| Acronym | Meaning |
| LLTI | Limiting Long-Term Illness - Long Lead Time Item |
| IMA | Intermediate Maintenance Activity |
| GULCR | Grupo De Usuarios De Linux De Costa Rica |
| ENVL | Envelope |
| LAV | Land Assault Vehicle - Light Armoured Vehicle - Lymphadenopathy-Associated Virus |
| MAA | Mathematical Association Of America |
| FCA | Fraction Of Combat Active Forces |
| RTA | Road Traffic Accident (British) |
| R&D | Research & Development |
| RHO | Southern Rhodesia (ISO 3166 Trigram; Obsolete 1980) |