U.S. Army Spc. James Singer, food service technician, 851st Transportation Company, participates in the Reconfigurable Vehicle Tactical Trainer (RVTT) competition during the 2013 Army Reserve Best Warrior Competition at Fort McCoy, Wis., June 24, 2013. The RVTT was used for combat convoy training. (U.S. Army photo by Sgt. 1st Class Scott D. Turner/Released)