Maneuvering Unit
MNRAS	Monthly Notices of the Royal Astronomical Society
MNSSA	Monthly Notes of the Astronomical Society of South Africa
MO	Manned Orbiter
MODS	Military Orbital Development System
MOF	Manned Orbital Flight
MOL	Manned Orbiting Laboratory
MOSPO	Mobile Satellite Photometric Observatory
MPLM	Mini-Pressurized Logistics Module
MPS	Material Processing Satellite
MPS	Materials Processing in Space
MPSE	Morelos Payload Specialist Experiments
MPVA	Main Propellant Valve Actuator
MRSR	Mars Rover Sample Return
MS/MS	Material Science and Manufacturing in Space
MSCTN	Meteorological Satellite Center Technical Note
MSF	Manned Space Flight
MSFC	Marshall Space Flight Center (Huntsville AL)
MSFN	Manned Space Flight Network
MSFP	Manned Space Flight Program
MSOB	Manned Spacecraft Operations Building
MSSTM	military space system technology model
MSVP	Master Shuttle Verification Plan
MSX	Midcourse Space Experiment
MT	Mission Trajectory
MTPE	Mission To Planet Earth
MtSOM	Mount Stromlo Observatory Mimeographs
MtSRe	Mount Stromlo Observatory Reprints
MtWAR	Mount Wilson and Palomar Observatory Annual Report
MtWRe	Mount Wilson and Palomar Observatory Reprints
MUA	Maximum Usable Altitude
MVF	Manned Vertical Flight
MVI	Microgravity Vestibular Investigation
MVM	Mariner Venus/Mercury
MWOAR	Mount Wilson Observatory Annual Report
NAS	National Airspace System
NASAC	NASA Conference Publication
NASAL	NASA Circular Letter
NASAR	NASA Reference Publication
NASAS	NASA Special Publication
NASCOM	NASA Communications System

NASDA	National Space Development Agency of Japan
NASM	National Air and Space Museum
NASO	North American Space Operations
NASP	National Aerospace Plane
NASTRAN	NASA Structural Analysis Program
NAVSAT	Navigation Satellite
NCC	NASA Communications Control
NCC	NASA class code
NCOS	National Commission on Space
ND	NASA Document
NDGPS	Nationwide Differential Global Positioning System
NEAF	North East Astronomy Forum
NEEDS	NASA end-to-end data system
NEMS	NASA Equipment Management System
NEP	Nuclear Electric Propulsion
NERVA	Nuclear Engine for Rocket Vehicle Application
NESDIS	National Environmental Satellite, Data, and Information Service
NESS	National Environmental Satellite Service (NOAA)
NewAR	New Astronomy Review
NFS	NASA FAR Supplement
NGT	NASA Ground Terminal
NHB	NASA Handbook
NizRe	Nizamiah Observatory Reprints
NLS	National Launch System
NMI	NASA Management Instituteuction
NOBLs	New Outer Blanket Layers
NOES	National Operational Environmental Satellite Serv.
NOSS	National Oceanic Satellite System
NPC	NASA publication control
NPD	NASA Policy Directive
NPN	NASA Part Number
NPS	NASA Planning Studies
NPSS	NASA Packet Switching System
NRALT	NASA radar altimeter
NRAOR	National Radio Astronomy Observatory Reprints
NS	Nuclear Shuttle
NSAU	National Space Agency of Ukraine
NSC	Navigational Star Catalog
NSD	NASA standard detonator
NSI	NASA Science Internet
NSI	NASA Standard Initiator
NSIF	Near-Space Instrumentation Facility
NSIF	Near-Space Instituteumentation Facility
NSL	Northrop Space Laboratory
NSO	NASA Support Operation
NSO	National Solar Observatory
NSP	NASA Support Plan
NSSCC	NORAD Space Surveillance Computation Center
NSSDC	National Space Science Data Center (Greenbelt, MD)
NSTL	National Space Technology Laboratories (NASA)

