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.

The business battle between the two wealthiest people in the world moves to Spain. Amazon Kuiper, the tech giant's division to provide high-speed and affordable internet via low-orbit satellites, has obtained government authorization to operate.

Jeff Bezos is preparing to launch a satellite broadband service in Britain in a boost to his challenge to rival space rocket billionaire Elon Musk.