Sailors with Bravo Surgical Company, 1st Medical Battalion, 1st Marine Logistics Group, perform life-saving drills, displaying their medical expeditionary capabilities in support of Marines from 1st Battalion, 5th Marine Regiment, 1st Marine Division, during a mass casualty exercise aboard Camp Pendleton, Calif., Sept 8, 2015 as part of Dawn Blitz 2015. - Sailors with Bravo Surgical Company, 1st Medical Battalion, 1st Marine Logistics Group, perform life-saving drills, displaying their medical expeditionary capabilities in support of Marines from 1st Battalion, 5th Marine Regiment, 1st Marine Division, during a mass casualty exercise aboard Camp Pendleton, Calif., Sept 8, 2015 as part of Dawn Blitz 2015.