| Abbreviation | Definition |
|---|---|
| JCSC | Joint Chiefs of Staff Committee |
| JCSC | Joint Communications Satellite Center |
| JCSE | Joint Communications Support Element |
| JCSE | Joint Continuous Spending Environment |
| JCSE | Just Change the Situation Entirely |
| JCSI | Joint Combat Systems Integration |
| JCSIB | Joint Chiefs of Staff Identity Badge |
| JCSIDENTBAD | Joint Chiefs of Staff Identity Badge |
| JCSIDIN | Joint Chiefs of Staff Interim Data Transmission Network |
| JCSM | Joint Chiefs of Staff Memorandum |
| JCSO | Joint Chiefs of Staff Organization |
| JCSP | Joint Contracting Support Plan |
| JCSP | Joint Coordinated System Plan |
| JCSPUB | Joint Chiefs of Staff PUBlication |
| JCSRE | Joint Chiefs of Staff Representative, Europe |
| JCSS | Joint Communications Support Squadron |
| JCST | Joint Combined System Test |
| JCST | Joint Committee on Specialist Training |
| JCSTC | Joint Command Staff Training Centre |
| JCSW | Joint Command SouthWest |