<human>:  When was the Strategic Air Command created?
<bot>: The Strategic Air Command was created in 1947. The Strategic Air Command is a United States Air Force (USAF) combat command. It is responsible for the air defense of the United States. The SAC is the largest of the USAF's numbered air forces, with over 70,000 personnel, and is headquartered at Offutt Air Force Base near Omaha, Nebraska.