Combat engineers with 8th Engineer Support Battalion, 2nd Marine Logistics Group, 2nd Marine Expeditionary Force, shoot the Benelli M4 Super 90 shotgun at Engineer Training Area 1 aboard Marine Corps Base Camp Lejeune, N.C., Feb. 12, 2015. Before breaching with the shotgun, Marines took their time simply familiarizing themselves with the weapon in order to find a comfort level with it, before moving on to entering doorways with it. - Combat engineers with 8th Engineer Support Battalion, 2nd Marine Logistics Group, 2nd Marine Expeditionary Force, shoot the Benelli M4 Super 90 shotgun at Engineer Training Area 1 aboard Marine Corps Base Camp Lejeune, N.C., Feb. 12, 2015. Before breaching with the shotgun, Marines took their time simply familiarizing themselves with the weapon in order to find a comfort level with it, before moving on to entering doorways with it.