| Acronym | Meaning |
| ENAV | Electronic Navigation |
| DARPA | Defense Advanced Research Projects Agency |
| TF | Terrain Following |
| MSB | Minesweeping Boat (mine Countermeasures) |
| MRC | Maintenance Requirement Card |
| GIDEP | Government/industry Data Exchange Program |
| NU | Nose Up |
| PCD | Program Change Decision |
| OTE | Operational Test And Evaluation |
| TFR | Terrain Following Radar |