| Acronym | Meaning |
| IOS | Instructor Operator Station |
| PTT | Plotting Team Trainer |
| IF | Intermediate Frequency |
| FEP | Final Evaluation Period |
| LVDT | Linear Variable Differential Transducer |
| OAF | Open Architecture Framework |
| MBMF | Multi-beam Multi-frequency Feasibility Demo |
| SLEP | Service Life Extension Program |
| REJ | Reject |
| HP | Horse Power |