| Command | |
| gen. | Control and Communications |
| abbr. file.ext. | .com; .cmd |
| command | |
| abbr. | com |
| mil. | control and communications system; control and identification |
| mil. abbr. | cmd; comd |
| tech. abbr. | cd |
|
Research and Development : 3 phrases in 1 subject |
| Military | 3 |