Polaris Dawn crew to make history with all-civilian spacewalk
Four civilian astronauts are preparing for a historic mission to new heights above Earth. SpaceX is launching Polaris Dawn, which will also feature the first commercial spacewalk. Mark Strassman has details.
Four civilian astronauts are preparing for a historic mission to new heights above Earth. SpaceX is launching Polaris Dawn, which will also feature the first commercial spacewalk. Mark Strassman has details.
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