NASA Abbreviations and Acronyms

1. M2P2
   multimission production plan
2. M50
   Aries mean of 1950, Cartesian coordinates
3. M50
   Mean of 1950 (coordinate System)
4. MA&SE
   mission analysis and system engineering
5. MAOT
   maximum allowable operating time
6. MAPOLE
   Magnetic Dipole Spark Transmitter
7. MARRS
   mission analysis and reconfiguration requirements system
8. MASSPO
   Manned Space Flight Support Project Office
9. MASTIF
   Multiaxis Spin Test Inertial Facility
10. MAVEN
    Mars Atmosphere and Volatile Evolution Mission
11. MC&W
    Master Caution and Warning
12. MCVP
    Materials Control and Verification Program
13. MD-BF
    body flap manual direct control mode
14. MD-P
    pitch manual direct control mode
15. MD-YR
    yaw roll manual direct control mode
16. MERU
    Milli-Earth Rate Unit
17. MERU
    Milliearth Rate Unit
18. MESSOC
    model evaluation of Space Station operations cost
19. METVC
    main engine thrust vector control
20. METVC
    Main Engine Thrust Vector

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