| Acronym | Meaning |
| MTBM | Mean Time Between Maintenance |
| TBS | To Be Superseded |
| MMACS | Maintenance Management And Control System |
| EMS | Electromagnetic Susceptibility |
| OMSF | Office Of Manned Space Flight (now OSTS) |
| PCG | Phonocardiogram |
| MORT | Management Oversight And Risk Tree |
| HID | HIM Interface Distributor |
| ERP | Effected Radiative Power |
| MSC | Military Sealift Command |