Rocket company Blue Origin canceled its highly anticipated New Glenn rocket launch on Monday morning, citing a need to "troubleshoot a vehicle subsystem issue." The launch, which was originally set to take place within a three-hour window from 1 a.

Bezos’ space company Blue Origin started at about the same time as Musk’s SpaceX but since then Musk’s firm has launched more than 400 of its Falcon 9 rockets into orbit and is testing out its giant Starship rocket which it hopes will send astronauts to the Moon and one day possibly on to Mars.