| Acronym | Meaning |
| CFG | Context-free Grammar - Control Flow Graph |
| ATAC | Air Transportable Acoustic Communications |
| EMS | Emergency Medical Services |
| AAAV | Advanced Amphibious Assault Vehicle |
| DMU | Diesel Multiple Unit - A Method Of Connecting Self-propelled Railway Vehicles Together To Form A Train Under The Control Of One Driver. |
| RSRE | UK Royal Signals And Radar Establishment (1976?1991) |
| ROK | Republic Of Korea |
| SOM | Simulation Object Model -Somalia (ISO 3166 Trigram) |
| ERP | Engineer Regulating Point |
| SNE | Synthetic Natural Environment |