| Acronym | Meaning |
| GF | French Guiana (ISO 3166 Digram) - Gigafarad |
| MT | Millitesla |
| CS | Caesium |
| ASIP | Advanced System Improvement Program - Army Stationing And Installation Plan - Application Specific Instruction-Set Processor |
| GMPCS | Global Mobile Personal Communications By Satellite |
| PPCLI | Princess Patricia's Canadian Light Infantry (regiment) |
| EST | Estonian Language (ISO 639-2 Code) |
| CTMS | Clinical Trial Management System |
| EFOA | European Fuel Oxygenates Association |
| GSS | Generic Security Services |