| Acronym | Meaning |
| ADF | Automatic Direction Finder |
| SASITS | Submarine Advanced Signal Training System |
| WBS | Work Breakdown Structure (mil-std 881) |
| CIS | Case Integration Services |
| ENVIR | Environment |
| CEP | Circular Error Probable |
| TACAMO | Take Charge And Move Out |
| ISC | Intercommunication Set Control |
| GFWS | Ground Proximity Warning System |
| PDS | Power Demand Signal |