U.S. Army Reserve Soldiers leverage the engagement skills trainer during Operation Cold Steel 2017
U.S. Army Reserve Sgt. Timothy McCoy, preliminary marksmanship instructor, demonstrates how to perform a function check on an MK-19 automatic grenade launcher during preliminary marksmanship instruction during Operation Cold Steel at Fort McCoy, Wis., March 12, 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)