U.S. Army Brig. Gen. Marti Bissell, outgoing commander of NATO Headquarters Sarajevo, gives a speech during a transfer of authority ceremony at the Army Hall, Dec. 12, 2019, in Sarajevo, Bosnia-Herzegovina. Bissell relinquished her command after almost 18 months in Bosnia-Herzegovina to U.S. Army Brig. Gen. William J. Edwards during the ceremony. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)