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
Edwards Air Force Base when Captain. Charles "Chuck" Yeager flew the small bullet-shaped airplane to become the first human to exceed the speed of sound. Four months later, on 10 February 1948, Muroc AAF was re-designated Muroc Air Force Base with the establishment of the United States Air Force as a separate military service. Units attached or assigned to the base at the time were the 4144th Army Air Force Base Unit, the 3208th Strategic Bomb Test Squadron along with communications and weather detachments. On 20 August 1948, the 4144th Air Force Base Unit was re-designated as the 2759th AF Base Unit and with