| Acronym | Meaning |
| IWARS | Infantry Warrior Simulation |
| BQ | British Antarctic Territory (ISO 3166 Digram; Merged With AQ In 1979) - Navassa Island (FIPS 10-4 Territory Code) |
| EFSA | European Food Safety Authority |
| HR | Croatia (FIPS 10-4 Country Code; ISO 3166 Digram) -Harvard Revised Star Catalogue - Human Resources |
| FWS | U.S. Fish And Wildlife Service |
| JAM | Jamaica (ISO 3166 Trigram) |
| WGS 84 | World Geodetic System 1984 |
| RHO | Southern Rhodesia (ISO 3166 Trigram; Obsolete 1980) |
| EGY | Egypt (ISO 3166 Trigram) |
| TSCA | Toxic Substances Control Act (tosca) |