| Abbreviation | Definition |
|---|---|
| JFSOCC | Joint Force Special Operations Control Center |
| JFSOCC-I | Joint Forces Special Operations Component Command-Iraq |
| JFT | Joint Forces Training |
| JFTX | Joint Field Training Exercise |
| JFU | Japanese Fouler- Upper ( WW II dummy Aircraft type) |
| JFU | Joint Forces Unit |
| JFUB | Joint Facilities Utilization Board |
| JFW | Joint Forces Warfare |
| JFW | Joint Forces Warfighter |
| JFX | Joint Forces Exercise |
| JG | Joint Goal |
| JG | Junior Grade |
| JG | Lieutenant, Junior Grade ( U S Navy) |
| JGAT | Joint Guidance Apportionment and Targeting |
| JGC | Joint Guidance Committee |
| JGG | Jacksons Gettysburg Generals |
| JGSDF | Japan Ground Self Defense Force |
| JHMCS | Joint Helmet-Mounted Cueing System |
| JHOC | Joint Humanitarian Operations Course |
| JHP | Jacketed Hollow Point |