Spaceflight Abbreviations and Acronyms

1. SPOC
   Shuttle Portable on-Board Computer
2. SIT
   Shuttle Integrated Test
3. SIT
   Shuttle Interface Test
4. CCRS
   Canada Centre for Remote Sensing
5. NAS
   National Airspace System
6. SIP
   strain isolation pad
7. SSS
   Spinning Sun Sensor
8. SIR
   Shuttle Imaging Radar
9. MARS
   Manned Astronautical Research Station
10. SSV
    Space Shuttle Vehicle
11. STS
    Space Transportation System
12. STS
    Shuttle Test Station
13. ASSESS
    Airborne Science Shuttle Experiments System Simulation
14. Path
    Postflight Attitude and Trajectory History
15. sems
    Space Environment Monitor System
16. sspm
    Space Shuttle Program Manager
17. SPP
    Solar Physics Payload
18. SPP
    Simulation Planning Panel
19. ALSA
    astronaut life support assembly
20. COSPAR
    Committee on Space Research (ICSU)

Last updated: May 24, 2020 — Total entries: 1,156