 However, SAC Major Command Controlled (MAJCON) units could not carry a permanent history or lineage.and SAC looked for a way to make its these wings permanent.In 1962, in order to perpetuate the lineage of many currently inactive bombardment units with illustrious World War II records, SAC received authority from USAF to discontinue its MAJCON 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.