U.A. Army Brig. Gen. Matthew Valas, commander NATO HQ Sarajevo, presides over the chief of staff transfer of authority on May 14, 2024, in Camp Butmir, Bosnia & Herzegovina. Hungarian Army Col. Kiss, incoming chief of staff, takes authority from Hungarian Army Col. Nosza, outgoing chief of staff. After the ceremony Col. Nosza meets with the NHQSa staff as part of his going away reception. (U.S. Air Force photo by Master Sgt. Anthony Kuhn)