He won the Battle of Inchon through amphibious assault. This was launched at a distance from the Pusan Perimeter. This halted the number of victories by the North Koreans and turned the tide of the war over the U.N. forces.
Answer:
A surprise amphibious assault far from the perimeter where the United Nations and the Republic of Korea Army were fighting.
Explanation:
The battle of Inchon was part of the Korean war and resulted in a decisive victory for the United Nations.
The capture of the city ended a string of victories of the Korean People´s Army. The codename was Operation Chromite and led to the recapture of Seoul two weeks later.
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