| Acronym | Meaning |
| DIFAR | Directional Frequency And Ranging (asw) |
| PDM | Program Objectives Memorandum |
| ATSS | Aviation Training Support System |
| RDBMS | Relational Data Base Management System |
| FOSI | Functional Output Specification Instance |
| NCAE | Naval Contract Adjustment Board |
| I | Intermediate |
| TDMP | Training Device Maintenance Plan |
| CDT | Chargeable Down Time |
| NVG | Night Vision Goggles |