| AASEM | Assembly of Station by EVA Methods |
| ACCESS | Assembly Concept for Construction of Erectable Space Structure |
| ACS | Advanced Camera for Surveys |
| ACTS | Advanced Communications Technology Satellite |
| AERCam Sprint | Autonomous EVA Robotic Camera/Sprint |
| AFB | Air Force Base |
| AIUS Agroresurs | Avtomatizirovannaya Informatsionno-Upravlencheskaya Sistema Agroresurs (Automatic Information Direction System Agroresurs) |
| Almaz | Codename for a Soviet military space station |
| ALSEP | Apollo Lunar Scientific Experiment Package |
| AMN | Akademiya Meditsinskikh Nau = Academy of Medical Sciences |
| AMOS | Air Force Maui Optical System |
| AMS | Alpha Magnetic Spectrometer |
| AMU | Astronaut Maneuvering Unit |
| AN | Akademiya Nauk = Academy of Sciences (of the USSR) |
| AO Gazkom | Aktsionernoye Obshchestvo Gazkom = Joint Stock Company Gazkom |
| APM | Atmospheric Particle Monitor |
| ASA/T | Advanced Suborbital Astronaut Trainee |
| ASCS | Automatic Stabilization and Control System |
| ASI | Agenzia Spaziale Italiana = Italian Space Agency |
| ASSR | Autonomous Soviet Socialist Republic |
| ASTP | Apollo Soyuz Test Project |
| AT&T | American Telephone & Telegraph Corporation |
| ATDA | Augmented Target Docking Adapter |
| ATLAS | Atmospheric Laboratory for Applications and Science |
| ATM | Apollo Telescope Mount |
| ATO | Abort To Orbit |
| ATV | Automated Transfer Vehicle |
| B.S. | Bachelor of Science |
| B.S.E. | Bachelor of Science in Engineering |
| BBC | British Broadcasting Corporation |
| BBXRT | Broad Band X-Ray Telescope |
| CapCom | Capsule Communicator, now: Spacecraft Communicator |
| CANEX | Canadian experiments |
| CBOSS | Cellular Biotechnology Operations Support System |
| CDR | Commander |
| CEO | Crew Earth Observations |
| CERN | European Organization for Nuclear Research |
| CETA | Crew and Equipment Translation Aid |
| CFES | Continuous Flow Electrophoresis System |
| CMG | control moment gyroscope |
| CMP | Command Module Pilot |
| CNES | Centre National de Etudes Spatiales = French Space Agency |
| COLA | Collision Avoidance Maneuver |
| COSTAR | Corrective Optics Space Telescope Axial Replacement |
| CRISTA | Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere |
| CRO | Chemical Release Observation |
| CSA | Canadian Space Agency |
| CSM | Command & Service Module |
| DAFT | The Dust and Aerosol Measurement Feasibility Test |
| DASA | DaimlerChrysler Aersospace Corporation |
| DIU | Data Interface Unit |
| DLR | German Aerospace Center |
| DMP | Docking Module Pilot |
| DoD | Department of Defence |
| DOSAAF | Dobrovolnoye Obshchestvo Sodeistviya Armii, Aviatsii i Flotu = Free Will Society for the Support of the Army, Aviation and Fleet |
| DSCS | Defense Satellite Communications System |
| D.V.M. | Doctorate of Veterinary Medicine |
| DVO | Dalnevostochny Voyenny Okrug = (Far East Military District) |
| DXS | Diffuse X-Ray Spectrometer |
| EAC | European Astronaut Center |
| EASE | Experimental Assembly of Structures in Extravehicular Activity |
| EASEP | Early Apollo Scientific Experiment Package |
| EDFT | EVA Development Flight Tests |
| ELC | EXPRESS Logistics Carrier |
