Space Station >> Space Station Abbreviations

Space Station Abbreviations


AACS: Attitude & Articulation Control Subsystem.
AAF: AAF: Association Astronautique Francaise.
AAS: American Astronautical Society.
ABL: Allegheny Ballistics Laboratory.
ABMA: Army Ballistic Missile Agency (USA).
ACS: Attitude Control System.
AIAA: American Institute of Aeronautics and Astronautics (USA).
AIDAA: Associazione Italiana di Aeronautica e Astronautica.
ALSEP: Apollo Lunar Surface Experiment Package
AOCS: Attitude & Orbit Control System
ARS: American Rocket Society (USA).
ASAT: Anti-satellite
ATDA: Agena Target Docking Adapter


BIS: British Interplanetary Society.
BOL: Beginning Of Life.
BD: Binary digit.


CAS: Chinese Academy of Sciences.
CAST: Chinese Academy of Space Technology.
CAT: Capsule Ariane Technologique.
CCD: Charged Coupled Device.
CDS: Command & Data Subsystem.
CEO: Close Earth Orbit.
CETI: Communication with Extra-Terrestrial Intelligence
CM: Command Module.
CNES: Centre National d'Etudes Spatiales (France).
CO: Circular Orbit.
COSPAR: The Committee on Space Research (established October 1958).
CSA: Chinese Society of Astronautics.
CSAA: Chinese Society of Aeronautics and Astronautics.
CSM: Command/Service Module.


DC: Direct Current
Delta V: Difference or change in velocity
DGLR: Deutsche Gesellschaft fur Luft-und Raumfahrt
DOD: Department of Defense (USA).
DOF: Degrees Of Freedom.
DSN: Deep Space Network.


ECM: Electromagnetic Countermeasures.
EDT: Eastern Daylight Time.
EELV: Evolved Expendable Launch Vehicle.
ELDO: European Launcher Development Organization
ELV: Expendable Launch Vehicle.
EMU: Extravehicular Mobility Unit.
EOL: End Of Life
ESA: European Space Agency
ESMC: Eastern Space and Missile Center.
EST: Eastern Standard Time
EVA: Extravehicular Activity


FOBS: Fractional Orbit Bombardment System.
FOV: Field Of View.
FY: Fiscal Year


GALCIT: Guggenheim Aeronautical Laboratory of the California Institute of Technology.
GATV: Gemini-Agena Target Vehicle
GE: General Electric Company of the USA.
GEO: Geostationary Orbit. Also abbreviated GO.
GH2: Gaseous Hydrogen
GHz: Gigahertz, equal to one billion hertz
GMT: Greenwich Mean Time.
GN&C: Guidance, Navigation and Control.
GO: Geostationary Orbit. Also abbreviated GEO.
GOX: Gaseous Oxygen
GSFC: Goddard Space Flight Center (Greenbelt, Maryland).
GSO: Geosynchronous Orbit.
GTO: Geostationary Transfer Orbit.


H2O2: Hydrogen Peroxide
HGA: High-Gain Antenna.
HTP: High Test Peroxide.
HTPB: Hydroxy-terminator polybutadiene.


IAA: Indian Astronautical Association.
IAA: International Academy of Astronautics (established August 1960).
IAF: International Astronautical Federation (formally inaugurated 1951).
IC: Integrated Circuit.
ICBM: Inter-Continental Ballistic Missile (range >5,500 km).
IGY: International Geophysical Year (1957-58).
IMU: Inertial Measurement Unit.
IR: Infrared.
IRBM: Intermediate Range Ballistic Missile (range 2,400-5,500 km).
IRFNA: Inhibited Red Fuming Nitric Acid
ISAS: Institute of Space and Aeronautical Science
ISP: Specific Impulse. Also abbreviated SI.
ISRO: Indian Space Research Organization.
IWFNA: Inhibited White Fuming Nitric Acid


JAXA: Japan Aerospace Exploration Agency
JPL: Jet Propulsion Laboratory
JSC: Johnson Space Center (Houston, Texas).


