LIVE | After Historic Spacewalk, SpaceX Polaris Dawn Astronauts Land Off The Coast Of Dry Tortugas

LIVE: The SpaceX Polaris Dawn mission successfully concluded with tech entrepreneur Jared Isaacman completing the first private spacewalk on Thursday. Isaacman, alongside SpaceX engineer Sarah Gillis, tested the company's new spacesuits. Gillis performed a spacewalk as the capsule orbited Earth, while Scott “Kidd” Poteet and SpaceX engineer Anna Menon monitored from inside. Watch.
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