U.S. Air Force Capt. Jason, 22nd Expeditionary Air Refueling Squadron KC-135 Stratotanker aircraft commander, speaks with ground crews over the radio while performing preflight inspections Sept. 19, 2016, at Incirlik Air Base, Turkey. Communications between air and ground crews are essential to everyday flight operations. (U.S. Air Force photo by Staff Sgt. Jack Sanders)