U.S. Army Brig. Gen. William J. Edwards, NATO Headquarters Sarajevo commander, right, passes the unit guidon to Armed Forces of Bosnia and Herzegovina Sgt. Maj. Krunoslav Zelenika, AFBiH 4th Infantry Brigade command sergeant major, left, during a transfer of authority ceremony at the Army Hall, Dec. 12, 2019, in Sarajevo, Bosnia-Herzegovina. Zelenika acted as the honorary sergeant major during the ceremony, symbolizing the deep relationship between NHQSa and the AFBiH. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)