The Tucson Air Museum Foundation of Pima County established the Titan II Intercontinental Ballistic Missile Museum on May 8, 1986. The site preserves the history of the 571st SMS, 390th SMW, Davis-Monthan AFB strategic alert mission from July 1963 to November 1982. It was designated a National Historic Landmark on April 6, 1994, and dedicated on October 14, 1994.