| Abbreviation | Definition |
|---|---|
| JTRS | Joint Tactical Radio System |
| JTS | Joint Targeting School |
| JTS | Joint Training System |
| JTS | Joint Travel Services |
| JTSG | Joint Targeting Steering Group |
| JTSSCCB | Joint Tactical Switched Systems Configuration Control Board |
| JTSST | Joint Training System Support Team |
| JTT | Joint Tactical Terminal |
| JTT | Joint Targeting Toolbox |
| JTT | Joint Training Team |
| JTTF | Joint Terrorism Task Force |
| JTTF | Joint Terrorism Task Forces |
| JTTP | Joint Tactics, Techniques, and Procedures |
| JTTR | Joint Theater Trauma Registry |
| JTTR | Joint Theatre Trauma Registry |
| JTTS | Joint Theater Trauma System |
| JTUPO | Joint Tactical UAV Program Office |
| JTX | Joint Training Exercise |
| JUG | Joint User Group |
| JUG | JOPES (Joint Operations Planning and Execution System) User Group |