Armed Forces of Bosnia and Herzegovina Sgt. Maj. Krunoslav Zelenika, AFBiH 4th Infantry Brigade command sergeant major, accepts the NATO Headquarters Sarajevo unit guidon from U.S. Marine Corps Cpl. Kyle Elliot, NHQSa command driver and personal security detail, 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)