U.S. Army Brig. Gen. Christopher J. Petty, incoming commander of North Atlantic Treaty Organization (NATO) Headquarters Sarajevo, U.S. Air Force Brig. Gen. Merle D. Hart, outgoing commander and Admiral Bruce W. Clingan, Commander Allied Joint Force Command Naples, Commander of U.S. Naval Forces Europe and Commander, U.S. Naval Forces Africa, salute during the U.S. National Anthem, Camp Butmir, Bosnia, June 25, 2014. Petty succeeds Hart as the 20th Commander and Senior Military Representative of NATO Headquarters Sarajevo. (U.S. Air National Guard photo by Staff Sgt. Sarah Mattison)