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
South Korea apply since 2011. In addition to male conscription in South Korea's sovereign military, 1,800 Korean males are selected every year to serve 21 months in the KATUSA Program to further augment the United States Forces Korea (USFK). In 2010, South Korea was spending ₩1.68 trillion in a cost-sharing agreement with the US to provide budgetary support to the US forces in Korea, on top of the ₩29.6 trillion budget for its own military. The South Korean army has 2,500 tanks in operation, including the K1A1 and K2 Black Panther, which form the backbone of the South Korean army's mechanized armor