| Acronym | Meaning |
| EVCS | External Voice Communication System |
| SPNR | Spinner |
| HMU | Helmet Mounted Unit |
| NAVSEASYSCOM | Naval Sea Systems Command |
| FMF | Fleet Marine Force |
| SWNRAC | Surface Warfare Naval Reserve Advisory Committee |
| HSI | Horizontal Situation Indicator |
| VOC | Volts Open Circuit |
| ECCM | Electronic Counter-countermeasures |
| ATIS | Advanced Technical Information System (navsea) |