| COMSEC | |
| abbr. astronaut. mil. | Communications Secure |
| abbr. avia. | communication security |
| abbr. mil. | Communications Security; Commandeer Security Forces |
| mil. | communications security |
| tech. | communications security unit |
|
Adaptive : 6 phrases in 3 subjects |
| Abbreviation | 3 |
| Information technology | 1 |
| Programming | 2 |