Marines from Battery M, 3rd Battalion, 14th Marine Regiment, 4th Marine Division, fire the M240 machine gun at targets down range at Pelham Range in Anniston, Ala., on Sept. 19, 2015. The Marines attended training to hone skills and increase their proficiency in crew-served weapons systems. - Marines from Battery M, 3rd Battalion, 14th Marine Regiment, 4th Marine Division, fire the M240 machine gun at targets down range at Pelham Range in Anniston, Ala., on Sept. 19, 2015. The Marines attended training to hone skills and increase their proficiency in crew-served weapons systems.