| Abbreviation | Definition |
|---|---|
| COMBATDF | Shipboard organic collection, analysis, processing, DF, and reporting system |
| COMBIC | Combined Obscuration Model for Battlefield-Induced Contamination |
| COMBINED | Operations involving more than one country's military |
| COMCAM | COMbat CAMera |
| COMCARGRU | Commander, Carrier Group |
| COMCAT | Character-Oriented Message Catalog |
| COMCOGARDGRU | Commander, Coast Guard Group |
| COMCRUDESGRU | Commander, Cruiser Destroyer Group |
| comd | command |
| Comd | Commander |
| COMDCAEUR | Commander, Defense Communications Agency Europe |
| COMDESRON | COMmander DEStroyer SquadRON |
| COMDEX | Computer Dealers Exposition |
| COMDT | Commandant |
| COMDTCOGARD | Commandant, United States Coast Guard |
| COMDTINST | Commandant, United States Coast Guard Instruction |
| COMET | Compuscan Optical Message Entry Terminal |
| COMEX | COMmunications EXercise |
| COMFAC | COMmunications FACility |
| COMFAIRWESTPAC | COMmander Fleet AIR forces, WESTern PACific |