NSTS	National Space Transportation System
NTD	NASA test director
NTS	Navigation Technology Satellite
NTSO	NASA Test Support Office
Nustar	Nuclear Spectroscopic Telescope Array
OAA	Orbiter Access Arm
OAA	Orbiter Alternate Airfield
OAFTO	Orbiter Atmospheric Flight Test Office
OAMS	orbital attitude and maneuvering system
OAO	Orbital Astronomical Observatory
OAP	Odessa Astronomical Publications
OARE	Orbital Acceleration Research Experiment
OAS	Orbiter Avionics System
OAS	Orbiter Atmospheric Simulator
OAS	Orbiter Aeroflight Simulator
OASCB	Orbiter Avionics Software Control Board
OAST	Office of Aeronautics & Space Technology
OBIGGS	Onboard Inert Gas Generating System
OCDR	Orbiter Critical Design Review
OCF	Orbiter Computational Facilities
OCH	Orbiter Common Hardware
OCTW	Optical Communications Through The Shuttle Window
ODF	Orbit Determination Facility
OEAS	Orbital Emergency Arresting System
OEJV	Open European Journal on Variable Stars
OES	Orbiter Emergency Site
OF	Orbital Flight
OFI	Operational Flight Instituteumentation
OFK	OPtical Flight Kit
OFP	Operational Flight Program
OFP	Operational Flight Profile
OFP	Orbiter Flight Program
OFS	Orbiter Functional Simulator
OFT	Orbital Flight Test
OFTDS	Orbital Flight Test Data System
OGMT	Orbiter Greenwich Mean Time
OI	Orbiter Insertion
OI	Orbiter Instituteumentation
OIA	Orbiter Interface Adapter
OIS	Orbiter Instituteumentation Systems
OIVS	Orbiter Interface Verification Set
OLOW	orbiter lift-off weight
OLSP	Orbiter Logistics Support Plan
OMA	Orbiter Maintenance Area
OMCF	Orbiter Maintenance & Checkout Facility
OMDP	Orbiter Maintenance Down Period
OME	Orbital Maneuvering Engine
OME	Orbiter Main Engine
OMeT	Orbiter Mission Elapsed Time
OMEWG	Orbiter Maintenance Engineering Working Group

OML	Orbiter Mold Line
OMR	Orbiter Management Review
OMRF	Orbiter Maintenance and Refurbishment Facility
OMS	orbital maneuvering system
OMV	Orbital Maneuvering Vehicle
ONBT	Orbiter Neutral Buoyancy Trainer
ONRAS	Occasional Notes of the Royal Astronomical Society
OOS	orbit-to-orbit Shuttle
OOS	orbit-to-orbit stage
OOS	on-orbit station
OOSDP	on-orbit station distribution panel
OPF	Orbiter Processing Facility
OPI	Orbiter Payload Interrogator
OPIS	Orbiter Prime Item Specification
OPLF	Orbiter Processing and Landing Facility
OPM	Outer Planet Mission
OPO	Orbiter Project Office
OPSS	Orbital Propellant Storage Subsystem
ORD	Orbital Requirements Document
ORROE	Occasional Reports of the Royal Observatory, Edinburgh
ORS	Orbital Refueling System
ORT	Orbit Readiness Test
ORU	Orbital Replacement Unit
OSC	Orbital Sciences Corporationration
OSCAR	Orbiting Satellite Carrying Amateur Radio
OSCRS	orbital spacecraft consumables resupply system
OSDH	Orbiter System Definition Handbook
OSE	Orbital Support Equipment
OSO	Orbiting Solar Observatory
OSS	Orbiting Space Station
OSS	Office of Space Sciences
OSSA	Office of Space Sciences and Applications
OST	Orbiter SuPport Trolley
OSTA	Office of Space and Terrestrial Applications (US NASA; now OAST)
OSTDS	Office of Space Tracking and Data Systems (NASA)
OSTO	Office of Space Transportation Operations
OSTP	Orbiting System Test Plan
OSTS	Office of Space Transportation Systems
OTA	Optical Telescope Assembly
OTB	Orbiting Tanker Base
OTC	Orbiter Test Conductor
OTD	Orbiter Test Director
OTOS	Orbit-to-Orbit Stage
OTV	Orbital Transfer Vehicle
OV	Orbital Vehicle
OVS	Observation of Variable Stars
OxfOO	Oxford University Observatory Observations
P&SS	Planetary and Space Science
PA	Popular Astronomy
PAAS	Publications of the American Astronomical Society

