U.S. Army Reserve Sgt. Kristie Justice, 489th Transportation Company (Seaport Operations), 377th Theater Sustainment Command, qualifies on the M2 .50 caliber machine gun to prepare for mounted gunnery during Operation Cold Steel at Fort McCoy, Wis., March 19, 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)