to the training mission. Accordingly, it adopted a more functional system in which each of its bases was organized into a separate numbered unit. In the general reorganization, the group was disbanded on 10 April 1944 and replaced by Army Air Forces Base Units at Richmond and Norfolk as part of a major reorganization of the Army Air Forces. Cold War The group was reconstituted, redesignated as the 327th Fighter Group (Air Defense), and activated in 1955 to replace the 520th Air Defense Group as part of Air Defense Command's Project Arrow, which was designed to bring back on the active list the fighter units which had compiled memorable records in the two world wars. It assumed the personnel and equipment of the 520th, while the 520th's operational squadrons, the 432d and 456th Fighter-Interceptor Squadrons transferred their personnel and rocket armed and radar equipped North American F-86D Sabres to the 323d and 325th Fighter-Interceptor Squadrons, which moved on paper to Truax from Larson Air Force Base, Washington and Hamilton Air Force Base, California respectively. These moves were made because another purpose of Project Arrow was to reunite fighter squadrons with their traditional groups. The group was assigned air defense of Great Lakes area and also was the host organization for USAF units at Truax. It was assigned a number of support organizations to fulfill its host responsibilities. The group's 323d Squadron converted to Convair F-102A Delta Daggers in November 1956, while the 325th Squadron followed in February 1957. In October 1957, the 61st Fighter-Interceptor Squadron was assigned to the group and moved to Truax Field from Ernest Harmon Air Force Base, Canada, where it had been part of the 4731st Air Defense Group, in a swap with the 323d, which replaced the 61st at Ernest Harmon. The group was reduced to a single operational squadron in 1960, when the 61st inactivated. On 22 October 1962, at the beginning of the Cuban Missile Crisis, when President Kennedy announced the presence of Soviet intermediate-range ballistic missiles in Cuba. Continental Air Defense Command (CONAD) directed the dispersal of interceptors within the United States. The group sent one third of its aircraft to Grand Island Airport, Nebraska. All group aircraft, including those at home and those at Grand Island were armed and placed on fifteen-minute alert status. The increased alert posture was maintained through mid-November, when CONAD returned units to their normal alert status,