| Acronym | Meaning |
| TCN | Tacan |
| SGML | Standard Generalized Markup Language |
| ECS | Engineering Change Support |
| TDR | Time Domaine Reflectometer |
| FCTCL | Fleet Combat Training Center Atlantic |
| TACAN | Tactical Air Navigation |
| RXMT | Retransmit |
| CCBR | Config Control Board Request |
| DMA | Defense Mapping Agency |
| AIVPC | Anti-ice Valve Position Command |