| Acronym | Meaning |
| CAFAD | Combined Arms For Air Defence |
| OTI | Office Of Transition Initiatives (United States Agency For International Development) |
| IVF | In Vitro Fertilisation |
| CX | Christmas Island (ISO 3166 Digram) - One Hundred And Ten (in Roman Numerals) |
| WSW | West South-West |
| GYY | Gary/Chicago International Airport (IATA Airport Code) |
| GDR | General Distribution Release (Microsoft Term For A Software Service Release; Between Hotfix And Service Pack) |
| JL | Japan Airlines (IATA Airline Designator) |
| MSH | Medium Support Helicopter - Mount Saint Helens |
| SIF | Selective Identification Feature |