| Acronym | Meaning |
| PRI | Primary |
| RDT&EN | Research, Development, Test And Evaluation, Navy |
| EFR | Equipment Facility Requirements |
| NFO | Naval Flight Officer |
| TMT | Trainer Management Team |
| EAB | Emergency Air Breathing (comm Sys For Submarines) |
| MSI | Minesweeper, Inshore (mine Countermeasures) |
| BORE | Boresight |
| HMS/DS | Helmet Mounted Sight/display System |
| VSB | Vast System Bulletin (tdc 86) |