| Acronym | Meaning |
| SEM | Standard Electronic Module |
| IPL | Initial Program Load |
| GFS | Government Furnished Software |
| TDR | Time Domaine Reflectometer |
| QM | Mast Torque |
| SSN | Attack Submarine (nuclear Powered) |
| DMSD | Depot Maintenance Study Directorate |
| ISST | Infrared Surveillance Of Surface Targets |
| TF/TA | Terrain Following/terrain Avoidance |
| ACC | Accept |