CSTX 86-17-02 TAA Operations
U.S. Army Reserve Pfc. Deontrius Martin, 704th Engineer Company (right), and Pfc. Matthew Joy provide area security during Combat Support Training Exercise (CSTX) 86-17-02 at Fort McCoy, Wis., August 14, 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)