| Acronym
| Definition
|
| 1P
| Progress flight
|
| 1S
| Soyuz flight
|
| AC
| Assembly Complete
|
| ACU
| Arm Control Unit
|
| ARC
| Ames Research Center
|
| ARIS
| Active Rack Isolation System
|
| ATCS
| Active Thermal Control System
|
| atm
| Atmospheres
|
| ATV
| Automated Transfer Vehicle, launched by Ariane [ESA]
|
| ATV-CC
| Automated Transfer Vehicle Control Centre
|
| BCA
| Battery Charging Assembly
|
| BCDU
| Battery Charge Discharge Unit
|
| BSA
| Battery Stowage Assembly
|
| CBM
| Common Berthing Mechanism
|
| CC
| Control Center
|
| CCAA
| Common Cabin Air Assembly
|
| CCC
| Contaminant Control Cartridge
|
| CDRA
| Carbon Dioxide Removal Assembly
|
| CETA
| Crew and Equipment Translation Aid/Assembly
|
| CEV
| Crew Exploration Vehicle
|
| CEVIS
| Cycle Ergometer with Vibration Isolation System
|
| CHeCS
| Crew Health Care System
|
| CMG
| Control Moment Gyroscope
|
| CMRS
| Crew Medical Restraint System
|
| CMS
| Countermeasures System
|
| CNES
| Centre National D’Études Spatiales [French space agency]
|
| COF
| Columbus Orbital Facility
|
| COL-CC
| Columbus Control Centre
|
| COTS
| Commercial Orbital Transportation Services
|
| CPDS
| Charged Particle Directional Spectrometer
|
| CRPCM
| Canadian Remote Power Controller Module
|
| CSA
| Canadian Space Agency
|
| CTB
| Cargo Transfer Bag
|
| CWC
| Contingency Water Container
|
| DC
| Docking Compartment;
|
| Direct
| Current
|
| DCSU
| Direct Current Switching Unit
|
| DDCU
| DC-to-DC Converter Unit
|
| DDT&E
| Design, Development, Test, and Evaluation
|
| DLR
| German Aerospace Center
|
| DMS
| Data Management System
|
| DOS
| Long-Duration Orbital Station [Russian]
|
| EADS
| European Aeronautic Defence and Space Company
|
| ECLSS
| Environmental Control and Life Support System
|
| ECS
| Exercise Countermeasures System
|
| ECU
| Electronics Control Unit
|
| EDR
| European Drawer Rack
|
| EDV
| Water Storage Container [Russian]
|
| EF
| Exposed Facility
|
| EHS
| Environmental Health System
|
| ELC
| Express Logistics Carrier
|
| ELM
| Experiment Logistics Module
|
| EMU
| Extravehicular Mobility Unit
|
| EPM
| European Physiology Module
|
| EPS
| Electrical Power System
|
| ERA
| European Robotic Arm
|
| ESA
| European Space Agency
|
| ESTEC
| European Space Research and Technology Centre
|
| ETC
| European Transport Carrier
|
| EVA
| Extravehicular Activity
|
| ExPCA
| EXPRESS Carrier Avionics
|
| EXPRESS
| Expedite the Processing of Experiments to the Space Station
|
| FGB
| Functional Cargo Block
|
| FRAM
| Flight Releasable Attachment Mechanism
|
| FRGF
| Flight Releasable Grapple Fixture
|
| FSA
| Roscosmos, Russian Federal Space Agency
|
| FSL
| Fluid Science Laboratory
|
| GASMAP
| Gas Analyzer System for Metabolic Analysis Physiology
|
| GB
| Gigabyte
|
| GCM
| Gas Calibration Module
|
| GCTC
| Gagarin Cosmonaut Training Center
|
| GN&C
| Guidance, Navigation, and Control
|
| GLONASS
| Global Navigation Satellite System [Russian]
|
| GPS
| Global Positioning System
|
| GRC
| Glenn Research Center
|
| GSC
| Guiana Space Center
|
| HMS
| Health Maintenance System
|
| HRF
| Human Research Facility
|
| HTV
| H-II Transfer Vehicle [JAXA]
|
| IBMP
| Institute for Biomedical Problems
|
| ICC
| Integrated Cargo Carrier
|
| ICS
| Internal Communications System
|
| IEA
| Integrated Equipment Assembly
|
| IRU
| In-flight Refill Unit
|
| ISPR
| International Standard Payload Rack
|
| ISS
| International Space Station
|
| ITA
| Integrated Truss Assembly
|
| ITS
| Integrated Truss Structure
|
| IV-CPDS
| Intravehicular Charged Particle Directional Spectrometer
|
| JAXA
| Japan Aerospace Exploration Agency
|
| JEM
| Japanese Experiment Module
|
| JEM-ELM
| Japanese Experiment Module-Experiment Logistics Module
|
| JEM-ELM-EF
