| Acronym | Meaning |
| INCOR | Incorrect |
| HM | Hardness Maintenance |
| APN | Aviation Procurement Navy |
| CLS | Contractor Logistics Support |
| MBTUMA | Mean Time Between Unscheduled Maintenance Actions |
| NTSC | Naval Training Systems Center |
| AGFF | Frigate Research Ship (misc) |
| TTE | Technical Training Equipment (tactical/operational) |
| TRD | Test Requirement(s) Document (data) |
| TFR | Terrain Following Radar |