KHz: Kilohertz, equal to 1,000 Hertz.
KSC: Kennedy Space Center (Florida).
KT: Kilotonne, equal to 1,000 tonnes.


LC: Launch Center.
LEO: Low Earth Orbit.
LGA: Low-Gain Antenna.
LH2: Liquid Hydrogen.
LiOH: Lithium Hydroxide
LM: Lunar Module.
LO2: Liquid Oxygen. Also abbreviated LOX.
LOI: Lunar Orbit Insertion
LOX: Liquid Oxygen. Also abbreviated LO2.
LRBM: Long Range Ballistic Missile.
LRV: Lunar Roving Vehicle.
LT: Launch Time.
LV: Launch Vehicle


MeV: One million electron volts.
MHz: Megahertz, equal to one million hertz.
MMH: Monomethyl Hydrazine
MMU: Manned Maneuvering Unit.
MRBM: Medium Range Ballistic Missile
MSFC: Marshall Space Flight Center
MT: Megatonne, equal to 1 million tonnes.
MT: Moscow Time.


N2O4: Nitrogen Tetroxide. Also abbreviated NTO
NAL: National Aerospace Laboratory of Japan.
NASA: National Aeronautics and Space Administration.
NASDA: National Space Development Agency (Japan).
NiCd: Nickel Cadmium
NORAD: North American Air Defense Command (USA).
NRC: National Research Council (USA).
NTO: Nitrogen Tetroxide. Also abbreviated N2O4.


OMS: Orbital Maneuvering System.
OTM: Orbit Trim Maneuver.
OTRAG: Orbital Transport- und Raketen- Atktiengesellsschaft.
OWLT: One-Way Light Time.


P & W: Pratt and Whitney (USA).
PBAN: Polybutadiene acrylic acid acrylonitrile.
PDT: Pacific Daylight Time
PLSS: Portable Life Support System.
PO: Polar Orbit.
Ppm: Parts per million
PST: Pacific Standard Time.
PTC: Passive Thermal Control.


Quasars: Quasi-stellar objects


RCS: Reaction Control System.
RD: Reaktivnyi Dvigatel.
Rem: Roentgen Equivalent Man
RF: Radio Frequency.
RFNA: Red Fuming Nitric Acid
RLV: Reusable Launch Vehicle
RTG: Radioisotope Thermoelectric Generator.
RTLT: Round-Trip Light Time.
RV: Reentry Vehicle.


SAR: Synthetic Aperture Radar.
SCADA: Supervisory Control and Data Acquisition
SEP: Societe Europeene de Propulsion (France).
SETI: Search for Extra-Terrestrial Intelligence.
SIS: Satellite Interceptor System.
SL: Sea Level.
SLBM: Submarine Launched Ballistic Missile.
SM: Service Module.
SRB: Solid Rocket Booster
SRBM: Short Range Ballistic Missile (range <800 km>).
SRC: Science Research Council (UK).
SSO: Sun-Synchronous Orbit.
SSPO: Sun-Synchronous Polar Orbit


TCM: Trajectory Corrective Maneuver.
TEI: Trans-Earth Injection.
TLI: Trans-Lunar Injection.
TNT: Trinitrotoluene, a high explosive
TT&C: Tracking, Telemetry and Command.
TVC: Thrust Vector Control.


UDMH: Unsymmetrical Dimethyl Hydrazine
UHF: Ultrahigh Frequency
UT: Universal Time.
UTC: United Technologies Corporation
UTC: Universal Time Coordinated.
UV: Ultraviolet


VFR: Verein fur Raumschiffahrt e. V. (Germany).
VHF: Very High Frequency
VLBI: Very Long Baseline Interferometer


WFNA: White Fuming Nitric Acid


XUV: eXtreme UltraViolet
XPI: X-ray Polarimeter Instrument
XMM: X-ray Multi-mirror Mission


YSO: Young Stellar Object
YSG: Yellow Super Gaint Star


ZHR: Zenith Hourly Rate
ZAMS: Zero Age Main Sequence