PAB	Publications of The Astrophysics Branch Ottawa
PABei	Progress in Astronomy
PACS	Pointing and Attitude Control System
PAD	Propellant Acquisition Device
PADEU	Publications of the Astronomy Deparment of the Eotvos Lorand University
PAIB	Publications of the Astronomy Institute of Bonn
PAICU	Publications of the Astronomical Institute of the Charles University
PAICz	Publications of the Astronomical Institute of the Czechoslovak Academy of Sciences
PAllO	Publications of the Allegheny Observatory of the University of Pittsburgh
PALS	precision approach and landing system
PAMELA	Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics
PASA	Publications of the Astronomical Society of Australia
PASAu	Proceedings of the Astronomical Society of Australia
PASJ	Publications of the Astronomical Society of Japan
PASK	Publications of the Academy of Science Kasakstan
PASPS	Publications of the Astronomical Society of the Pacific Supplement
PATH	Postflight Attitude and Trajectory History
PBeiO	Publications of the Beijing Astronomical Observatory
PBosO	Publications of the Bosscha Observatory Lembang
PBrn	Publications of the Astronomical Institute of the University of Borneo
PBV	Post-Boost Vehicle
PCARS	Publication of COMU Astrophysics Research Center
PCIL	Pilot-Controlled Instituteument Landing
PCinO	Publications of the Cincinnati Observatory
PCooO	Publications of the Cook Observatory
PCS	Physics and Chemistry in Space
PDA	Propellant Drain Area
PDAA	Publications of the Department of Astronomy, Austin, Texas
PDAO	Publications of the Dominion Astrophysical Observatory
PDAUC	Publications of the Department of Astronomy University of Chile
PDDO	Publications of the David Dunlap Observatory
PDO	Publications of the Dominion Observatory Ottawa
PDP	Postinsertion Deorbit Preparation
PDreO	Publications of the Dresden Observatory
PerCo	Perkins Observatory Contributions
PF	Powered Flight
PF&CO	Publications of the Flower and Cook Astronomical Observatory
PFAO	Publications of the Flower Astronomical Observatory
PFC	Performance Flight Certification
PFCF	Payload Flight Control Facility
PFCS	Primary Flight Control System
PFRT	Preliminary Flight Rating Test
PFS	Primary Flight System
PFTA	Payload Flight Test Article
PGLO	Publications of the Goethe Link Observatory
PGooO	Publications of the Goodsell Observatory
PHA	Physics And Astronomy
PhASp	Physics and Astrophysics from Spacelab
PHP	Planetary Horizontal Platform
PIO	Pilot-Induced Oscillation

PIstO	Publications of the Istanbul Observatory
PKAS	Publication of the Korean Astronomical Society
PKirO	Publications of the Kirkwood Observatory of Indiana University
PLA	Parachute Location Aid
PlAst	Planetary Astronomy
PLawO	Publications of Laws Observatory
PLicO	Publications of Lick Observatory
PlR	Planetary Report
PLS	Primary Landing Site
PLS	Personnel Launch System
PLS	Propellant Loading System
PLSL	Propellants and Life Support Laboratory
PManO	Publications of the Manila Observatory
PMC	Permanently Manned Capability (of Space Station)
PMcCO	Publications of the Leander McCormick Observatory
PMunO	Publications of the Munich Observatory
PNAOJ	Publications of the National Astronomical Observatory of Japan
POD	Precision Orbit Determination
POE	Pilot Operational Equipment
POEM	Polar-Orbiting Earth Mission
POGO	Polar Orbiting Geophysical Observatory
POGS	polar-orbiting geomagnetic survey
POHel	Publications of the Astronomical Observatory Helsinki
POMic	Publications of Michigan Observatory
POMin	Publications of the Astronomical Observatory University of Minnesota
POVRO	Publications of the Owens Valley Observatory
PPARC	Particle Physics and Astronomy Research Council
PPCAS	Publication of the Pomona College Astronomical Society
PPMtO	Publications of the Purple Mountain Observatory
Pqgs	Propellant Quantity Gauging System
PrAeS	Progress in Aerospace Sciences
PrAst	Practical Astronomy
PRB	Parachute Refurbishment Building
PRCO	Publications of the Riverview College Observatory
PRM	Posigrade Rocket Motor
PROE	Publications of the Royal Observatory of Edinburgh
PRTLS	Powered Return to Launch Site
PSCL	Propellant Systems Cleaning Laboratory
PSF	Propellant Servicing Facility
PSIG	Propulsion Systems Integration Group
PSM	Propellant Storage Module
PSprO	Publications of the Sproul Observatory
PSS	Propellant Supply Subsystem
PSV	Planetary Space Vehicle
PTCS	Propellant Tanking Computer System
PTV	Pathfinder Test Vehicle
Pu	Propellant Unit
PU	Propellant Utilization
PUAms	Publications of the Astronomical Institute of the University of Amsterdam
PUCS	Propellant Utilization Control System

