sentences:  In 1962, in order to perpetuate the lineage of many currently inactive bombardment units with illustrious World War II records, Headquarters SAC received authority from Headquarters USAF to discontinue its Major Command controlled (MAJCON) strategic wings that were equipped with combat aircraft and to activate Air Force controlled (AFCON) units, most of which were inactive at the time which could carry a lineage and history.The 4039th SW was replaced by the newly constituted 416th Bombardment Wing (416th BW) on 1 February 1963 and was assigned to SAC's 6th Air Division.The 75th BS was also replaced by the 668th Bombardment Squadron, one of the unit's World War II historical bombardment squadrons.