| Acronym | Meaning |
| FD&I | Fault Detection And Isolation |
| APB | Self-propelled Barracks Ship (misc) |
| TTD | Technical Training Device (simulation System) |
| CPI | Contractor Preliminary Inspection |
| ESA | Environmental Sensor Assessment |
| HF | High Frequency |
| ASAC | Anti-submarine Air Controller |
| RFT | Ready For Training (operational Milestone) |
| PT | Point Mode |
| FAB | Fabrication |