| Acronym | Meaning |
| MHC | Major Histocompatibility Complex |
| MPEG | Motion Pictures (Coding) Experts Group |
| LSIF | Labour Sponsored Investment Fund |
| SP | Special - Spring Tide (nautical Charts) |
| GIMP | GNU Image Manipulation Program |
| NAVEUR | Naval Forces U.S. European Command |
| KUW | Kuwait (UNDP Country Code) |
| RARDE | UK Royal Armament Research And Development Establishment (1962?1991) |
| TRACON | Terminal Radar Approach Control |
| MOB | Man Over Board - Marching Owl Band - Movable Object Block |