| Acronym | Meaning |
| HSI | Horizontal Situation Indicator |
| V-COM | Swimmer Delivery Vehicle (sdv) Comm System |
| GPETE | General Purpose Electronic Test Equipment |
| SURTASS | Surveillance Towed Array Sensor |
| DNS | Doppler Navigation Sensor |
| SMCC | Special Material Content Code |
| ENAV | Electronic Navigation |
| APU | Auxiliary Power Unit |
| LPH | Amphibious Assualt Helicopter Carrier - Aviation |
| ISPE | Improved Sonar Processing Equipment (ssbn) |