U.S. Air Force Brig. Gen. Robert Huston, NATO Headquarters Sarajevo commander, conducts a lecture on Euro-Atlantic Security to international students Nov. 30, 2017 at Camp Butmir, Bosnia and Herzegovina. The Peace Support Operations Training Centre conducted a four day course attended by military, police and postgraduate students and the focus was to expand participant’s knowledge about the factors affecting security policy. (U.S. Air Force photo by Staff Sgt. Amber Sorsek)