| Acronym | Meaning |
| GAFC | General Airframe Change (tdc 71) |
| R/M | Reliability And Maintainability |
| EMT | Elapsed Maintenance Time |
| YO | Fuel Oil Barge (self-propelled)(tanker) |
| MSB | Minesweeping Boat (mine Countermeasures) |
| NIS | Naval Investigative Service |
| SPR | Software Problem Record (report) |
| LIN | Linear |
| SP | Space And Power |
| PRR | Production Revision Record |