A U.S. Air Force combat control Airman from the 320th Special Tactics Squadron, and U.S. Marine Corps marine joint terminal attack controllers from the 5th Air Naval Gunfire Liaison Company, III Marine Expeditionary Force, call in close air support March 10, 2017, at the Irisuna Jima Training Range, Okinawa, Japan. Members of the 320th STS and III MEF frequently training together to in order to maintain an understanding of each other's practices and capabilities. Combat control Airmen and JTAC Marines are experts at calling in air support in hostile, complex environments. (U.S. Air Force photo by Senior Airman John Linzmeier)