#satellites

Relativity Space started as the company that would 3D print whole rockets. Its first rocket reached space on its only flight. Then it changed almost everything. Image: Relativity Space Tim Ellis (ex-Blue

Blue Origin is the oldest company in this series, and by far the best funded. Yet its big orbital rocket, New Glenn, has flown just three times. Jeff Bezos founded it in 2000. It is based in Kent, Washington,