Musk Envisions Wagon Train to MarsElon Musk fleshed out his vision for establishing the first colony on Mars in a recent interview. As soon as 2018, Musk's SpaceX venture could launch an unmanned spacecraft to the red planet, he said, and that could be followed by future unmanned flights every two years -- timed for when the Earth and Mars orbits position the planets closest together.
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Musk Envisions Wagon Train to Mars
