After years of delays, the billionaire’s Blue Origin space company launched its New Glenn rocket early Thursday.

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

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,