Reserve soldiers participate in Operation Cold Steel
Expended shell casings fall into a Humvee from the gunner position during a firing exercise as part of Operation Cold Steel at Fort McCoy, Wis., on April 02, 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, lethal firepower in support of the Army and our joint partners anywhere in the world. (U.S. Army Reserve photo by Spc. Jeremiah Woods, 358th Public Affairs Detachment / Released)