| Acronym | Meaning |
 | MUX | Multiplex |
| NAC | Naval Avionics Center (indianapolis) |
| MCR | Manual Change Release |
| SEAFOX | Special Warfare Craft Light |
| CHMS | Copilot Helmet Sight System |
| XFREQ | Transmit Frequency |
| UTM | Universal Transverse Mercator |
| OB | Operating Budget |
| NAVAIDS | Navigation (navigational) Aids |
| FEWSG | Fleet Electronic Warfare Support Group |
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