| EO | Ekspeditsiya Osnovnaya (Main Expedition) |
| EOM | Earth Observation Mission |
| EPAS | Eksperimentalny Polyot Apollon-Soyuz = Experimental Flight Apollo-Soyuz |
| EPOS "Spiral" | Eksperimentalny Pilotiruyamy Orbitalny Samolyot Spiral = Experimental Piloted Orbital Aircraft Spiral |
| FPP | Floating Potential Probe |
| ERA | Experimental deployable structure |
| ERA | European Robotic Arm (ESA) |
| ERBS | Earth Radiation Budget Satellite |
| ESA | European Space Agency |
| ESPAD | External Stowage Platform-2 Attachment Device |
| ESLS | Redundant Sequence Launch Sequencer |
| ESP | External Stowage Platform |
| ESTEC | European Space Research and Technology Centre in Nordwijk (The Netherlands) |
| ESTR | Engineering / Science Tape Recorder |
| EURECA | European Retrievable Carrier |
| EuTEF | European Technology Exposure Facility |
| EVA | Extra Vehicular Activity |
| FE | Flight engineer |
| FGB | Functional Energy Block |
| FGS | Fine Guidance Sensor |
| FOC | Faint Object Camera |
| FOOT | Foot/Ground Reaction Forces During Spaceflight experiment |
| FOS | Faint Object Spectrograph |
| GATV | Gemini Agena target vehicle |
| GDR | German Democratic Republic |
| GHRS | Goddard High Resolution Spectrograph |
| GKNII | Gosudarstvenny Krasnoznamenny Nauchno Issledovatelsky Institut (State Red Banner Scientific Research Institute) |
| GKNPTs | Gosudarstvenny Kosmichesky Nauchno-Proizvodstvenny Tsentr (State Cosmic Research and Production Centre) |
| GLOMR | Global Low-Orbiting Message Relay |
| GLV | Gemini launch vehicle |
| GMK | Glavnaya Meditsinskaya Komissiya = Main Medical Commission |
| GMVK | Gosudarstvennaya Mezhvedomstvennaya Komissiya = State Interdepartmental Commission |
| GNTs | Gosudarstwenny Nauchny Tsentr = State Scientific Centre |
| GOGU | Glavnaya Operativnaya Gruppa Upravleniya = Main Operative Control Group |
| GPC | General Purpose Computer |
| GPS | Global Positioning System |
| GRO | Gamma Ray Observatory |
| HSP | High Speed Photometer |
| HST | Hubble Space Telescope |
| HST-SM | Hubble Space Telescope Servicing Mission |
| HUT | Hopkins Ultraviolet Telescope |
| IBSS | Infrared Background Signature Survey |
| ICBC | IMAX Cargo Bay Camera |
| ICC | Integrated Cargo Carrier |
| IES | Institut Elektrosvarki = Institute of Electric Welding |
| IIET | Institut Istorii Estestvoznaniya i Tekhniki = Institute of the History of Natural Sciences and Technology |
| IKI | Institut Kosmicheskikh Issledovany (Space Research Institute) |
| IMAX | Images maximum |
| IMBP | Institut Mediko-Biologicheskikh Problem = Institute of Medico-Biological Problems |
| IML | International Microgravity Laboratory |
| IPS | Intrument Pointing System |
| IRCFE | Infrared Communications Flight Experiment |
| IRT | Integrated Rendezvous Target |
| ISRO | Indian Space Research Organisation |
| ISS | International Space Station |
| ISS-CDR | International Space Station Commander |
| ISSI | In Space Soldering Investigation |
| ITS | Integrated Truss Segment |
| IUS/SIGINT | U.S. Air Force Inertial Upper Stage |
| IVA | Intra Vehicular Activity |
