| Acronym | Meaning |
| VOC | Volts Open Circuit |
| OBOGS | Onboard Oxygen Generating System |
| OTE | Operator Training Equipment |
| CCSDSP | Closed Circuit Saturation Diving System |
| DSARC | Defense Systems Acquisition Review Committee |
| BCU | Buffer And Conversion Unit |
| ARMT | Armament |
| SNSR | Sensor |
| CCTDA | Cockpit Control Thrust Drive Actuator |
| RMNG | Remaining |