Colour Sergeant John Brown, right, assigned to the British Joint European Training Team, briefs a group of tri-service members of the British Armed Forces assigned to Joint Forces Command Naples, Italy, about Chemical, Biological, Radiological and Nuclear (CBRN) procedures inside the U.S Army Training Support Center Benelux CBRN chamber on Chièvres Air Base, Belgium, Feb. 26, 2015. (U.S. Army photo by Visual Information Specialist Pierre-Etienne Courtejoie / Released)