U.S. Air Force Col. David Williams, 39th Mission Support Group commander, passes the guidon to U.S. Air Force Maj. Francine Kwarteng as she assumes command of the 39th Logistics Readiness Squadron during a formal ceremony at Incirlik Air Base, Turkey, June 13, 2018. The passing of the guidon signifies the formal transfer of authority and responsibility from one commanding officer to another. (U.S. Air Force photo by Airman 1st Class Octavius Thompson)