| Acronym | Meaning |
| TTG | Trainer Test Group |
| EHV | Electro Hydraulic Valve |
| LCVP | Landing Craft, Vehicle, Personnel |
| LCAC | Landing Craft, Air Cushion |
| F/D | Flight Director |
| LCCB | Local Change Control Board |
| YTB | Large Harbor Tug (self-propelled) |
| O&SHA | Operating And Support Hazard Analysis |
| LWC | Liquid Water Content |
| BCU | Buffer And Conversion Unit |