the_ww2_memoirs US Marines fire onto Japanese positions atop the summit of Mount Topachau which over looked the entirety of the island of Saipan, Mariana Islands, early July, 1944. The fighting in and around Mount Topachau was especially costly with regions of the area gaining nicknames like &quot;Purple Heart Ridge, &quot;Death Valley&quot;, and &quot;Hells Pocket.&quot; The Japanese had most of their defensive positions set up in the caves and hills on or around Mount Topachau which was the reason for the…