| Japanese Experiment Module-Experiment Logistics 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
|
| JSC
| Johnson Space Center
|
| kgf
| Kilogram Force
|
| kN
| Kilonewton
|
| KSC
| Kennedy Space Center
|
| lbf
| Pound Force
|
| LF
| Logistics Flight
|
| LiOH
| Lithium Hydroxide
|
| LSS
| Life Support Subsystem
|
| Mb
| Megabit
|
| MBS
| Mobile Base System
|
| MBSU
| Main Bus Switching Unit
|
| MCC
| Mission Control Center
|
| MDM
| Multiplexer-Demultiplexer
|
| MELFI
| Minus Eighty-Degree Laboratory Freezer for ISS
|
| MGBX
| Microgravity Science Glovebox
|
| MLE
| Middeck Locker Equivalent
|
| MLM
| Multipurpose Laboratory Module
|
| MMOD
| Micrometeoroid/Orbital Debris
|
| MMU
| Mass Memory Unit
|
| MOC
| MSS Operations Complex
|
| MPLM
| Multi-Purpose Logistics Module
|
| MSFC
| Marshall Space Flight Center
|
| MSS
| Mobile Servicing System
|
| MT
| Mobile Transporter
|
| NASA
| National Aeronautics and Space Administration
|
| NAVSTAR
| Navigation Signal Timing and Ranging [U.S. satellite]
|
| NPO
| Production Enterprise [Russian]
|
| NTO
| Nitrogen Tetroxide
|
| NTSC
| National Television Standards Committee
|
| OMS
| Orbital Maneuvering System
|
| OGS
| Oxygen Generation System
|
| ORU
| Orbital Replacement Unit
|
| OVC
| Oxygen Ventilation Circuit
|
| P1,
| P6, etc. Port trusses
|
| PCAS
| Passive Common Attach System
|
| PDA
| Payload Disconnect Assembly
|
| PDGF
| Payload Data Grapple Fixture
|
| PLSS
| Primary Life Support System
|
| PM
| Pressurized Module
|
| PMA
| Pressurized Mating Adapter
|
| POC
| Payload Operations Center; Primary Oxygen Circuit
|
| PROX
| OPS Proximity Operations
|
| PSA
| Power Supply Assembly
|
| PSC
| Physiological Signal Conditioner
|
| PTCS
| Passive Thermal Control System
|
| PVGF
| Power Video Grapple Fixture
|
| PVR
| Photovoltaic Radiator
|
| RED
| Resistive Exercise Device
|
| RGA
| Rate Gyro Assembly
|
| RM
| Research Module
|
| RMS
| Remote Manipulation, Manipulator System
|
| RPC
| Remote Power Controller
|
| rpm
| Revolutions Per Minute
|
| ROEU-PDA
| Remotely Operated Electrical Umbilical-Power Distribution Assembly
|
| RPCM
| Remote Power Controller Module
|
| RSC
| Rocket and Space Corporation
|
| RV
| Reentry Vehicle
|
| S&M
| Structures and Mechanisms
|
| S0
| or S Zero, Starboard trusses S1, etc.
|
| SARJ
| Solar (Array) Alpha Rotation Joint
|
| SAFER
| Simplified Aid for EVA Rescue
|
| SASA
| S-Band Antenna Structural Assembly
|
| SAW
| Solar Array Wing
|
| SFOG
| Solid Fuel Oxygen Generator
|
| SFP
| Space Flight Participant
|
| SGANT
| Space-to-Ground Antenna
|
| SM
| Service Module
|
| SPDM
| Special Purpose Dexterous Manipulator
|
| SS
| Space Shuttle
|
| SSA
| Space Suit Assembly
|
| SSIPC
| Space Station Integration and Promotion Center
|
| SSRMS
| Space Station Remote Manipulator System
|
| SSU
| Sequential Shunt Unit
|
| STS
| Space Transportation System
|
| TCS
| Thermal Control System
|
| TDRS
| Tracking and Data Relay Satellite
|
| TEPC
| Tissue Equivalent Proportional Counter
|
| TKS
| Orbital Transfer System
|
| TKSC
| Tsukuba Space Center
|
| TMA
| Transportation Modified Anthropometric
|
| TMG
| Thermal Micrometeoroid Garment
|
| TNSC
| Tanegashima Space Center
|
| TORU
| Progress Remote Control Unit [Russian]
|
| TSC
| Telescience Support Center
|
| TSS
| Temporary Sleep Station
|
| TSUP
| Moscow Mission Control
|
| TVIS
| Treadmill Vibration Isolation System
|
| UDMH
| Unsymmetrical Dimethylhydrazine
|
| UF
| Utilization Flight
|
| UHF
| Ultra-High Frequency
|
| ULF
| Utilization and Logistics Flight
|
| UMA
| Umbilical Mating Assembly
|
| USOC
| User Support and Operations Centre
|
| VDC
| Voltage, Direct Current
|
| VDU
| Video Distribution Unit
|
| VOA
| Volatile Organic Analyzer
|
| WRS
| Water Recovery System
|
| Z1
| Zenith 1, a truss segment
|
