| Abbreviation | Definition |
|---|---|
| JCCA | Joint Combat Capability Assessment |
| JCCB | Joint Configuration Control Board |
| JCCC | Joint Combat Camera Center |
| JCCC | Joint Communications Control Center |
| JCCF | Jamaica Combined Cadet Force |
| JCCP | Joint Casualty Collection Point |
| JCCS | Joint Contingency Contracting System |
| JCCS | Joint Contracting Contingency System |
| JCCSE | Joint CONUS Communications Support Environment |
| JCD | John Chard Decoration |
| JCE | Joint Intelligence Virtual Architecture (JIVA) Collaborative Environment |
| JCEOI | Joint Communications-Electronics Operating Instructions |
| JCET | Joint Combined Exchange Training |
| JCET | Joint Combined Exercise For Training |
| JCEWR | Joint Coordination of Electronic Warfare Reprogramming |
| JCEWS | Joint Combat Electronic Warfare System |
| JCEWS | Joint Force Commander's Electronic Warfare Staff |
| JCGRO | Joint Central Graves Registration Office |
| JCIDO | Joint Combat Identification Office |
| JCIDS | Joint Capabilities Integration and Development System |