| Acronym | Meaning |
| IRIG | Inertial Rate Integrating Gyrominter |
| ITSC | Interservice/industry Training Systems Conference |
| DEC | Decrease |
| TBAT | Towed Buoy Antenna Trainer (trident-8d35) |
| CPIF | Cost Plus Incentive Fee |
| TRU | Test Replaceable (repairable) Unit |
| MVAR | Magnetic Variation |
| SEB | Support Equipment Bulletin (tdc 63) |
| IGNRQ | Ignition Request |
| PPB | Provisioning Parts Breakdown |