| Acronym | Meaning |
 | HIRD | Hurd Of Interfaces Representing Depth (cf. HURD) |
| NAVCC | National Audio-Visual Conservation Center |
| DASD | (U.S.) Deputy Assistant Secretary Of Defense |
| PH | Passive Homing (missile Guidance System) -petahenry - Philippines (ISO 3166 Digram) -Probability Of Hit - Public Health - Purple Heart |
| HRV | Croatian Language (ISO 639-2 Code) |
| ZM | Zettametre |
| HEO | Highly Elliptical Orbit |
| UNU | United Nations University |
| JK | Jedi Knight - Just Kidding -Spanair (IATA Airline Designator) |
| KET | Kentucky Educational Television Refers To The Network And The Production Facilities -Key English Test |
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