U.S. soldiers of 1st Platoon, 370th Engineer Company pull security during a situational training exercise (STX) at the Joint Multinational Readiness Center in Hohenfels, Germany, Nov. 14, 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. Wayne Becton)