| IZMIRAN | Institut Zemnovo Magnetizma, Ionosfery i rasprostraneniya Radiovoln Akademii Nauk (Institute for Earth Magnetism, Ionosphere and Radio Propagation of the Academy of Sciences) |
| JAXA | Japan Aerospace Exploration Agency |
| JEM | Japanese Experiment Module |
| JEM EF | Japanese Experiment Module - Exposed Facility |
| JEM ELM-ES | Japanese Experiment Module - Experiment Logistics Module Exposed Section |
| JEM ELM PS | Japanese Experiment Module Experiment Logistics Module Pressurized Section |
| JEM PM | Japanese Experiment Module Pressurized Module |
| JEM RMS | Japanese Experiment Module Remote Manipulator System |
| JPL | Jet Propulsion Laboratory |
| JSC | Johnson Space Center |
| KB Salyut | Konstruktorskoye Byuro Salyut = Design Bureau Salyut, Salyut = Salutation |
| KBOM | Konstruktorskoye Byuro Obshchego Mashinostroyeniya = General Machine Building Design Bureau |
| KhAI | Kharkovsky Aviatsionny Institut (Kharkov Aviation Institute) |
| KKSZh | Kosmicheskaya Komissiya Soyuza Zhournalistov = Space Commission of the Journalist-Union (of the USSR |
| KRT | Kosmichesky Radioteleskop = Space Radio Telescope |
| KSC | Kennedy Space Center |
| KVVA | Krasnoznamennaya Voyenno-Vozdushnaya Akademiya (Red Banner Air Force Academy) |
| LAGEOS | Laser Geodynamic Satellite |
| LDEF | Long Duration Exposure Facility |
| LF | Logistics Flight |
| LGU | Leningradsky Gosudarstvenny Universitet = Leningrad State University |
| LIAP | Leningradsky Institut Aviatsionnovo Priborostroyeniya (Leningrad Institute for Aviation Instrument Building) |
| LII | Lyetno-Isslyedovatyelskiy Institut = Flying Research Institute (of MAP) |
| LITE | Lidar In-Space Technology Experiment |
| LM | Lunar Module |
| LMC | Lightweight Multi-Purpose Experiment Support Structure Carrier |
| LMI | Leningradsky Mekhanichesky Institut = Leningrad Mechanical Institut |
| LMP | Lunar Module Pilot |
| LRV | Lunar Roving Vehicle |
| LS | Laboratory Specialist |
| M.A.S. | Master of Advanced Studies |
| M.B.A. | Master of Business Administration degree |
| M.D. | Doctorate of Medicine |
| M.S. | Master of Science |
| MACE | Middeck Active Control Experiment |
| MAI | Moskovsky Aviatsionny Institut (Moscow Aviation Institute) |
| MAP | Ministerstvo Aviatsionnoi Promuishlyennosti = Ministry of Aviation Industries |
| MBS | Mobile Base System |
| MEEP | Mir Environmental Effects Payload |
| MET | Modular Equipment Transporter |
| MFMG | Miscible Fluids in Microgravity |
| MFTI | Moskovsky Fisiko-Tekhnichesky Institut (Moscow Physical-Technology Institute) |
| MGA | Ministerstvo Grazhdanskoy Aviatsii = Ministry of Civilian Aviation |
| MGPU | Moskovsky Gorodskoy Pedagogichesky Universitet (Moscow City Pedagogical University) |
| MGTU | Moskovsky Gosudarstvenny Tekhnichesky Universitet (Moscow State Technological University) |
| MGU | Moskovsky Gosudarstvenny Universitet = Moscow State University |
| MISSE | Materials International Space Station |
| MIT | Massuachusetts Institute of Technology |
| MKF | Mnogozonalny Fotoapparat = Multi Channel Camera, Multi Spectral Camera |
| MKS | Mezhdunarodnaya Kosmicheskaya Stantsiya = International Space Station |
| MLR | Monodisperse Latex Reactor |
