U.S. Air Force Reserve Brig. Gen. Merle D. Hart returns the North Atlantic Treaty Organization (NATO) colors to Adm. Bruce W. Clingan, commander Allied Joint Force Command Naples, commander of U.S. Naval Forces Europe and commander, U.S. Naval Forces Africa, during a transfer of authority ceremony, at Camp Butmir, Bosnia, June 25, 2014. Hart is succeeded by U.S. Army National Guard Brig. Gen. Christopher J. Petty, from the Colorado National Guard. (U.S. Air National Guard photo by Staff Sgt. Sarah Mattison)