Acronyms
- AM
- Airlock Module; also Amplitude Modulation.
- APCS
- Attitude and Pointing Control System.
- ASMU
- Automatically Stabilized Maneuvering Unit.
- ATM
- Apollo Telescope Mount.
- ATMDC
- Apollo Telescope Mount Digital Computer.
- BMMD
- Body Mass Measurement Device.
- CM
- Command Module.
- CMC
- Command Module Computer.
- CMG
- Control Moment Gyro.
- COAS
- Crewman Optical Alignment Sight.
- CS
- Crew Station.
- CSM
- Command and Service Module.
- DA
- Deployment Assembly.
- DAC
- Data Acquisition Camera.
- db
- Decibel.
- DCS
- Digital Command System.
- DNA
- Deoxyribonucleic Acid.
- DSKY
- Display Keyboard.
- DT
- Delayed Time.
- ECS
- Environmental Control System.
- EEG
- Electroencephalogram.
- EPS
- Electrical Power System.
- EREP
- Earth Resources Experiment Package.
- ESS
- Experiment Support System.
- EVA
- Extravehicular Activity.
- FAS
- Fixed Airlock Shroud.
- FM
- Frequency Modulation.
- GMT
- Greenwich Mean Time.
- GSFC
- Goddard Space Flight Center.
- HCO
- Harvard College Observatory.
- HHMU
- Hand Held Maneuvering Unit.
- HSS
- Habitability Support System.
- IU
- Instrument Unit.
- IVA
- Intravehicular Activity.
- JSC
- Johnson Space Center.
- KSC
- Kennedy Space Center.
- LO
- Liftoff.
- LSU
- Life Support Umbilical.
- LV
- Launch Vehicle.
- MCC
- Mission Control Center.
- MDA
- Multiple Docking Adapter.
- MSFC
- Marshall Space Flight Center.
- NASA
- National Aeronautics and Space Administration.
- NRI
- Naval Research Laboratory.
- OMSF
- Office of Manned Space Flight.
- OWS
- Orbital Workshop.
- PCM
- Pulse Code Modulation.
- PI
- Principal Investigator.
- PS
- Payload Shroud.
- RNA
- Ribonucleic Acid.
- RPM
- Revolutions Per Minute, also Roll Positioning Mechanism.
- SAL
- Scientific Airlock.
- SAS
- Solar Array System.
- S/C
- Spacecraft.
- SL
- Skylab.
- SM
- Service Module.
- STDN
- Spacecraft Tracking and Data Network.
- TACS
- Thruster Attitude Control System.
- TCS
- Thermal Control System.
- TM
- Telemetry.
- TV
- Televison.
- UV
- Ultraviolet.
- VHF
- Very High Frequency.