Weather and rocket conditions allowing, SpaceX’s next private voyage to the International Space Station was scheduled to lift off on Sunday.

Among those on board are Saudi Arabia’s first astronauts in decades, as well as a Tennessee businessman who founded his own sports car racing team. They will be led by a retired NASA astronaut who now works for the organisation that organised the 10-day expedition.

Axiom Space, located in Houston, is organising the second charter voyage. The business will not reveal how much the new tickets cost; before, it stated that per-seat pricing were $55 million.