U.S. Army Reserve Sgt. Kevin Troung, 1017th Quartermaster Company, Camp Pendleton, Calif., reviews a range card with Sgt. Eric Terrill as part of a defense scenario at Tactical Assembly Area Schoonover fuel point during Combat Support Training Exercise 91-16-06, Fort Hunter Liggett, Calif., June 17, 2016. As the largest U.S. Army Reserve training exercise, CSTX 91-16-02 provides Soldiers with unique opportunities to sharpen their technical and tactical skills in combat-like conditions. (U.S. Army photo by Spc. Daisy Zimmer, 367th Mobile Public Affairs Detachment)