Operation Cold Steel 2017
U.S. Army Reserve Pvt. Eduardo Guillen, 419th Combat Sustainment Support Battalion, 79th Sustainment Support Command, completes blank-fire with an M240B machine gun during Operation Cold Steel at Fort McCoy, Wis., April 22, 2017. Operation Cold Steel 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 and bring combat-ready and lethal firepower in support of the Army and our joint partners anywhere in the world. (U.S. Army Reserve photo by Staff Sgt. Debralee Best, 84th Training Command)