A U.S. Air Force crew chief assigned to the 480th Aircraft Maintenance Unit, signals an F-16 Fighting Falcon fighter aircraft assigned to the 480th Expeditionary Fighter Squadron for departure from the flightline during a flying training deployment at Souda Bay, Greece, Jan. 28. 2016. More than 300 personnel from Spangdahlem Air Base, Germany, participated in the flying training deployment between the Hellenic and U.S. Air Forces at Souda Bay, Jan. 22-Feb. 15, 2016. (U.S. Air Force photo by Staff Sgt. Christopher Ruano/Released)