| Abbreviation | Definition |
|---|---|
| DCAS | Database Commitment Accounting System |
| DCAS | Defense Contract Administration Service |
| DCASS | Defense Commo and Army Switched System |
| DCAT | Directional Control Antitank |
| DCATS | Defense Communication and & Army Switched System |
| DCAWG | Data Collection & Analysis Working Group |
| DCB | Durham Caching Brigade |
| DCC | Damage Control Center |
| DCC | Deployment Control Center |
| DCC | Digital Command And Control |
| DCC | Digital Communications Controller |
| DCC | Division Computer Center |
| DCCC | Defense Collection Coordination Center |
| DCCEP | Developing Country Combined Exercise Program |
| DCCO | Defense Commercial Communications Office |
| DCCS | Distributed Command and Control System |
| DCD | Data Collection Device |
| DCD | Director (or ate) of Combat Developments |
| DCDS | Distributed Computing Design System |
| DCE | Data Circuit Terminating Equipment |