NASA Abbreviations and Acronyms

1. SM
   Support Module
2. SM
   Esshuttle Mission Eng'
3. SM
   Esshuttle Mission Evaluation Simulation (simulator)
4. SM
   Iaserial Multiplexer Interface Adapter
5. SM
   Structures And Mechanical
6. SM
   Servicing Mission
7. SM
   Serial Magnitude
8. SM/PART
   Servicing Mission/Planning and Replanning Tool
9. SM/PM
   System Management/Performance Monitor
10. SM2
    2Nd Servicing Mission
11. SM3
    3Rd Servicing Mission
12. SM4
    4Th Servicing Mission
13. SMA
    Scan Mirror Assembly
14. SMA
    Science Monitoring Area
15. SMA
    S-Band Multiple Access
16. SMA
    Secondary Mirror Assembly
17. SMAG
    Star Magnitude
18. SMART
    Shuttle Meeting Action - Item Review Tracking
19. SMB
    Systems Management Board
20. SMC
    Serial Magnitude Command

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