PUGS	propellant utilization and gauging system
PUSNO	Publications of the US Naval Observatory
PUV	Propellant Utilization Valve
PVA	Propellant Valve Actuator
PVA	Preburner Valve Actuator
PVasO	Publications of the Vassar College Observatory
PVO	Pioneer Venus Orbiter
PVSS	Publications of Variable Star Section
PVT	Pyrotechnic Verification Test
PVT	Preflight Verification Test
PVVO	Publications of the Van Vleck Observatory
PW&SO	Publications of the Warner Swasey Observatory
PWasO	Publications of the Washburn Observatory
PWHHO	Publications of West Hendon House Observatory, Sunderland
PYerO	Publications of the Yerkes Observatory
PYunO	Publications of the Yunnan Observatory
QJRAS	Quarterly Journal of the Royal Astronomical Society
QRSL	quick-reaction space laboratory
Qtv	Qualification Test Vehicle
RABF	Radio Astronomy Bandstop Filter
RAE	Royal Aerospace Establishment
RAE	Radio Astronomy Explorer
RAI	Radar Altimeter Indicator
RAI	Roll Attitude Indicator
RALPH	Reduction and Acquisition of Lunar Pulse Heights
RALT	Radar Altimeter
RAPCON	radar approach and control
RAS	Royal Astronomical Society
RATO	Rocket-Assisted TakeOff
Razel	Range, Azimuth and Elevation
RDS	Rocketdyne Digital Simulator
RECONS	Research Consortium on Nearby Stars
REM	Rocket Engine Module
RGOB	Royal Greenwich Observatory Bulletin
RGOO	Royal Greenwich Observatory Observations
RHS	Rocketdyne Hybrid Simulator
RIAPS	Remote Infrared Atmospheric Profiling System
RICAP	Roma International Conference on Astroparticle Physics
RJ/EC	Reaction Jet/Engine Control
RJC	Reaction Jet Control
RJD	Reaction Jet Device
RJD	Reaction Jet Driver
RJDA	Reaction Jet Driver Aft
RJDF	Reaction Jet Driver Forward
Rm	Rendezvous Maneuver
RNAOJ	Report of the National Astronomical Observatory of Japan
RNP	Rotation, Nutation and Precession
ROAn	Royal Observatory Annals
ROLun	Reports of the Lund Observatory
ROM	Rough Order of Magnitude

RORSAT	Radar Ocean Reconnaissance Satellite
ROSA	Romanian Space Agency
ROSAT	Roentgen Satellite
RP	Rocket Propellant
RPL	Rocket Propulsion Laboratory
RR	Rendezvous Radar
RREA	Rendezvous Radar Electronics Assembly
RREU	Rendezvous Radar Electronics Unit
RSO	Resident Space Object
RSRM	Redesigned Solid Rocket Motor
RSSPO	Resident Space Shuttle Project Officer
RTF	Return To Flight
RTG	Radioisotope Thermal Generation
RTLS	Return To Launch Site
RV	Reentry Vehicle
RvGSP	Reviews of Geophysics and Space Physics
RvMA	Reviews in Modern Astronomy
s&t	Sky & Telescope
SA	Selective Availability (on GPS transmissions)
SAAOC	South African Astronomical Observatory Circular
SAB	Spacecraft Assembly Building
SABIR	space-based interceptor
SAD	Spacecraft Attitude Display
SAD	Shuttle Authorized Document
SAEF	Spacecraft Assembly and Encapsulation Facility
SAIL	Shuttle Avionics Integration Laboratory (JSC)
SAL	Shuttle Avionics Laboratory
SAM	Shuttle Attachment ManiPulator
SAM	Shuttle Activation Monitor
SAMP	Shuttle Automated Mass Properties
SAMS	Space Acceleration Measurement System
sans	Stellar Autonomous Navigation System
SAOCo	Smithsonian Astrophysical Observatory - Contributions to Astrophysics
SAREX	Shuttle Amateur Radio Experiment
SARP	Shuttle Astronaut Recruitment Program
SAS	Small Astronomy Satellite
SATAF	Shuttle Activation Task Force
satco	Satellite Communications
SATS	Small Applications Technology Satellite
Sb	Space Base
SBDEW	space-based, directed-energy weapon
SBDEWSIM	space-based, directed-energy weapon simulation
SBI	Space-Based Interceptor
SBKEW	space-based kinetic-energy weapon
SBKEWS	space-based kinetic-energy weapon system
SBKKV	Space-Based Kinetic Kill Vehicle
SBKKVWS	space-based kinetic kill vehicle weapon system
SBL	Space-Based Laser
SBLIP	Space-Based Laser Intercept Program
SBNPB	Space-Based Neutral Particle Beam

