| Acronym | Meaning |
| ITAG | Inertial Terrain-Aided Guidance |
| GLG | Galician Language (ISO 639-2 Code) |
| IRA | Individual Retirement Account (legally |
| TRP | Target Reference Point -Time Of Reporting |
| BY | Burundi (FIPS 10-4 Country Code) - Belarus (ISO 3166 Digram) |
| MEU | U.S. Marine Expeditionary Unit - Maximum Expected Utility |
| DOI | Digital Object Identifier - U.S. Department Of The Interior |
| FYDP | Five-Year Defense Plan (U.S.) |
| K9 | Canine Police Unit |
| NCB | National Codification Bureau |