U.S. Army Reserve Staff Sgt. Matthew Brown, 454

U.S. Army Reserve Staff Sgt. Matthew Brown, 454 Transportation Company, conducts a key leader engagement (KLE) with role players during Combat Support Training Exercise (CSTX) 86-17-02 at Fort McCoy, Wis., August 13, 2017. CSTX includes more than 12,000 service members from the Army, Navy, Air Force and Marine Corps as well as from six countries. CSTX is a large-scale training event where units experience tactical training scenarios specifically designed to replicate real-world missions. (U.S. Army Reserve photo by Spc. John Russell/Released)