sbs	Scientific Business Satellite
SBS	Skylab Boost System
SBSS	Space-Based Surveillance System
SCA	Shuttle Carrier Aircraft
SCAN	Shuttle Connector Analysis Network
SCDR	Shuttle Critical Design Review
SCF	Spacecraft Control Facility
SCF	Satellite Control Facility
SCOA	Smithsonian Contributions to Astrophysics
SCS	Spacecraft Control System
SCSA	Science and Culture Series Astrophysics
SCSP	Science and Culture Series Physics
SD	Space Divisionsion
sdccc	Space Defense Command Communication Center
SDCOC	Space Defense Command Operations Center
SDD	Shuttle Design Directive
SDE	Space Divisionsion Evaluator
SDHS	Satellite Data Handling System
SDLV	Shuttle-Derived Launch Vehicle
SDM	Shuttle Data Management
SDP	Shuttle Data Processor
SDR	Spacelab DisPosition Record (ESA)
SDS	Space Defense System
SDS	Satellite Data System
SDSS	Sloan Digital Sky Survey
SDSS	Space Divisionsion Shuttle Simulator
SDT	Shuttle Data Tape
SDV	Shuttle-Derived Vehicle
SEADS	Shuttle Entry Air Data Sensor
secor	Sequential Collation of Range
SECS	Shuttle Events Control Subsystem
sef	Space Environmental Facility
SEM	space environment monitoring
SEMS	Space Environment Monitor System
SEOS	Synchronous Earth Observation Satellite
SEPAP	Shuttle Electrical Power Analysis Program
SEPAR	Shuttle Electrical Power Analysis Report
SEPS	Solar Electric Propulsion System
SerAJ	Serbian Astronomical Journal
SERB	Shuttle Engineering Review Board
SERF	Space Environment Research Facility
SERS	Shuttle Equipment Record System
SES	Shuttle engineering simulator
SESC	Shuttle Events Sequential Control
SESL	Space Environment Simulation Laboratory
SETI	Search for Extraterrestrial Intelligence
seva	Skylab Extravehicular Visor Assembly
SEWS	Satellite Early Warning System
SFACI	Software Flight Article Configuration Inspection
SFCS	Survival Flight Control System

SFO	Space Flight Operations
SFOF	Space Flight Operations Facility
SFOM	Shuttle Flight Operations Manual
SFP	Summary Flight Plan
SFS	Shuttle Flight Status
SFSS	Satellite Field Service Station
SFT	Simulated Flight Test
SGC	Stabilized Ground Cloud
sgemp	Space-Generated Electromagnetic Pulse
SHA	Sidereal Hour Angle
SHAD	Stellar Horizon Atmospheric Dispersion
shad	Stellar Horizon Attitude Determination
shar	Stellar Horizon Atmospheric Refraction
SI	Scientific Investigation
SIA	Solar Inertial Attitude
SID	Shuttle Integration Device
SIE	Shuttle Interface Equipment
SIMAS	Shuttle Information Management Accountability System
SIMCAT	simulate observations using space catalog
SIMS	Shuttle Inventory Management System
SIMS	Shuttle Imaging Microwave System
SIR	Shuttle Imaging Radar
SIRTF	Space Infrared Telescope Facility
SIRTF	Shuttle InfraRed Telescope Facility
SIS	Shuttle Interface Simulator
SIS	Shuttle Information System
SISEX	Shuttle Imaging Spectrometer Experiment
SIT	Shuttle Integrated Test
SIT	Shuttle Interface Test
SLAP	Space Link Access Protocol
SLC	Space Launch Complex
SLCSAT	submarine laser communications satellite
SLF	Shuttle Landing Facility (OLF)
SLS	Secondary Landing Site
SLSA	Shuttle Logistics Support Aircraft
SLV	Space Launch Vehicle
SM	Shuttle Management (KSC)
SM	Standard Model
SMAB	Solid Motor Assembly Building
SMB	Space Meteorology Branch
SMCC	Shuttle Mission Control Center
SMD	Spacelab Mission Development
SME	Solar Mesosphere Explorer
SMES	Shuttle Mission Engineering Simulator
smg	Space Flight Meteorology Group
SMIRR	Shuttle Multispectral Infrared Radiometer
SML	Spacecraft Markup Language
SMM	Solar Maximum Mission
SMPTRB	Shuttle Main Propulsion Test Requirement Board
SMS	Synchronous Meteorological Satellite

