NASA Abbreviations and Acronyms

1. AMPTE
   Active Magnetospheric Particle Tracer Explorer
2. AMRO
   AMR operations
3. AMRV
   astronaut maneuvering vehicle
4. AMTAS
   automatic modal tuning and analysis system
5. ANRA
   Air Navigation Radio Aid
6. ANVIL
   CAD tool
7. APPF
   Automated Payload Processing Facility
8. APRF
   Army Pulse Radiation Facility
9. APSAP
   auxiliary propulsion system aft pod
10. APTI
    Actions Per Time Interval
11. APUS
    Auxiliary Power Unit Subsystem
12. APUT
    Auxiliary Power Unit Test
13. APWL
    Automatically Processed Wire List
14. ARSDA
    Advanced Radiation Space Defense Application
15. ARTO
    Advanced Radiation Technology Office
16. ARTOOS
    Advanced Radiation Technology Office optical support
17. ARTSE
    Ada run-time support environment
18. AS/CP
    Attitude Set/Control Panel
19. ASPSL
    ASPP Sortie Laboratory
20. ASSD
    Autonetics Strategic Systems Division

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