| Acronym | Meaning |
| OPTAR | Operating Target (expense) |
| LLL | Logistics Lesson Learned |
| HDU | Helmet Display Unit |
| PCI | Product Configuration Identification |
| S/N | Serial Number |
| TSA | Training Support Agent |
| CWDE | Chemical Warfare Defense Equipment |
| MVP-L | Multiple Views Project - Language |
| PP | Program Package Udi-s-21273b |
| PHM | Patrol Hydrofoil Guided Missile Ship (combatant |