| Acronym | Meaning |
 | RADC | Region Air Defence Commander |
 | MOE | Measure Of Effectiveness |
 | OPSI | Overwhelming Post Splenectomy Infection - UK Office Of Public Sector Information |
 | NAVSTAR | Navigation Satellite Timing And Ranging |
 | PABX | Private Automated Branch EXchange (company Phone System) |
 | MON | Mongolian Language (ISO 639-2 Code) |
 | IBA | Important Bird Area |
 | MLWS | Mean Low Water Springs (nautical Charts) |
 | IKU | Inuktitut Language (ISO 639-2 Code) |
 | KTS | Knight Of The Tower And Sword (of Portugal) |