The Marines are deployed to back up the UN forces facing disaster in the Naktong Bulge and by the end of the week the tide has turned, and the crack North Korean 4th Division has been shattered. There is also fighting around the whole rest of the Pusan Perimeter, and it is shrinking from all the attacks, though on the east coast the battle goes in favor of the South Korean forces this week at Pohang-Dong.