A quarter of a century after its founding, Jeff Bezos's Blue Origin is finally ready for its maiden orbital voyage on Sunday with a brand new rocket the company hopes will shake up the commercial space race.

As pointed out by NPR, New Glenn has a similar carrying capacity to SpaceX’s Falcon Heavy rocket, but it stands out with a larger, 23-foot-wide cargo bay. If New Glenn’s launch is successful, it could heat up its rivalry with SpaceX as both companies vie to secure lucrative government contracts.

Poised for liftoff from Cape Canaveral, Florida, 320-foot-tall New Glenn rocket recently completed a hot-fire. Billionaire Jeff Bezos owns Blue Origin