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Vanguard I | ||||
The Smithsonian displays a flight backup of Vanguard 1, the second successful U.S. satellite; this satellite is similar to the satellite in the famous Vanguard launch failure in December 1957. As of early 2025, there is some interest in retrieving the non-functional satellite. Additional information on the Vanguard project is available at Vanguard: A History. | ||||
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