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News Archive / Tagged: Jack Crenshaw

  • Jack Crenshaw: the space pioneer you never heard of

    Collin SkocikMarch 27th, 2016

    The Apollo missions had two objectives laid down by President John F. Kennedy: to land a man on the Moon and return him safely to the Earth. A critical part of the second objective, returning safely to the Earth, was a trajectory that would bring the spacecraft back from the Moon and re-enter Earth’s atmosphere.