| Abbreviation | Definition |
|---|---|
| HRE | uman Research and Engineering |
| HRED | Human Research and Engineering Directorate |
| HRF | Height-Range Finder |
| HRHY | Hot-Rolled High Yield |
| HRJTF | Humanitarian Relief Joint Task Force |
| HRO | Human Resources Office |
| HRO | Humanitarian Relief Organizations |
| HROB | Human Resources Operations Branch |
| HRO-NSSC | Human Resources Office - Naval Sea Systems Command |
| HRO-WNY | Human Resources Office - Washington Navy Yard |
| HRP | High-Risk Personnel |
| HRP | Highway Regulating Point |
| HRP | Human Remains Pouch |
| HRS | High- Resolution Scenarios |
| HRS | Horizon Reference System |
| HRS | Hours |
| HRT | Highway Regulating Team |
| HRWSR | High-Resolution Weather Satellite Receiver |
| HS | Helicopter Antisubmarine (Navy) |
| HS | Hellenic Squadron |