English abbreviations from hec to helh
- HEC (High-Elongation Carbon)
- HECS (Higher Education Contributory Scheme)
- HED (Herendeen Bay Airport (FAA: AK33))
- HED-D (Hybrid Electric Drive - Demonstrator)
- HEDI (High Endoatmospheric Defense Interceptor)
- HEDIS (Health Plan Employer Data and Information Set)
- HEDP (high-explosive dual-purpose)
- HEE (Thompson-Robbins Airport)
- HEED (Health Education Economic Development)
- HEEF (Higher Education Endowment Fund)
- HEER (High-Explosive Extended Range (US))
- HEF (High-Explosive Fragmentation)
- HEFOE (Hydraulic Electrical Fuel Oxygen Engine)
- HE-FRAG (high-explosive fragmentation)
- HE-FRAG-FS (high-explosive fragmentation - fin-stabilised)
- HE-FS (high-explosive - fin-stabilised)
- HEFT (High-Explosive Follow Through)
- HEH (Heho Airport)
- HEI (high-explosive incendiary)
- HE-I (Hydraulic Excavator type I)
- HEIAP (High Explosive Incendiary Armour Penetrating)
- HEIC (Honourable East India Company)
- HEICS (Hospital emergency incident command system)
- HE-II (Hydraulic Excavator type II)
- HE-III (Hydraulic Excavator type III)
- HEIT (high-explosive incendiary tracer)
- HEK (Heihe Airport)
- HEL (High-Energy Laser (US))
- HELE (Home Economics And Livelihood Education)
- HEL-H (Heavy Helicopter)
