| Acronym | Meaning |
| SONAR | SOund Navigation And Ranging |
| OB | Obiit (Latin |
| JRA | Japanese Red Army - Joint Rear Area |
| CW | Continuous Wave (laser) -Cook Islands (FIPS 10-4 Territory Code) |
| WNF | Will Not Fix |
| FIE | Fly-In Echelon |
| VCDS | (Canada) Vice-Chief Of The Defence Staff |
| KN | Kannada Language (ISO 639-1 Code) |
| FLTSAT | Fleet Satellite |
| LO | Lao Language (ISO 639-1 Code) |