Twentieth Air Force Bombardment Group, remaining at North Field, Guam as its only operational organization. In 1949, budget reductions forced the realignment and consolidation of Air Force units in the pacific, and the mission of Twentieth Air Force became the defense of the Ryukyu Islands and was reassigned to Kadena AB, Okinawa. It commanded the following units: On 27 June 1950, the United Nations Security Council voted to assist the South Koreans in resisting the invasion of their nation by North Korea. President Harry S. Truman authorized General Douglas MacArthur (commander of the US occupying forces in Japan) to commit units to the
II Corps (South Korea) reinforced by the People's Volunteer Army. U.S. Army General Walker ordered that the scattered ROK Army units, scattered by the North Korean invasion be organized into two corps. Thus the II Corps was born July 24, 1950 to defend the "Pusan Perimeter". On October 10, 1950, the ROK II Corps advanced north of the 38th parallel through central North Korea. They were operating in support of ROK I Corps which was under the command of U.S. Army General Walker. After encountering minimal resistance, they veered northwest. On October 24, hoping to end the conflict quickly, General MacArthur ordered all of