U.S. Army Reserve soldiers conduct functions check and weapon familiarity on the Mark 19 during Operations Cold Steel II, hosted by the 79th Theater Sustainment Command at Fort Hunter Liggett, Calif., Nov. 15, 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 Spc. Noel Williams U.S. Army Reserve Command)