| Acronym | Meaning |
| OCD | Operational Concept Document |
| MFHBVF | Mean Flight Hours Between Verified Failures |
| PGH | Patrol Gunboat (hydrofoil)(coastal Patrol Combatant) |
| TIXS | Tactical Information Exchange System (otcixs) |
| TRICCSMA | Trident Command & Control System Maintenance Activity |
| SRVM | Specification Requirements Verification Matrix |
| RCM | Reliability Centered Maintenance |
| TRD | Test Requirement(s) Document (data) |
| NIU | Nacelle Interface Unit |
| UTIL | Utility |