U.S. Army Sgt. Kristopher A. Grayson participates in the obstacle course portion of the U.S Army's Best Warrior Competition on Fort A.P. Hill, Va., Oct. 5, 2015. The weeklong competition tests the skills, knowledge and professionalism of 26 warriors representing 13 commands. Grayson is assigned to Headquarters and Headquarters Company, 53rd Signal Battalion, U.S. Army Space and Missile Defense Command. U.S. Army photo by Spc. Wes Conroy