| Acronym | Meaning |
| OMN | Oman (ISO 3166 Trigram) |
| DICASS | DIrectional Command Activated Sonobuoy System |
| MTS | Maintenance Training System - Michigan Terminal/Timesharing System - Movement Tracking System - Multichannel Television Sound - Multi-Technical Services |
| JSD | Juris Scientiae Doctor (Latin |
| III | Sichuan Yi Language (ISO 639-2 Code) |
| LYLAS | Love You Like A Sister |
| DSD | Defence Studies Department (King's College |
| GC | East Germany (NATO Country Code; Obsolete 1990) -General Counsel -Gigacoulomb |
| IO | British Indian Ocean Territory (ISO 3166 Digram; FIPS 10-4 Territory Code) |
| ROM | Read-Only Memory - Refuel On The Move - Royal Ontario Museum |