The scheduled Sunday launch could mark a new phase in competition in the commercial space market, and pave the way for the deployment of Amazon's Kuiper satellite network.

Doing that on a maiden flight would be unprecedented: that kind of partial reusability was pioneered by SpaceX, Elon Musk’s rocket firm, and it required several attempts before eventually sticking the landing in 2016.

Bezos' New Glenn and Musk's Starship both are heading for launch, and both could lift off in close timing to each other. Here's what we know.

Jeff Bezos’ company is gearing up to launch its New Glenn rocket, kicking off a year in which the industry anticipates to grow under the Trump administration.