| MMU | Manned Maneuvering Unit |
| MOL | Manned Orbiting Laboratory |
| MPEC | Multi-Purpose Release Canister |
| MPLM | Multipurpose Logistics Module |
| MRM | Mini Research Module |
| MSCA | Mir Cooperative Solar Array |
| MSE | Military Spaceflight Engineer |
| MSFC | Manned Spaceflight Center |
| MSG | Microgravity Science Glovebox |
| MSL | Microgravity Science Lab |
| MVTU | Moskovskoye Vyssheye Tekhnicheskoye Uchilishche (Moscow Higher Technological School) |
| MSP | Mission Specialist |
| NASA | National Aeronautics and Space Administration |
| NASDA | National Space Development Agency of Japan |
| NAVSPACECOM | Naval Space Command |
| NICMOS | Near Infrared Camera and Multi-Object Spectrometer |
| NIIAP | Nauchno Issledovatelsky Institut Avtomatiki i Priborostroyeniya = Scientific Research Institute of Automatics and Instrument Building |
| NORAD | North American Aerospace Defense Command |
| NPO | Nauchno Proizvodstvennoye Obedineniye (Scientific Production Association) |
| NPO Energiya | Nauchno Proizvodstvennoye Obedineniye Energiya (Scientific Production Association Energiya, Energiya = Energy) |
| NPO Kriogenmash | Nauchno Proizvodstvennoye Obedineniye Kriogenmash (Scientific Production Association Kriogenmash) |
| NPO Mash | Nauchno Proizvodstvennoye Obedineniye Mashinostroyeniya (Scientific Production Association Mashinostroyeniya, Mashinostroyeniya = Machine Building) |
| NPO Molnya | Nauchno Proizvodstvennoye Obedineniye Molniya (Scientific Production Association Molniya, Molniya = Flash) |
| NPO VISP | Nauchno Proizvodstvennoye Obedineniye Vsyosoyuznogo Proyektno-Konstruktorskogo Institut Svarochnogo Proizvodstva = Scientific Production Association named All-Union-States Project and Design Institute for Welding Production |
| NPOE | Nauchno Proizvodstvennoye Obedineniye Energiya = Scientific Production Association Energiya (since 1974 the designation of the former TsKBEM |
| NTA | Nitrogen Tank Assembly |
| OAMS | orbit attitude and maneuver system |
| OAST | Office of Aeronautics and Space Technology |
| OAST-Flyer | Office of Aeronautics and Space Technology-Flyer |
| OKB | Opytno-Konstruktorskoye Byuro (Special Design Bureau) |
| OKP | Obshchekosmicheskaya Podgotovka = General Space Training |
| OKPKI | Otraslevoy Kompleks Podgotovki Kosmonavtov-Ispytateley (Branch Complex of Test-Cosmonauts Prepearing) |
| ORFEUS | Orbiting and Retrievable Far and Extreme Ultraviolet Spectrometer |
| OSS | Office of Space Science |
| OSTA | Office of Space and Terrestical Applications |
| OSTS | Office of Space Transportation Systems |
| OTD | ORU Transfer Device |
| PAMS | Passive Aerodynamically Stabilized Magnetically-Damped Satellite |
| PAO | Priborno-agregatniy otsek = Instrument and aggregate module |
| PCG | Protein Crystal Growth |
| PCU | Power Control Unit |
| PDB | Plasma Diagnostics Package |
| PDP | Parashyutno-Desantnaya Podgotovka = Parachute Landing Training |
| Ph.D. | Doctorate of Philosphy degree |
| PLA | Peoples Liberation Army - the China military force |
| PLAAF | Peoples Liberation Army Air Force |
| PLT | Pilot |
| PMA | Pressurized Mating Adapter |
| PSP | Payload Specialist |
