| Acronym | Meaning |
| IVIS | Inter-Vehicle Information System |
| COS | Cooper Ornithological Society |
| TKL | Tokelau (ISO 3166 Trigram) |
| PJHQ | Permanent Joint Headquarters |
| AT&T | American Telephone And Telegraph (U.S. Company |
| DMU | Diesel Multiple Unit - A Method Of Connecting Self-propelled Railway Vehicles Together To Form A Train Under The Control Of One Driver. |
| MTL | Maltese Lira (ISO 4217 Currency Code) -Mean Tide Level (nautical Charts) |
| GFE | Girl Friend Experience (used In Escort Services) - Good Faith Estimate - Government Furnished Equipment |
| ITALY | I'll Truly Always Love You |
| T/O | Theatre Of Operations |