| Abbreviation | Definition |
|---|---|
| DCP | Dolphin Communication Project |
| DCPA | Defense Civil Preparedness Agency |
| DCPC | Direct Combat Probability Code |
| DCPDS | Defense Civilian Personnel Data System |
| DCPG | Digital Clock Pulse Generator |
| DCPO | Damage Control Petty Officer |
| DCPS | Data Communications Protocol Standard |
| DCR | Damage Control Resuscitation |
| DCR | DOTMLPF (Doctrine, Organization, Training, Materiel, Leadership and Education, Personnel, and Facilities) Change Recommendation |
| DCRE | Deputy Commander Royal Engineers |
| DCRM | Defense Check Reconciliation Module |
| DCS | Defense Communications System |
| DCS | Defense Courier Service |
| DCS | Department of Combat Support |
| DCS | Deputy Chief of Staff |
| DCS | Digital Camera System |
| DCS | Digital Cell Site |
| DCS | Digital Computer System |
| DCS | Distributed Control System |
| DCS | Division Cavalry Squadron |