NASA spacewalkers at it again, after helmet leak months ago

NASA spacewalkers at it again, after helmet leak months ago

NASA spacewalkers at it again, after helmet leak months ago

Now watching

Next video starts in : 7 Play

NASA spacewalkers at it again, after helmet leak months ago

NASA spacewalkers at it again, after helmet leak months ago
Replay video
Up next

Now I Get It: America's crumbling infrastructure

Now I Get It: America's crumbling infrastructure Up next

Now I Get It: America's crumbling infrastructure