| Acronym | Meaning |
| FEO | Field Engineering Office |
| EIA | Electronic Industries Association |
| DSSA | Domain Specific Software Architecture |
| CALC | Calculated |
| IMCON | Information Modeling Convergence |
| PROP | Proprotor |
| RT | Receiver Transmitter |
| TIS | Training Integration System |
| PPD | Program Package Document |
| NGCR | Next Generation Computer Resources (navy Program) |