Soldiers with the U.S. Army Reserve, competing in a

Soldiers with the U.S. Army Reserve, competing in a Sapper Stakes competition head to the starting line of the 10-mile ruck march at Fort McCoy, Wis., June 16, 2013. The Sapper Stakes competition, held by the 863rd Engineer Battalion, based out of Darien, Ill., is designed to test the Soldier's physical strength and technical skills while providing a team building atmosphere. (U.S. Army photo by Sgt. 1st Class Marisol Hernandez/Released)