NASA Abbreviations and Acronyms

1. HLMT
   Hel Met
2. HLTL
   High-Level Test Language
3. HM
   Hinge Mount
4. HMA
   Hypergot Maintenance Area
5. HMA
   Hypergolic Maintenance Area
6. HMB
   Hard Mobile Basing
7. HMC
   Hypergolic Maintenance and Checkout
8. HMC
   Hybrid Microcircuit
9. HMCC
   Hypergolic Maintenance and Checkout Cell
10. HMCF
    Hypergolic Maintenance and Checkout Facility
11. HMD
    Humidity
12. HMF
    Hypergot Maintenance Facility
13. HMO
    Health Maintenance Organization
14. HMP
    Hydrazine Monopropellant
15. HMP
    Hydrozene Monopropeflant (rcs Propellant)
16. HMPAC
    helmet-mounted multipurpose applications control
17. HMS
    History Memory System
18. HMTT
    Hurricane Mesa Test Track
19. HMU
    Hardware Mockup
20. HMV
    Hydrogen Manual Valve

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