| Acronym | Meaning |
| PRV | Pressure Relief Valve |
| NECS | Navy Embedded Computer System |
| CHMS | Copilot Helmet Sight System |
| NRMC | Navy Regional Medical Center |
| YSD | Seaplane Wrecking Derrick (self-propelled)(misc) |
| SMC | Secondary (shadow) Mission Controller |
| SIG | GNDsignal Ground |
| IRS | Interface Requirements Specification |
| NAVSEC | Naval Ship Engineering Center |
| SLN | Sequence Line Number |