U.S. Air Force Col. David Harris Jr., 449th Air Expeditionary Group commander, accepts the guidon from U.S. Air Force Maj. Gen. Carlton Everhart II, 3rd Air Force vice commander and U.S. Air Forces Africa commander, during a change of command ceremony, July 23. The ceremony introduced Harris as the 449th AEG commander and bid farewell to U.S. Air Force Col. Dean Lee.