SMS	Shuttle Mission Simulator
SMS	Solar Maximum Satellite
SMVP	Shuttle Master Verification Plan
SMVRD	Shuttle Master Verification Requirements Document
SN	Space Network
SNAP	Space Nuclear Auxiliary Power
SNSB	Swedish National Space Board
SNSO	Space Nuclear SYstems Office
so	Space Operations
SO/SI	space operations and scientific investigation
SOAR	Shuttle Orbital Applications and Requirements
SOARS	Shuttle Operation Automated Reporting System
SOCAR	Shuttle Operational Capability Assessment Report
SOCC	Satellite Operations Control Center
SOCH	Spacelab Orbiter Common Hardware
SODB	Shuttle Operational Data Book
SODS	Shuttle Operational Data System
SODS	Skylab Orbit-Deorbit System
SOF	Safety Of Flight
SOI	Space Object Identification
SOIS	Spacelab/orbiter interface simulator
SOLSTICE	Solar Stellar Irradiance Comparison Experiment
SOMS	Shuttle Orbiter Medical System
SOP	Spacelab OPportunity Payload
SOPC	Shuttle Operations and Planning Center
soph	Solar Physics
SOR	Stable Orbit Rendezvous
SoSyR	Solar System Research
SOT	Solar Optical Telescope
SouSt	Southern Skies
SP	Solar Physics
SPA	Space Processing Application
SPACE	Spacecraft Prelaunch Automatic Checkout Equipment
SPAD	Shuttle Payload Accommodation Document
SPADATS	Space Defense Acquisition and Tracking System
SPADCCS	Space Defense Command and Control System
spade	Space Acquisition Defense Experiment
SPADOC	Space Defense Operations Center
SPADS	Shuttle Problem Analysis Data System
SPAH	Spacelab Payload Accommodations Handbook
SPAN	Spacecraft Analysis
SPARS	Space Precision Attitude Reference System
SPART	Space Research and Technology
SPARTAN	Shuttle Pointed Autonomous Research Tool for Astronomy
SPAS	Shuttle Pallet Satellite(German)
spc	Shuttle Processing Contract
SPD	Solar Physics Division
sped	Space Education
SPF	Spacelab Processing Facility
spfl	Spaceflight

SPICE	Survey Probe Infrared Celestial Experiment
SPICE	Spacelab Payload Integration and Coordination in Europe
SPIDPO	Shuttle Payload Integration and Development Program Office
SPIE	Shuttle Plume Impingement Experiment
SPIF	Shuttle Payload Integration Facility
SPII	Shuttle Program Implementation Instituteuction
SPIMS	Shuttle Program Information Management System
SPIRE	Spectral Infrared Rocket Experiment
SPIRIT	Spatial Infrared Telescope
SpMar	Space Markets
SPN	Shuttle Project Notice (KSC)
Spoc	Shuttle Portable on-Board Computer
SPP	Solar Physics Payload
SPP	Simulation Planning Panel
SPPIL	Shuttle Preferred Pyrotechnic Items List
SpPol	Space Policy
SpRBu	Space Research Bulgaria
SPRL	Space Physics Research Laboratory
SPRMD	Space Power Resources and Manufacturing Development
SprRe	Sproul Observatory Reprints
SPS	Satellite Power System
SPS	Shuttle Procedures Simulator
spT	South Pole Telescope
Spvw	Spaceview
spwd	Space World
SpWea	Space Weather
SRAG	Space Radiation Analysis Group
srb	Solid Rocket Boosters
SRBAB	SRB Assembly Building
SRBDF	SRB Disassembly Facility
SRD	Shuttle Requirements Definition
SRD	Shuttle Requirements Document
SRF	Shuttle Refurbishment Facility
SRL	Space Radar Laboratory
SRM	Solid Rocket Motor
SRMS	Shuttle Remote Manipulator System
SRR	Shuttle Requirements Review
SRS	Stellar Radiation Sensor
SRSS	Shuttle Range Safety System
SRT	Shuttle Requirements Traceability
SRU	Space Replaceable Unit
ss	Shuttle System
ss	Space Segment
SS&A	Space Systems And Applications
SSA	Space Suit Assembly
SSA	Shuttle Simulation Aircraft
SSAT	SPace Shuttle Access Tower (now FSS)
SSBUV	shuttle solar backscatter ultraviolet (radiometer)
SSC	Shuttle System Contractor
SSCB	Space Station Control Board

