U.S. Army Reserve Staff Sgt. Jesus Valles, primary

U.S. Army Reserve Staff Sgt. Jesus Valles, primary marksmanship instructor with Task Force Coyote, Operation Cold Steel, instructs Troop List Unit Soldiers on operating an AN/PAS-13 thermal weapon sight during Operation Cold Steel II at Fort Hunter Liggett, Calif., Oct. 24, 2017. Operation Cold Steel II is the U.S. Army Reserve's crew-served weapons qualification and validation exercise to ensure that America's Army Reserve units and Soldiers are trained and ready to deploy on short notice, bringing combat-ready and lethal firepower in support of the Total Army and our Joint Force anywhere in the world. (U.S. Army Reserve photo by Spc. Kati Waxler/4th ESC)