NASA Abbreviations and Acronyms

1. MPSR
   Mission Payload Multipurpose Support Room
2. MPST
   Multipurpose Support Team
3. MPT
   Main Propulsion Test
4. MPT
   Mission Planning Terminal
5. MPTA
   Main Propulsion Test Article
6. MPTF
   Main Propulsion Test Facility
7. MPTP
   Main Propulsion Test Program
8. MPTS
   Multipurpose Tool Set
9. MPVA
   Main Propellant Valve Actuator
10. MPX
    Multiplexer
11. MR
    Master Reset
12. MR
    Maintenance and Refurbishment
13. MR
    Maintenance and Repair
14. MR
    Mission Report
15. MR
    Mixture Ratio
16. MR
    Malfunction Report
17. MRB
    Malfunction Review Board
18. MRB
    Material Review Board
19. MRC
    Measurement Requirements Committee
20. MRCR
    Measurement Requirement Change Request

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