Soldiers belonging to the 450th Engineer Company, the 350th Eng. Co., and the 374th Eng. Co., move through concealing smoke to enter and clear a building, as one of the evaluated exercises for Sapper Stakes at Fort McCoy, Wis. on May 6, 2014. Sapper Stakes is a combined competition hosted by the 416th Theater Engineer Command and the 412th TEC to determine the best combat engineer team in the Army Reserve. (U.S. Army photo by Sgt. 1st Class Michel Sauret)