NASA Abbreviations and Acronyms

1. APS
   Automatic Processing System
2. APS
   Aft Propulsion System
3. APS
   Auxiliary Propulsion System
4. APS
   Automated Planning System
5. APS
   Acquisition Processor Subsystem
6. ASR
   Air/Sea Rescue
7. ASR
   Avionic System Review
8. ASRE
   American Society of Refrigerating Engineers
9. ATU
   Audio Terminal Unit
10. B
    Body
11. B&O
    Breakout
12. B&O
    booster/orbiter
13. B&O
    Burnout
14. BCWP
    Budgeted Cost of Work Performed
15. BCWP
    budget costs for work performed
16. BCWS
    Budgeted Cost of Work Scheduled
17. BCWS
    budgeted cost for work scheduled
18. BCWS
    Budget Costs for Work Scheduled
19. C
    Centigrade
20. C
    Command

Last updated: May 6, 2025 — Total entries: 14,020