Space Abbreviations and Acronyms

1. OSRS
   Opticaf Solar Reflectors
2. OSS
   Office for Strategic Spaccs
3. OSS
   Office of Space Scienzes
4. OSS
   Optics Subsystems
5. OSS
   Orbiting Space Station
6. OSS
   Office of Space Sciences
7. OSSA
   Office of Space Science and Applications
8. OSSA
   Office of Space Sciences and Applications
9. OST
   Observation Schzdule Tool
10. OST
    Orion Systems Timeline
11. OST
    Orbiter SuPport Trolley
12. OSTA
    Office of Space and Terresfrial Application
13. OSTA
    Office of Space and Terrestrial Applications (US NASA; now OAST)
14. OSTDA
    Office of Space Traeking and Data Acquisition
15. OSTDS
    Office of Space Tracking and Data Systems (NASA)
16. OSTO
    Office of Space Transportation Operations
17. OSTP
    Orbiting System Test Plan
18. OSTS
    Office of Space Transportation Systems
19. OSW
    Ocean Swell Spectra
20. OT
    Overall Test

Last updated: August 3, 2021 — Total entries: 12,486