The spacecraft could play an important part in future missions to the moon and Mars.
Explainers
This Tesla competitor has yet to sell a single vehicle, but it’s attracted investment from big names, including Jeff Bezos.
This company owned by billionaire Elon Musk plans to put humans on Mars.
Richard Branson’s Virgin Galactic has had a topsy-turvy ride into the world of space tourism.
The Jeff Bezos-owned company has big plans for the future of human space travel.