SSCC	Space Station Control Center
SSCHS	Space Shuttle Cargo Handling System
SSCL	Shuttle System Commonality List
SSCSP	Space Shuttle Crew Safety Panel
SSD	Spacecraft Software Divisionsion
ssdf	Space Science Development Facility
SSDS	Space Station Data System
SSE	Space Support Equipment
SSEOS	Space Shuttle Engineering and Operations Support
SSF	Space Station Freedom
SSFGSS	Space Shuttle Flight and Ground System Specification
SSFL	Santa Susana Field Laboratory
SSFP	Space Station Freedom Program
SSGSR	Springer Verlag Springer Series on Group Geophysics Space Research
SSI	Space Science Instrumentation
SSIBD	Shuttle System Interface Block Diagram
SSIP	Shuttle Student Involvement Project
SSIS	Space Station Information System
SSITP	Shuttle System Integrated Test Plan
SSLV	Standard Small Launch Vehicle
SSM/I	Special Sensor Microwave/Imager
SSMB	Space Shuttle Maintenance Baseline
SSME	Space Shuttle Main Engine
SSMEC	Space Shuttle Main Engine Controller
SSMTF	Space Station Man-Systems Training Facility
SSO	Space Shuttle Orbiter
SSOP	Space Systems Operating Procedure(s)
SSP	Surface Science Packages
Ssp	Space Station Program
SSP	Space Shuttle Program
ssp	Subsolar Point
SSPC	Spacelab Stored Program Command
SSPD	Shuttle System Payload Description
SSPD	Shuttle System Payload Data
SSPD	Shuttle System Payload Definition (Study)
SSPDA	Space Shuttle Payload Data Activity
SSPDS	Space Shuttle Payload Data Study
SSPF	Space Station Processing Facility
SSPGSE	Space Shuttle Program Ground Support Equipment
SSPM	Space Shuttle Program Manager
SSPO	Space Shuttle Program Office
SSPP	Space Station Program Participant
SSPPSG	Space Shuttle Payload Planning Steering Group
SSPRO	Space Shuttle Program Resident Office
SSPRv	Space and Solar Power Review
ssps	Solar Satellite Power Station
SSPS	Space Shuttle Program Schedule
SSRMS	Space Station Remote Manipulator System
ssrv	Space Science Reviews
sss	Spinning Sun Sensor

SSSS	Space Shuttle System Specification
Ssst	Space Station System Trainer
SST	Spacecraft Systems Test
sst	Space Surveillance and Tracking
SSTC	Space Shuttle Test Conductor
SSTF	Space Station Training Facility
SSTO	Single-Stage-to-Orbit
SSTS	Space Surveillance and Tracking System
SSUS	Spinning Solid Upper Stage
SSUSP	Spinning Solid Upper Stage Project
SSV	Space Shuttle Vehicle
ST	Space Telescope
ST	Star Tracker
ST	Spacelab Technology
STA	Shuttle Training Aircraft
STACC	Standard Telemetry And Communications Component
STAG	Shuttle Turnaround AnalYsis Group
STAR	Shuttle Turnaround Analysis Report
STATS	star tracker alignment test set
STBE	Space Transportation Booster Engine
STC	Space Technology Center
STC	Satellite Test Center
STC	Spacecraft Test Conductor
stdn	Spacecraft Tracking and Data Network
SteRe	Steward Observatory Reprints
STERJ	Solar, Terrestrial and Environmental Research Japan
STF	Satellite Test Facility
STICA	Space Technology Industrial and Commercial Applications
STL	Space Technology Laboratories
StMaP	Studies in Mathematical Physics
STME	Space Transportation Main Engine
STO	Solar Terrestrial Observatory
STP	Space Test Program
STP	Space Technology Payload
STP	Space Test Payload
STP	Shuttle Technology Panel
STP	Solar-Terrestrial Physics
STS	Shuttle Test Station
STS	Space Transportation System
STSCI	Space Telescope Science Institute
StSky	Star Sky
STSS	Space Tracking and Surveillance System
SUMC	Space Ultrareliable Modular Computer
SUMS	Shuttle Upper Atmosphere Mass Spectrometer
SUSIM	Solar Ultraviolet Spectral Irradiance Monitor
SUVSR	Scandinavian Union of Amateur Astronomers Variable Star Section
SV	Shuttle Vehicle
SV	Space Vehicle
sva	Soviet Astronomy
SVA&C	Shuttle Vehicle Assembly And Checkout

