
In South Texas, the commercial spaceflight company SpaceX is preparing to test a huge, stainless-steel rocket. The machine could one day carry humans to the moon, Mars and beyond.
But first, it has to fly.

In South Texas, the commercial spaceflight company SpaceX is preparing to test a huge, stainless-steel rocket. The machine could one day carry humans to the moon, Mars and beyond.
But first, it has to fly.