The division was established as the 327th Air Division on 22 June 1957, and activated on 1 July 1957 at Andersen AFB, Guam. It then assumed responsibility for the defense of the Mariana Islands against air attack. To accomplish this mission, the division controlled the 832d Aircraft Control and Warning Squadron, and the 41st Fighter-Interceptor Squadron (flying F-86 Sabres). In addition to Air Force training, these units also trained with naval organizations and participated in military exercises. It was discontinued on 8 March 1960.