SVAB	Shuttle Vehicle Assembly Building
SVAC	Shuttle Vehicle Assembly And Checkout (Facility)
SVAL	Soviet Astronomy Letters
SVB	Shuttle Vehicle Booster
SVB	Space Vehicle Booster
SVO	Space Vehicle Operations (KSC Dir.)
SVPCS	Springer Verlag Springer Series on Physics Chemistry Space
SvPhA	Soviet Physics Astronomy
SW	Solar Wing
swan	Solar Wind ANisotropy
SWAS	Submillimeter Wave Astronomy Satellite
SydOP	Sydney Observatory Papers
TACSATCOM	Tactical Satellite Communications
TALAR	tactical approach and landing radar
TAUVEX	Tel Aviv University Ultraviolet Explorer
tdrs	Tracking and Data Relay Satellites
TDRSS	Tracking and Data Relay Satellite System
TDS	Technology Demonstration Satellite
TEA	Torque Equilibrium Attitude
TecRv	Technology Review
tecu	Technology and Culture
TFI	Time from Ignition
TFL	Time from Launch
TFS	Telemetry Format Selection
TGs	Telemetry Ground System
TGS	Telemetry Ground Station
TGSE	Telemetry Ground Support Equipment
ThAst	Theoretical Astrophysics
THEL	Tactical High Energy Laser
THEMIS	Time History of Events and Macroscale Interactions during Sunstorms
TIFS	Total In-Flight Simulator
TIG	time of ignition
TIROS	Television InfraRed Observation Satellite (POES)
TIUCS	Transactions of the International Union for Cooperation in Solar Research
TKSC	Tsukuba Space Center
TMG	Thermal Meteoroid Garment
TMR	TOPEX Microwave Radiometer (EOS)
TNO	Trans-Neptunian Object
TOI	Transfer Orbit Insertion
TokAB	Tokyo Astronomical Bulletin
TokRe	Tokyo Astronomical Observatory Reprints
TOS	Transfer Orbit Stage
TOW	Tank and Orbiter Weight
TOYal	Transactions of the Astronomical Observatory of Yale University
Tp	Time to Perigee
tr	Teleoperator Retrieval
TR	time to retrofire
TR/SBS	Teleoperator Retrieval/Skylab Boost System
TT&C	Tracking, Telemetry, and Command
TT&C	Telemetry, Tracking and Communications

TTA	Time to Apogee
TTC	Telemetry Telecommand and Control
TTP	Time to Perigee
TUASB	Tokyo University Institute of Space and Aeronautical Science Bulletin
TUASR	Tokyo University Institute of Space and Aeronautical Science Report
UARS	Upper Atmosphere Research Satellite (NASA)
UCLAP	University of California Los Angeles - Astronomical Papers
UFO	Unidentified Flying Object
UIT	Ultraviolet Imaging Telescope
ulas	Union List of Astronomy Serials
ULV	Unmanned Launch Vehicle
UNOOSA	United Nations Office for Outer Space Affairs
UNPSA	United Nations Programme on Space Applications
UNSC	United Nations Space Command
UOSAT	Universityrsity of Surrey Satellite
UppAn	Uppsala Astronomical Observatory Annals
UppOR	Uppsala Astronomical Observatory Reports
UPS	Upright Perigee Stage
USA	United Space Alliance
USASATCOMA	United States Army Satellite and Communication Agency
USASDG	United States Army Space Defense Group
USNOC	United States Naval Observatory Circulars
USNOR	United States Naval Observatory Reports
usoc	Unified System Orbit Computation
USRA	Universities Space Research Association
UVF	Unmanned Vertical Flight
VAB	Vertical Assembly Building
VatOP	Vatican Observatory Publications
VFI	Verification Flight Instituteumentation
VFR	Visual Flight Rule
VFT	Verification Flight Test
VGRF	Variable-Gravity Research Facility
VHAA	Very High Altitude Abort
VilCo	Villanova University Observatory Contributions
VISTAR	visible space tracking and reconnaissance
VLPS	Vandenberg Launch Processing System
VLS	Vertical Launch System
VOIR	Venus Orbiting Imaging Radar
VPC	Vapor Phase Compression
VRM	Venus Radar Mapper
VSOLB	Variable Star Observers League in Japan - Bulletin
VSSCi	Variable Star Section Circulars
VSSRe	Variable Star Section Reprints
VSSSC	Variable Star Section Special Circulars
VSTAG	Vandenberg Shuttle Turnaround AnalYsis Group
VTF	Vertical Test Flight
VTS	Vandenberg Tracking Station (AFSCN)
VVORe	Van Vleck Observatory Reprints
WasOA	Washburn Observatory Astrophysics
WCSAR	Wisconsin Center for Space Automation and Robotics

WilOO	Williamstown Observatory Observations
WinAR	Windsor Observatory Annual Report
WIRE	Wide-Field Infrared Explorer
WISE	Wide-Field Infrared Survey Explorer
WOMBAT	Wavelength-Oriented Microwave Background Analysis Team
WroRe	Wroclaw Astronomical Observatory Reprints
WSMC	Western Space and Missile Center
WSMCR	Western Space and Missile Center Regulation
WSMCR	Western Space and Missile Center Range
WUPPE	Wisconsin Ultraviolet Photopolarimeter Experiment
XEUS	X-Ray Evolving Universe Spectroscopy Mission