U.S. Air Force Lt. Col. Charles McCoy , 307th Operations Support Squadron commander, speaks to the unit during a change of command ceremony for the unit Dec. 6, 2020 at Barksdale Air Force Base, Louisiana. He took over from Lt. Col. Joanna Mitchell, who is scheduled to transfer to Duke Field, Florida. (U.S. Air Force photo by 2nd Lt. Cody Burt)