The tunnels of Iwojima snake deep beneath the volcanic rock and soil, their entrances camouflaged by a dense tangle of vines and tall grasses.

In their stifling heat, Tsuruji Akikusa suffered months of hunger and thirst. The bodies of dead comrades lay around him. His closest buddy blew himself up with a grenade rather than surrender.

Finally, Akikusa was the only one left alive in his cave.