| Acronym | Meaning |
| MIMPT | Member Of The Institute Of Maxillofacial Prosthetists And Technologists |
| GI | Gibi |
| SHRA | Rain Showers (METAR Code) |
| HAT | Haitian Creole Language (ISO 639-2 Code) |
| RIP | Relief In Place -requiesca[n]t In Pace (Latin For May He/she/they Rest In Peace) |
| FWS | U.S. Fish And Wildlife Service |
| WSMR | White Sands Missile Range (whiz-murr) |
| IUSS | Integrated Undersea Surveillance System - Integrated Unit Simulation System - International Union Of Soil Science |
| NIU | Niue (ISO 3166 Trigram) |
| POR | Proposed Operational Requirement |