| Acronym | Meaning |
| YH | Yoctohenry |
| FAVS | Future Armoured Vehicle System |
| SPOT | Satellite Pour L'observation De La Terre (French |
| NAC | National Agency Check - U.S. Naval Avionics Center - U.S. Navy Advanced Concepts - North Atlantic Council - Northern Area Command |
| IO | British Indian Ocean Territory (ISO 3166 Digram; FIPS 10-4 Territory Code) |
| PVP | Player Versus Player |
| WTF | What The Fuck? (WTF Could Also Be Considered |
| BATS | Behavior Analysis Training System - Bradley Advanced Training System |
| RCA | Radio Corporation Of America - Root Cause Analysis - Royal Canadian Artillery - Royal City Avenue (famous Entertainment Zone In Thailand) |
| UU | Unitarian Universalism - University Of Utah - Unseen University |