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  1. Overture: 8. From Failure to Success - Loss of Vanguard TV3 and the triumph of Vanguard 1 (USA)

    Overture: 8. From Failure to Success - Loss of Vanguard TV3 and the triumph of Vanguard 1 (USA)

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  2. The Space Probes I: 3. Mariner 1 (1962) - The failed Venus mission (USA)

    The Space Probes I: 3. Mariner 1 (1962) - The failed Venus mission (USA)

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  3. The Space Probes I: 7. Mariner 2 (1962) - The first successful Venus mission (USA)

    The Space Probes I: 7. Mariner 2 (1962) - The first successful Venus mission (USA)

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