Jeff Bezos ‘ Blue Origin is set for an inaugural launch of its giant New Glenn rocket on Sunday, a long-awaited first leap to Earth orbit that sets up one of the biggest challenges yet to industry dominance enjoyed by Elon Musk ‘s SpaceX.

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.

Rough seas caused Blue Origin to hold off a planned early Friday launch attempt with is debut of New Glenn now targeting early Sunday instead. SpaceX, though, still has plans to launch later