| Acronym | Meaning |
| RES | Radiation Exposure Status -Reserve |
| FCS | Future Combat System |
| FIFO | First In |
| RTFM | Read The Fucking/Fine Manual |
| RU | Russia (ISO 3166 Digram) |
| BAK | Bashkir Language (ISO 639-2 Code) |
| EF | Entry Foyer |
| USDA | United States Department Of Agriculture |
| SGS | South Georgia And The South Sandwich Islands (ISO 3166 Trigram) -Svalbard Ground Station (Landsat) - Soci?t? G?n?rale De Surveillance |
| AD LOC. | Ad Locum (Latin |