United States military attack against Japan on Kwajalein Island in World War II

VS armada of amphibious landers filled with soldiers / VS on shore tanks, artillery / soldiers with big checkerboard targets on backs make way up beach and over dunes into thicket / soldiers firing into jungle / soldiers make way through forest of broken palm trees / three soldiers fire machine gun into trees / VS dead Japanese soldier caught in crook of tree / VS gun battle, soldiers firing into Japanese bunkers, advancing through trees / tank rolls through destroyed jungle toward fortress