Eight C-130Js prepare to take-off June 18, 2016, at Dyess Air Force Base, Texas. Thirteen C-130s from the 39th Airlift Squadron supported a Joint Forcible Entry Exercise. JFEX is an exercise that tests the Air Force’s capability for tactical airlift by being able to get troops to a simulated harsh environment. (U.S. Air Force photo by Airman 1st Class Austin Mayfield/ Released)