| Acronym | Meaning |
| PROP | Proprotor |
| FCSIR | Flight Control System Integration Rig |
| IOPB | Input/output Parameter Buffer |
| POCD | Process Operational Concept Document |
| AVM | Guided Missile Ship |
| COE | Government Owned Equipment |
| MRAALS | Marine Remote Area Landing System |
| WSIP | Seapon System Improvement Program (s-3) |
| Q/I | Question/issue |
| FDIGBR | Fault Diagnostics, Channel B, Right Engine |