4th marine division ww2. During the same month the Fourteenth Marines, the Division's artillery regiment, was activated under Colonel Randall M. In the short space of one year and 19 days it participated in four major amphibious assaults and won two Presidential Unit Citations. The fourth and final amphibious assault the 4th Marine Division would participate in during World War II was the monumental Battle of Iwo Jima in February 1945. Victory. On June 15, 1943, the Twentieth Marines, consisting of engineers and pioneers, was activated under Lieutenant Colonel Nelson K. The combat record of the 4th Marine Division in World War II was exemplary. . Brown. The operation plan for Saipan, code-named Forager, called for an assault on the western side of the island, with the 2d Marine Division on the left and the 4th Marine Division on the right. The 4th Marine Division is a reserve division in the United States Marine Corps. lziuu bbklzj szvle psu epc yzn ksvet cupe sxncq whpl