An M249 light machine gun sits, caked in mud, during skill level one task training, ahead of lanes training validation at the Army Reserve’s Combat Support Training Exercise 78-18-03, at Fort Knox, Kentucky, Mar. 20, 2018. CSTX 78-18-03 ensures that America’s Army Reserve units and Soldiers are trained and ready to deploy on short-notice and bring capable, combat-ready, and lethal firepower in support of the Army and our joint partners anywhere in the world. (U.S. Army Reserve photo by Anthony L. Taylor)