NASA Abbreviations and Acronyms

1. MMR
   mass memory ready
2. MMRS
   Manned Military Recovery System
3. MMS
   Mission Modular Spacecraft
4. MMS
   Multimission Modular Spacecraft
5. MMS
   Modular Multyband Scanner
6. MMS
   Magnetospheric Multiscale Satellite
7. MMS
   Modular Multiband Scanner
8. MMS
   Matra Marconi Space
9. MMSE
   Multiuse Mission Support Equipment
10. MMT
    Mass Memory Test
11. MMUS
    Mass Memory Unit Simulator
12. MN
    Main Bus
13. MN
    Minute
14. MNA
    B
15. MNET
    Mission and Data Operations Directorate network
16. MNM
    Minimum
17. MNT
    Monitor
18. MNT
    Mount
19. MNVR
    Maneuver
20. MO
    Maintenance and Operations

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