The 819th Strategic Aerospace Division is an inactive United States Air Force organization. Its last assignment was with Second Air Force of Strategic Air Command (SAC) at Dyess Air Force Base, Texas, where it was inactivated on 2 July 1966.The division was activated as the 819th Air Division in 1956 to command two Boeing B-47 Stratojet wings that SAC was organizing at Dyess. "The division emphasized flying operations, flying training, and aircraft maintenance.