SpaceX is taking humans back to the moon and could one day take us to Mars. But before all that, its massive Starship rocket is gearing up for its first orbital flight. Claire Reilly breaks down how we got here and why this is such a big deal. Subscribe to CNET: https://www.youtube.com/user/CNETTV Like us on Facebook: https://www.facebook.com/cnet Follow us on Twitter: https://www.twitter.com/cnet Follow us on Instagram: http://bit.ly/2icCYYm Follow us on TikTok: https://vm.tiktok.com/ZMd2h6yac/