| Acronym | Meaning |
 | GI | Galvanised Iron - Gastro-Intestinal - General Issue -Gibraltar (ISO 3166 Digram; FIPS 10-4 Territory Code) -Government Issue |
| FIE | Fly-In Echelon |
| ATB | Active Time Battle -British Antarctic Territory (ISO 3166 Trigram; Merged With AQ In 1979) |
| III | Three (in Roman Numerals) |
| FSV | Fire Support Vehicle - Fisheries Survey Vessel - Flexible Sender Validation - Fort St. Vrain - Fu Ball Und Sportverein (German Football And Sport Association |
| VISCII | VIetnamese Standard Code For Information Interchange |
| HCT | Higher Colleges Of Technology |
| GSK | GlaxoSmithKline |
| DTD | Digital Terrain Data |
| XPT | Platinum Troy Ounce (ISO 4217 Currency Code) |
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