| Acronym | Meaning |
| TCC | Target Control System Change (tdc 77) |
| AGSS | Auxiliary Research Submarine (misc) |
| LSA | Logistics Support Analysis |
| CTIC | Contractor Technical Information Code |
| MRC | Maintenance Requirement Card |
| MPCTS | Modular Portable Consolidated Test System |
| PRI | Primary |
| LF-ADF | Low Frequency-automatic Direction Finding |
| PMAL | Pma Ac Voltage Left |
| LCM | Landing Craft, Mechanized |