What was general Douglas mac Arthur first victory with allied troops in Korea?

General Douglas MacArthur's first significant victory with Allied troops in Korea was the successful amphibious landing at Incheon on September 15, 1950. This operation, known as Operation Chromite, allowed UN forces to outflank North Korean troops and recapture Seoul shortly thereafter. The landing was a pivotal moment in the Korean War, reversing the tide of the conflict in favor of the UN forces and marking a turning point in the struggle against North Korean aggression.