Army Reserve Soldiers qualify with Mark 19 40
Shell casings lay on the ground as U.S. Army Reserve Soldiers complete qualification on a Mark 19 40 mm grenade machine gun during Operation Cold Steel II hosted by the 377th Theater Sustainment Command at Fort Knox, Ky., April 5, 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 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 Sgt. Jasmine Spain/1190th Transportation Surface Brigade)