| Acronym | Meaning |
| GA | Go-around |
| AVIM | Aviation Intermediate Maintenance |
| OPN | Open |
| MFHBF | Mean Flight Hours Between Failures |
| VIB | Vast Interface Bulletin (tdc 88) |
| BB | Broadband |
| TDF | Tactical Digital Facsimile |
| EAB | Emergency Air Breathing (comm Sys For Submarines) |
| XVT | X Virtual Terminal |
| TIXS | Tactical Information Exchange System (otcixs) |