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
North Korea–South Korea relations an explosion at the stern, and was investigating whether a torpedo attack was the cause. Out of 104 sailors, 46 died and 58 were rescued. South Korean President Lee Myung-bak convened an emergency meeting of security officials and ordered the military to focus on rescuing the sailors. On May 20, 2010, a team of international researchers published results claiming that the sinking had been caused by a North Korean torpedo; North Korea rejected the findings. South Korea agreed with the findings from the research group and President Lee Myung-bak declared afterwards that Seoul would cut all trade with North Korea