| Acronym | Meaning |
| TWCS | Through Water Communications System |
| ADA | Name (not Acronym) Of High Level Computer Programming Language |
| WPN | Weapons Procurement Navy |
| CGM | Computer Graphics Metafile |
| RCCO | Reverse Current Cut Out |
| ESGN | Electrically Suspended Gyro Navigator (an/wsn-3(v)) |
| MMRI | Multi Mode Radar Input |
| ASAC | Anti-submarine Air Controller |
| EMS | Engine Monitoring System |
| CV | Aircraft Carrier |