Vanguard TV-3
Spacecraft
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Vanguard TV-3, was the first attempt of the United States to launch a satellite into orbit around the Earth, after the successful Soviet launches of Sputnik 1 and Sputnik 2. Wikipedia
Launch date: December 6, 1957
Rocket: Vanguard TV-3
Apogee altitude: 3,969 km (2,466 mi)
Decay date: Failed to orbit
Launch mass: 1.5 kg (3.3 lb)
Names: Vanguard Test Vehicle-Three
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