| Acronym | Meaning |
| OIP | Operational Improvement Program |
| DTE | Developmental Test Equipment |
| DIFAR | Directional Frequency And Ranging (asw) |
| CCSDSP | Closed Circuit Saturation Diving System |
| PRGB | Proprotor Gearbox |
| EDR | Equivalent Direct Radiation |
| CFS | Contract Field Services |
| CA | Gun Cruiser |
| CDIF | Case Date Interchange Format (eia Effort) |
| SIMSYS | Simulation System (software) |