J
- JAG – Judge Advocate General
- J.S.F – Joint Strike Fighter
- JATO – Jet-fuel Assisted Take Off
- JETDS – Joint Electronics Type Designation System
- JSAM – Joint Service Achievement Medal
- JSTAR – Joint Surveillance Target Acquisition Radar
- JSOC – Joint Special Operations Command
- JDAM – Joint Direct Attack Munition
Read more about this topic: List Of U.S. Government And Military Acronyms