S1, E7: The Marines, including the newly christened Sledgehammer, continue the battle of Peleliu against an enemy determined to fight to the last man. Devastated by the loss of a revered leader, and witnessing unimaginable barbarity on both sides, Sledge veers to the very edge of moral collapse. Their objective finally secured, the Marines return to Pavuvu fundamentally changed by their experience on Peleliu.