U.S. Air Force Col. Casey Cooley, 307th Maintenance Group commander, presents his wife, Julie, with a gift during an assumption of command ceremony at Barksdale Air Force Base, La., Feb.10, 2018. During the ceremony, Cooley took command of the 307th MXG, a total force integraion unit of more than 500 reserve and active-duty Airmen. (U.S. Air Force photo by Master Sgt. Greg Steele/released)