NASA Abbreviations and Acronyms

1. BASS
   Backup Avionics System Software
2. BATE
   Base Activation Test Equipment
3. CHX
   Cabin Heat Exchanger
4. COSM
   checkout servicing and maintenance
5. CSPF
   Critical Single-Point Failure
6. CSSR
   Cost/Schedule Status Report
7. PCZ
   Physical Control Zone
8. SES
   Senior Executive Service
9. SES
   Shuttle Engineering Simulation
10. SES
    Special Emphasis Study
11. SIO
    Serial Input/output
12. SIO
    Systems Integration Office
13. T/A
    Turnaround
14. TRR
    Test Readiness Review
15. V
    Voice
16. V
    Vehicle
17. V
    Vertical Polarization
18. V
    Vent
19. V
    View
20. V
    Volts

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