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  1. 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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  2. The Space Probes I: 5. Mariner 2 (1962) - The first successful Venus mission (USA)

    The Space Probes I: 5. Mariner 2 (1962) - The first successful Venus mission (USA)

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