| Acronym | Meaning |
| OTT | Ocean Tactical Targeting |
| PCA | Physical Configuration Audit |
| AWP | Awaiting Parts |
| DWN | Down |
| DNS | Doppler Navigation Sensor |
| SEE | Software Engineering Environment |
| TCPR | Trident Command & Control System Problem Report |
| SSR | Software Specification Review |
| NAVAIR | Naval Air Systems Command |
| STR | Software Test Report |