The 389th Strategic Missile Wing is an inactive unit of the United States Air Force. Its last assignment was with the 13th Strategic Missile Division at Francis E. Warren Air Force Base, Wyoming, where it was inactivated on 25 March 1965. The 389th Strategic Missile Wing was activated in 1961, when it assumed the assets of the inactivating 706th Strategic Missile Wing. It operated Atlas missiles at Warren until they were phased out in 1965. In early 1984, the group and wing were consolidated into a single unit, but have not been active since.