| Acronym | Meaning |
| INCOMPLT | Incomplete |
| HBS | Hardware Breakdown Structure |
| SSD | Emergency Escape/survival Device |
| MASS | Model 901 Applications And System Software |
| MOSS | Mobile Submarine Simulator System |
| INSURV | Board Of Inspection And Survey |
| TOPR | Top Right |
| DT&E | Development Test And Evaluation |
| DMI | Depot Maintenance Interservice |
| SSFC | Solid State Frequency Changer |