KEY POINTS
  • Billionaire founder Jared Isaacman is deep into training for the first launch of the Polaris Program, in partnership with Elon Musk's SpaceX.
  • Isaacman's crew of four is using fighter jets — including aircraft from his personal fleet — to prepare for flying to orbit on the first mission, called Polaris Dawn.
  • "We want to use as much time leading up to [the launch] for training as possible," Isaacman said, adding that "using fighter aircraft is a great analog" to spaceflight.

Astronauts love fighter jets, and billionaire founder Jared Isaacman is no different.

Isaacman, who founded payments company Shift4, is deep into training with his team for the first spaceflight of the Polaris Program, announced earlier this year, in partnership with Elon Musk's SpaceX. Isaacman's crew of four is using fighter jets — including aircraft from his personal fleet — to prepare for flying to orbit on the first mission, called Polaris Dawn.