But even the company knows that offering people one-hour journeys to one side of the world and back is a tall order.

In stock launch documents filed on Wednesday,SpaceX said that ‘restrictions on supersonic flights over land in certain regions due to sonic booms,and the economic feasibility of shorter routes’ are the biggest challenges.

Still,it insisted: ‘We believe we are strategically positioned to take share of the terrestrial logistics and transportation market.’

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