Polish 2nd Lt. Wojciech Zaras (left), a platoon leader for the 12th Mechanized Brigade, and U.S. Army 1st Lt. Nate Hinesley (right), a platoon leader with the Headquarters and Headquarters Company, 82nd Brigade Engineer Battalion, 2nd Armored Brigade Combat Team, 1st Infantry Division, from Fort Riley, Kansas, plan a chemical, biological, radiological and nuclear defense (CBRN) exercise in Hohenfels Training Area, Germany, Jan. 23, 2018 during Allied Spirit VIII. Allied Spirit VIII is a multinational exercise with over 4,100 participants from 10 nations that is designed to enhance interoperability and readiness across war-fighting functions. (U.S. Army photo by Spc. Hubert D. Delany III / 22nd Mobile Public Affairs Detachment)