USS Iowa (BB-61) 1948, as part of the post World War II drawdown of the armed forces, "Iowa" was deactivated at San Francisco, and then formally decommissioned into the United States Navy reserve fleets on 24 March 1949. In 1950, North Korea invaded South Korea, prompting the United Nations to authorize military intervention. President Harry S. Truman ordered US forces stationed in Japan to transfer to South Korea. Truman also sent US based troops, tanks, fighter and bomber aircraft, and a strong naval force to the area to support South Korea. As part of the naval mobilization, "Iowa" was reactivated on 14 July
United States Air Force In South Korea Japan to South Korea, the evacuation of American civilian nationals, and obtaining significant intelligence through aerial reconnaissance of North Korean troop movements south. Fighter-bomber ground attack missions by Japan-based F-80Cs significantly slowed the North Korean Army's advance during July 1950. On 13 July, the FEAF Bomber Command took over command of the 19th Bombardment Group and of the 22nd and 92nd Bombardment Groups which had been transferred from Strategic Air Command (SAC) bases in the United States to Japan. These B-29 Superfortress units were used in tactical attacks which were not very successful. Despite repeated air attacks by UN aircraft