Vandenberg Air Force Base present . Today, Vandenberg stands as the third-largest Air Force base after Eglin Air Force Base in Florida, and Edwards Air Force Base in California. On 4 October 1958, Cooke AFB was renamed Vandenberg AFB, in honor of General Vandenberg, the Air Force's second Chief of Staff. The transition from Army camp to missile base solidified on 15 December 1958 when Vandenberg AFB successfully launched its first missile, a PGM-17 Thor IRBM (Intermediate Range Ballistic Missile) The launch from Vandenberg inaugurated the intermediate-range ballistic missile portion of the Pacific Missile Range and was fired by a crew from the 1st
Hanscom Air Force Base size, to be redesignated the 66th Air Base Group. In June 2011, the Air Force Research Laboratory Sensors Directorate moved from Hanscom to Wright-Patterson AFB, Ohio, and the Space Vehicles Directorate moved to Kirtland Air Force Base, New Mexico, closing more than 60 years of laboratory presence on Hanscom. The Electronic Systems Center as an organization was realigned in July 2012, and became a part of the newly created Air Force Life Cycle Management Center at Wright-Patterson AFB, Ohio. The B-25 bomber which crashed into the Empire State Building on July 28, 1945, took off from Hanscom. Note: Station placed