| Abbreviation | Definition |
|---|---|
| HTS | High Tech Spies |
| HTS | Human Terrain System |
| HTSC | High Temperature Super Conducting |
| HTSF | Hard Target Smart Fuze |
| HTT | High Technology Transition |
| HTTB | High Technology Test Bed |
| HTU | Hand Held Terminal Unit |
| HTWS | Heavy Thermal Weapon Sight |
| HU | Head Unit |
| HU | Headset Unit |
| HUD | Heads-Up Display |
| HUET | Helicopter Underwater Escape Trainer |
| HUET | Helicopter Underwater Escape Training |
| HUI | Human User Interface |
| HULA | Husky United Liberation Army |
| HULC | Human Universal Load Carrier |
| HUMINT | Human Intelligence |
| HUMINT | Human Resources Intelligence |
| HUMRO | Humanitarian Relief Operation |
| HUMRO | OCP Humanitarian Relief Operation Operational Capability Package |