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 lease of the airfield portion of Hanscom Field, which reverted to state control, but retained the right to use the field. The Air Force re-designated its own acreage surrounding the field as the Laurence G. Hanscom Air Force Base. In 1977 the name was shortened to the present Hanscom Air Force Base. The base saw a second wave of construction during the 1980s. The Electronic Systems Division put up four new systems management engineering facilities (the O'Neill, Brown, Shiely and Bond buildings). For base personnel, there were new service facilities—medical, youth and family support centers—as well as additional housing and