| Abbreviation | Definition |
|---|---|
| HIV | Human Immuno-Deficiency Virus |
| HIVE | Highly Immersive Visualization Environment |
| HJ | Crypto Key Change |
| HJ | Honest John |
| HKA | Heeres KustenArtillerie Army |
| HKB | Heeres KanonierenBatterie |
| HKB | Heeres Kanonierenbatterie B |
| HKLP | Holds Knife Like Pen |
| HLA | Helicopter Landing Area |
| HLA | High Level Architecture |
| HLA | High Loss Area |
| HLA | Hot Line Alert |
| HLA | Hydraulic Launch Assist |
| HLA | Hydraulic Load Analysis |
| HLAR | Horizontal Low-Altitude Release |
| HLARTI | High Level Architecture Run Time Infrastructure |
| HLAS | Hot Line Alert System |
| HLASM | Helicopter- Launched Air-to- Surface Missile |
| HLC | High Level Clearance |
| HLCADS | High Level Container Airdrop System |