| Acronym | Meaning |
| NC3A OR NC?A | NATO Consultation |
| GI | Galvanised Iron - Gastro-Intestinal - General Issue -Gibraltar (ISO 3166 Digram; FIPS 10-4 Territory Code) -Government Issue |
| JQ | Jetstar Airways (IATA Airline Designator) -Johnny Quick -Johnston Atoll (FIPS 10-4 Territory Code) -Jonny Quest - Joshua Quagmire |
| TIM | Technical Information Memorandum - Technical Interchange Meeting - Toxic Industrial Material - Telecom Italia Mobile |
| PI | P?li Language (ISO 639-1 Code) |
| JRA | Japanese Red Army - Joint Rear Area |
| RTI | Run-Time Infrastructure (Simulation) |
| IAS | Image Assessment System |
| MOT | Ministry Of Transport (UK) |
| MORP | Meteorite Observation And Recovery Project |