| Acronym | Meaning |
| SURTASS | Surveillance Towed Array Sensor |
| WPE | Word Processing Equipment |
| THR | Threshold |
| CSCG | Communications Security Control Group |
| GPS | Global Positioning System |
| NOTAP | Navy Occupational Task Analysis Program |
| BRT | Bright |
| SCST | Submarine Combat System Trainers (21a Series) |
| IF | Intermediate Frequency |
| NAC | Naval Avionics Center (indianapolis) |