| PVO | Protivovozdushnaya Oborona = Anti Air Defense, Air Defense Force |
| RAN | Rossiyskaya Akademiya Nauk = Russian Academy of Sciences |
| RCA | Radio Corporation of America |
| REBA | Rechargeable EVA Battery Assembly |
| REP | Radar Evaluation Pod |
| RGNII | Rossysky Gosudarstwenny Nauchno Issledovatelsky Institut (Russian State Scientific Research Institute) |
| RKKE | Raketno-Kosmicheskaya Korporatsiya Energiya (Rocket and Spacecraft Corporation Energiya, Energiya = Energy) |
| RMS | Remote Manipulator System |
| RSC Energiya | Rocket and Spacecraft Corporation Energiya |
| RSU | Remote Sensing Units |
| RTLS | Return to Launch Site |
| RVSN | Raketnye Voiska Strategicheskogo Naznacheniya = Rocket Troops for Strategic Purpose, Strategic Rocket Force |
| RWA | Reaction Wheel Assembly |
| SADE | Solar Array Drive Electronics |
| SAFER | Simplified Aid for EVA Rescue |
| SARJ | Solar Alpha Rotary Joint |
| SBS | Satellite Business Systems |
| Sc.D. | Doctorate of Science |
| SDI | Strategic Defense Initiative |
| SEEDS | Space Exposed Experiment Developed for Students |
| SEVA | Standup-EVA |
| SFINCSS | Simulation of Flight of International Crew on Space Station |
| SFSR | Soviet Federated Socialist Republic |
| SH-DM | SPACEHAB Double-Module |
| SH-LSM | SPACEHAB Logistics Single Module |
| SLP | Spacelab Pallet |
| SLS | Spacelab Life Science |
| SMD | Shuttle Mission Development Test |
| SMDP | Service Module Debris Protection |
| SMM | Solar Maximum Mission |
| SPARTAN | Shuttle Pointed Autonomous Research Tool for Astronomy |
| SPAS | Space Pallet Satellite |
| SPD | Spool Positioning Devices |
| SPK Ikar | Sredstvo Peredvizheniya Kosmonavta Ikar = Cosmonaut Transportation Unit Ikar, Ikar = Ikarus |
| SRB | Solid Rocket Booster |
| SRL | Space Radar Laboratory |
| SRTM | Shuttle Radar Topography Mission |
| SS | Spaceplane Specialist |
| SSPTS | Station-to-Shuttle Power Transfer System |
| SSR | Solid State Recorder |
| SSR | Soviet Socialist Republic |
| STIS | Space Telescope Imaging Spectograph |
| STS | Space Transportation System |
| STU | Satellite Test Unit |
| SWIUS | Southwest Ultraviolet Imaging System |
| TAL | Transatlantic Landing |
| TANG | National Guard of Texas |
| TBS | Tokyo Broadcasting System |
| TDRS | Tracking and Data Relay Satellite |
| TKS | Transportny Korabl Snabzheniya (Transport-Supply Ship) |
| TsKBEM | Tsentralnoye Konstruktorskoye Byuro Eksperimentalnogo Mashinostroyeniya (Central Design Bureau of Experimental Machine Building) |
| TsKBM | Tsentralnoye Konstruktorskoye Byuro Mashinostroyeniya (Central Design Bureau of Machine Building) |
| TsKBMF | Tsentralnoye Konstruktorskoye Byuro Mashinostroyeniya - Fili = Central Design Bureau of Machine Building - Fili Branch |
| TsPAT | Tsentr Pokaza Aviatsionnoi Tekhniki = Show Centre of Aviation Technology |
| TsPK | Tsentr Podgotovki Kosmonavtov (Cosmonaut Training Center) |
| TSS | Tethered Satellite System |
| TsSKB | Tsentralnoye Spetsializirovannoye Konstruktorskoye Byuro Foton = Central Special Design Bureau Foton, Foton = Photon |
| TsUP | Tsentr Upravleniya Polyotam (Flight Control Center) |
