| Acronym | Meaning |
| PMGW | Primary Mission Gross Weight |
| PIM | Plan For Maintenance |
| HMU | Hydromechanical Unit |
| MHZ | Megahertz |
| FAT | First Article Testing |
| CDIL | Cumulative Damage Index Left Engine |
| MOS | Marine Occupational Standard |
| MUTTS | Multi Unit Tactical Training System |
| FJAG | Framework Joint Activity Group |
| IFB | Invitation For Bids |