U.S. Soldiers, assigned to the 412th Aviation Support Battalion conduct training using the Dismounted Soldier Training System (DSTS) at the 7th Army Joint Multinational Training Command in Grafenwoehr, Germany, Dec. 11, 2013. The DSTS was the first fully-immersive virtual simulation for infantry... (U.S. Army photo by Markus Rauchenberger/released)........