| Acronym | Meaning |
| XVT | X Virtual Terminal |
| M/S | Milestone |
| NAVAIDS | Navigation (navigational) Aids |
| OMB | Office Of Manpower And Budget |
| ANDVT | Advanced Narrowband Digital Voice Terminal |
| V-COM | Swimmer Delivery Vehicle (sdv) Comm System |
| GCC | Generic Command Center |
| SP | Space And Power |
| ADI | Attitude Director Indicator |
| SIMAS | Sonar In-situ Mode Assessment |