| Abbreviation | Definition |
|---|---|
| HBTD | Homewood Bound Troop Dispersal (Unit) |
| HC | Hardware Configuration |
| HC | Head Commander |
| HCA | Hardware Configuration Audit |
| HCA | High capacity Air Ambulance |
| HCA | Humanitarian and Civic Assistance |
| HCAS | Hostile Casualty |
| HCB | Half Circle Back |
| HCF | Half Circle Forward |
| HCI | Human Computer Interface |
| HCJ | Heliborne Common Jammer |
| HCl | Hydrogen chloride |
| HCLOS | High Capacity Line of Sight |
| HCM | Hardware Configuration Management |
| HCM | High Capacity Magazine |
| HCO | Handling Control Officer |
| HCO | Helicopter Control Officer |
| HCP | Hardcopy Printer |
| HCS | Helicopter Combat Support (Navy) |
| HCS | Helicopter Coordination Section |