The Vanguard TV-2BU rocket was the U.S.'s first rocket specifically designed to launch satellites. As part of the Vanguard program, the Vanguard TV-2BU test vehicle was prepared for launch by the Martin Company on September 3, 1957. Due to a technical problem, the mission was cancelled. The next launch opportunity was on June 22, 1959. However, the TV-4BU test version of the Vanguard was launched instead and orbited Vanguard 3. Created by Eric Long Date Created 12/26/2017 Source Smithsonian National Air and Space Museum Keywords Cold War; Launch Vehicles; Rockets; Space Rights and Restrictions Usage conditions apply
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