| Acronym | Meaning |
| SO | Standing Orders |
| OOD | Object-oriented Design |
| RNS | Radar Navigation Set |
| GMT | Greenwich Mean Time |
| STD | Software Test Description |
| ASIS | Anti Submarine Information System |
| MMM | Maintenance And Material Management (3m) |
| LF-ADF | Low Frequency-automatic Direction Finding |
| SDR | Software Discrepancy Report |
| NAVPRO | Naval Plant Representative Office |