INCIRLIK AIR BASE, Turkey --   U.S. Air Force Maj. Yogi Lebby, 447th Expeditionary Aircraft Maintenance Squadron incoming commander, speaks with a group of Airmen, after assuming command July 14, 2017, at Incirlik Air Base, Turkey. A change of command ceremony is a tradition that represents a formal transfer of authority and responsibility from the outgoing commander to the incoming commander. (U.S. Air Force photo by Airman 1st Class Devin M. Rumbaugh)