Blue Origin launched its massive new rocket on its first test flight Thursday, sending up a prototype satellite to orbit thousands of miles above Earth. Named after the first American to orbit Earth,

Amazon founder Jeff Bezos (and many others) posted pics of Blue Origin’s New Glenn rocket, named for astronaut John Glenn, on social after liftoff.

Blue Origin successfully launched the rocket after an attempt earlier in the week was scrubbed. The flight is a crucial test of the company’s ability to compete with Elon Musk’s SpaceX.