US President-elect Donald Trump’s pick for Nasa administrator, tech billionaire Jared Isaacman, said on Wednesday that the private astronaut missions he has planned with Elon Musk’s SpaceX “may wind up on hold for a moment,” as he prepares to enter government service leading the US space agency.
“The future of the Polaris programme is a little bit of a question mark at the moment,” Isaacman, who was tapped by Trump
