| Abbreviation | Definition |
|---|---|
| DCE | Data Communications Equipment |
| DCE | Defense Centers of Excellence |
| DCE | Defense Coordinating Element |
| DCE | Distributed Computing Environment |
| DCEC | Defense Communications Engineering Center |
| D-CELL | Deployment Cell |
| DCF | Document Composition Facility |
| DCFP | Draft Concept Formulation Paper |
| DCG | Deputy Commanding General |
| DCGA&T | Deputy Commanding General for Acquisition and Technology |
| DCGO&R | Deputy Commanding General for Operations and Readiness |
| DCGS | Distributed Common Ground System |
| DCGS | Distributed Common Ground/surface System |
| DCHA | Bureau For Democracy, Conflict, and Humanitarian Assistance |
| DCI | Data Collection Integrator |
| DCI | Defense Critical Infrastructure |
| DCI | Director of Corporate Information |
| DCI | Director, Central Intelligence |
| DCI | Dual Channel Interchange |
| DCID | Director of Central Intelligence Directive |