Gimhae Air Base Korean War as Pusan West (K-1) Air Base and hosted United States Air Force and United States Marine Corps units. On 25 June 1950, 10 divisions of the North Korean People's Army attacked the Republic of Korea. The North Koreans quickly overwhelmed the South Korean Army and moved south. Following the passing of United Nations Security Council Resolution 83 on 27 June 1950, President Truman ordered US forces to defend the Republic of Korea. On 30 June 1950 C-54s of the Fifth Air Force began transporting a battalion of the 24th Infantry Division from Itazuke Air Base to K-1, however
United States Air Force In South Korea North Korean forces largely removed from the South, the United Nations decided to enforce its prewar intention of reuniting all of Korea under one government, and UN forces advanced across the 38th parallel and into North Korea in early October 1950. However, the decision to cross the 38th Parallel appears, in retrospect, to have been the turning point in the Korean War. On 1 October Chinese Premier Chou En-lai warned that China would not tolerate or stand aside if UN forces invaded North Korea. This was a clear threat that China would intervene if that should happen. On the second