| Acronym | Meaning |
| SSN | Attack Submarine (nuclear Powered) |
| EFIS | Electronic Flight Information System |
| ARN | Aeronautical Radio Navigation |
| FDIGBL | Fault Diagnostics, Channel B Left Engine |
| CHIPL | Oil Particle Count Large |
| PME | Precision Measurement Equipment |
| CONT | Control |
| BIU | Bus Interface Unit |
| ASM | Actuator Signal Management |
| SSCV | Surface Subsurface Clearance Vehicle |