| TsVNIAG | Tsentralny Voyenny Nauchno Issledovatelsky Aviatsionny Gospital = Central Military Scientific Research Aviation Hospital |
| TTM | Tip-Tilt Mirror Telescope |
| UARS | Upper Atmosphere Research Satellite |
| UCLA | University of California-Los Angeles |
| UF | Utilization Flight |
| UIT | Ultraviolet Imaging Telescope |
| ULF | Utilization and Logistics Flight |
| URI | Universalnui Rabotschi Instrument (Universal Working Tool) |
| USAF | United States Air Force |
| USCG | United States Coast Guard |
| USMC | United States Marine Corps |
| USML | United States Microgravity Laboratory |
| USMP | U.S. Microgravity Payload |
| USN | United States Navy |
| USNR | United States Navy Reserve |
| USS | United States Ship |
| UTC | Coordinated Universal Time = GMT = Greenwich Mean Time |
| VAB | Vehicle Assembly Building |
| VDU | Vynosnaya Dvigatyelnaya Ustanovka = Outer Engine Unit |
| VfW | Vereinigte Flugtechnische Werke |
| VIA | Voyenno-Inzhenernaya Akademiya (Military Engineering Academy) |
| VIAVU | Vyssheye Inzhenernoye Aviatsionnoye Voyennoye Uchilishche (Higher Military Aviation School for Engineers) |
| VKIU | Vyssheye Komandno-Inzhenernoye Uchilishche (Higher Military School for Command-Engineers) |
| VKS | Voyenno Kosmicheskiye Sily = Military Space Force |
| VMA | Voyenno Morskaya Aviatsiya = Military Marine Aviation, Navy Air Force |
| VMF | Voyenno Morskoy Flot = Military Marine Force, Navy |
| VNTsKh | Vsyosoyuznogo Nauchnogo Tsentr Khirurgi = All-Union-States Scientific Centre of Surgery |
| VTA | Voyenno Transportnaya Aviatsiya = Military Transport Aviation, Air Transport Force |
| VVA | Voyenno Vozdushnaya Akademiya = Air Force Academy |
| VVAUL | Vyssheye Voyennoye Aviatsionnoye Uchilishche Lyochikov (Higher Military Aviation School for Pilots) |
| VVIA | Voyenno Vozdushnaya Inzhenernaya Akademiya = Air Force Engineering Academy |
| VVS | Voyenno Vozdushniye Sily (Military Air Force) |
| WFPC | Wide Field Planetary Camera |
| WSF | Wake Shield Facility |
| WUPPE | Wisconsin Ultraviolet Photo-Polarimeter Experiment |
| Brig.Gen. | Brigadier General |
| Capt. | Captain |
| Col. | Colonel |
| Jr. Lt. | Junior Lieutenant |
| Lt. | Lieutenant |
| Lt. 1 | Lieutenant 1. Class |
| Lt. Cdr. | Lieutenant Commander |
| Lt. Col. | Lieutenant Colonel |
| Maj. | Major |
| Maj.Gen. | Major General |
| Sgt. | Sergeant |
| WO1 | Warrant Officer First Class |
| CW2 | Chief Warrant Officer Second Class |
| CW3 | Chief Warrant Officer Third Class |
| CW4 | Chief Warrant Officer Fourth Class |
| Brig.Gen. | Brigadier General |
| Capt. | Kapitan = Captain |
| Cdr. | Kapitan vtorogo (2.) ranga = Commander |
| Col. | Polkovnik = Colonel |
| Jr.Lt. | Mladshi Leitenant = Junior Lieutenant |
| Jr.Lt. | Starshi Leitenant = Lieutenant Junior Grade |
| Lt.1 | Starshi Leitenant = First Lieutenant |
| Lt.2 | Leitenant = Second Lieutenant |
| Lt.Cdr. | Kapitan tretyego (3.) ranga = Lieutenant Commander |
| Lt.Col. | Podpolkovnik = Lieutenant Colonel |
| Lt.Gen. | General Leitenant = Lieutenant General |
| Maj. | Maior = Major |
| Maj.Gen. | General Maior = Major General |
| Sgt. | Mladshi Serzhant = Sergeant |
| Sgt.1 | (Starshina) = Sergeant First Class |