U.S. Air Force Lt. Col. Allen Spillers, commander of the 307th Civil Engineer Squadron, stands at attention during the 307th CES change of command ceremony at Barksdale Air Force Base, Louisiana, July 14, 2018. Spillers relinquished command to Lt. Col. Timorah Beales during the ceremony. (U.S Air Force photo by Technical Sgt. Cody Burt/Released)