Timeline of United States military operations May 1949. 1948–1949: China: Marines were dispatched to Nanking to protect the American Embassy when the city fell to Communist troops, and to Shanghai to aid in the protection and evacuation of Americans. 1950–1953: Korean War: The United States responded to the North Korean invasion of South Korea by going to its assistance, pursuant to United Nations Security Council resolutions. US forces deployed in Korea exceeded 300,000 during the last year of the active conflict (1953). Over 36,600 US military were killed in action. 1950–1955: Formosa (Taiwan): In June 1950, at the beginning of the Korean War, President Truman ordered
President of South Korea President of South Korea The President of the Republic of Korea () is, according to the South Korean constitution, the chairperson of the cabinet, the chief executive of the government, commander-in-chief of the armed forces, and the head of state of South Korea. The Constitution and the amended Presidential Election Act of 1987 provide for election of the president by direct, secret ballot, ending sixteen years of indirect presidential elections under the preceding two governments. The president is directly elected to a five-year term, with no possibility of re-election. If a presidential vacancy should occur, a successor must be elected