| Abbreviation | Definition |
|---|---|
| EWVA | EW Vulnerability Analysis |
| EX | EXercise |
| EXCAP | Exercise Capability |
| EXCELS | Extended Capability Emitter Location System |
| EXCIMS | Executive Council For Modeling and Simulations |
| ExCom | Executive Committee |
| EXCON | Executive Committee |
| EXCON | Executive Control |
| EXCON | Exercise Control |
| EXDIR | Executive Director (CIA) |
| EXDIR/ICA | Executive Director For Intelligence Community Affairs (USG) |
| EXDIS | Exclusive Distribution |
| EXECCTL | Execution Control |
| EXECSEC | Executive Secretary |
| EXER | Exercise |
| EXEVAL | Exercise Evaluation |
| EXEVAL | External Evaluation |
| EXFIL | Exfiltration |
| EXFOR | Exercise Force |
| EXFOR | Experimental Force |