U.S. Soldiers with Headquarters and Headquarters Battery, 210th Fires Brigade, 2nd Infantry Division, conduct chemical, biological, radiological, nuclear (CBRN) training at Camp Casey in Gyeonggi province, South Korea, June 6, 2013. The CBRN training equips Soldiers with the ability to successfully operate in a contaminated environment. (U.S. Army photo by Pfc. Han-byeol Kim/Released)