U.S. Army Reserve Troop List Unit Soldiers wait in staged vehicles preparing to go downrange for mounted night live-fire qualification during Operation Cold Steel II at Fort McCoy, Wis., April 11, 2018. Operation Cold Steel is the U.S. Army Reserve’s crew-served weapons qualification and validation exercise to ensure America’s Army Reserve units and Soldiers are trained and ready to deploy on short notice as part of Ready Force X 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 Spc. Devona Felgar/301st Maneuver Enhancement Brigade)