| Acronym | Meaning |
| IPS | Inlet Particle Separator |
| CNR | Chief Of Naval Research |
| OEM | Original Equipment Manufacturer |
| FOB | Freight On Board |
| P2 | Compressor Inlet Pressure |
| PY | Program Year |
| IDA | Institute For Defense Analysis |
| LCN | Logistic Support Analysis Control Number |
| PIMA | Plug-in Module Adapter |
| PGTS | Precision Gunnery Training System |