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
Air Battle of South Korea Base. MacArthur ordered another 250 aircraft brought to Korea for the conflict. North Korean aircraft first met US aircraft in combat during the Battle of Suwon Airfield, in which seven of the 13 North Korean aircraft were destroyed. The North Korean Lavochkin La-7 and Ilyushin Il-10 aircraft were easily outmatched by the superior North American F-82 Twin Mustang and F-80C Shooting Star aircraft, which also had better-trained pilots. The planes of the 8th Fighter Wing, which were attempting to defend Suwon to allow evacuation of UN civilians encountered repeated harassing attacks from North Korean aircraft operating out of Heijo Airfield