| Acronym | Meaning |
| EDU | Electrical Drive Unit |
| PGTL | Planning Group For Training And Logistics |
| BCM | Beyond Capability Of Maintenance |
| OPN | Other Procurement, Navy |
| PPCO | Provisioning Principal Contracting Office |
| PPIL | Parts Provisioning Index List |
| CACT | Command Air Crew Training |
| TNK | Tank |
| EXEC | Executive Subsystem |
| TSOT | Trident Sonar Operator Trainer |