U.S. Army soldiers of the 541st Engineer Company come to a halt after a simulated improvised explosive device is detonated during a situational training exercise at the Joint Multinational Readiness Center in Hohenfels, Germany, Dec. 2, 2012. The STX is designed to prepare and train U.S. and multinational forces for medical evacuation and route clearance operations in the Afghanistan operational environment. (U.S. Army photo by Spc. W. Ryan Livingston/Released)