| Acronym | Meaning |
| SSBN | Trident Submarine |
| TESS | Tactical Environment Support System |
| VIB | Vibration |
| YFB | Ferry Boat Or Launch (self-propelled)(misc) |
| UJT | Unijunction Transistor |
| DCC | Dynamic Component Change (tdc 51) |
| NBC | Nuclear, Biological And Chemical |
| ASB | Airborne Software Bulletin (tdc 94) |
| CMR | Configuration Management Review |
| RF | Radio Frequency |