Governmental & Military Abbreviations and Acronyms

1. HEM-V
   Helium Manual Valve
2. HEMAT
   Heavy Expanded Mobility Ammunition Trailer (US)
3. HEMIL
   hardware evaluator, man in loop
4. HEMP
   High-Explosive Multi-Purpose
5. HEMP
   High-Altitude Electromagnetic Pulse
6. HEMS
   Helicopter Emergency Medical Services
7. HEMT
   High-Electron Mobility Transistor
8. HEMTT
   Heavy Extended-Mobility Tactical Truck
9. HEMTT
   Heavy Expanded Mobility Tactical Truck (US)
10. HEMV
    Helium Manual Valve
11. HEN
    Henry
12. HEO
    High Earth Orbit
13. HEO
    Highly Elliptical Orbit
14. HEO
    Highly-Inclined Elliptical Orbit
15. HEOO
    Honeywell Electro-Optical Operations
16. HEOR
    Historical Event Operation Record
17. HEOS
    High Endo Designator Sensor
18. HEP
    High-Explosive Plastic (ammunition)
19. HEP
    History, Economics, and Political
20. HEP-T
    high-explosive practice - tracer

Last updated: May 24, 2020 — Total entries: 74,797