...but decided to just post it, instead. Marines with Combat Assault Battalion, Ground Combat Element, 3rd Marine Expeditionary Brigade Forward, III Marine Expeditionary Force, in amphibious assault vehicles train with smoke grenades here Feb. 11, 2011. The training evolution also included courses of fire with the M2 50. caliber heavy machine gun and the Mk19 automatic grenade launcher at a newly-constructed range built for multinational training by Marines from 4th Marine Regiment, 3rd Marine Division...