| Acronym | Meaning |
| AWACS | Airborne Warning And Control System |
| APEDS | AMSAA Performance Estimates Data System |
| RFEF | Real Federaci›n Espa?ola De Fœtbol (Spanish For Royal Spanish Football Federation) |
| ACOBA | Advisory Committee On Business Appointments |
| IFO | Identified Flying Object (see Also UFO) |
| ESH | Western Sahara (ISO 3166 Trigram) |
| GST | Goods And Services Tax (Australia |
| RT | Radio Telefs ireann |
| ETLA | Extended TLA |
| GBU | Glide-Bomb Unit - Global Business Unit |