NASA Abbreviations and Acronyms

1. PSM
   Project Safety Manager
2. PSOP
   Payload Systems Operating Procedures
3. PSP
   Payload Signal Processor
4. PSP
   Payload Specialist Panel
5. PSP
   Payload Support Plan
6. PSPA
   Pressure Static Probe Assembly
7. PSR
   Program Status Review
8. PSR
   Physical Sciences Research
9. PSR
   Project Status Review
10. PSR
    Preship Review
11. PSRR
    Preliminary System Requirements Review
12. PSS
    Propulsion Support System
13. PSS
    Packet Switching System
14. PSS
    Payload Support System
15. PSS
    Portable Spacecraft Simulator
16. PSS
    Planning and Scheduling System
17. PSS
    Platform System Services
18. PSS
    Pad Safety Supervisor
19. PSS
    Payload Specialist Station
20. PSS
    Payload Safing Sequence

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