| Acronym | Meaning |
| VIB | Vast Interface Bulletin (tdc 88) |
| ASWIXS | Antisubmarine Warfare Information Exchange |
| NUSC | Naval Underwater Systems Center |
| STT | Schedule Training Time |
| PTOR | Power Turn On Reset |
| DT | Development Testing |
| SSC | Service School Command |
| CVGPF | Compressor Variable Geometry Position Failure |
| PRR | Production Revision Request |
| DIFAR | Directional Frequency And Ranging (asw) |