| Acronym | Meaning |
| PTD | Provisioning Technical Documentation |
| EAB | Emergency Air Breathing (comm Sys For Submarines) |
| SHA | System Hazard Analysis |
| CRC | Contractor Recommended Coding |
| QA | Quality Assurance |
| VMC | Visual Meteorological Conditions |
| DDU | Digital Data Unit |
| EQP | Equipment |
| ICAPS | Integrated Command Anti-submarine Warfare Diction System |
| ASWCSI | Antisubmarine Warfare Combat System (mk 116, Mod 5) |