August 24, 2021 - U.S. Marines with 3rd Battalion, 1st Marine Regiment, 1st Marine Division, assault a series of trenches live-firing their weapons in coordinated effort during the Super Squad 21 competition on Range 800 at Marine Corps Base Camp Pendleton, California. The week-long Super Squad competition tests infantry squads in a variety of combat related skills and determines the most effective squad in the division.