| Acronym | Meaning |
| DEU | German Language (ISO 639-2 Code) |
| ROK | Republic Of Korea |
| NAV | Navigation[al] |
| RTF | Rich Text Format |
| JD | Jack Daniels (whiskey) - Julian Day - Juris Doctor (Latin |
| HALO | High Altitude Low Opening (parachute Jump) |
| BFF | Best Friends Forever |
| PD | Per Diem (Latin: (calculated) By The Day) - Point Of Departure - Police Department - Postal District - Potential Difference - Principal Deputy - Public Domain |
| OAS | Organization Of American States |
| RIF | Reduction In Force (layoffs) - Resistance Index For Frostbite |