Anna Menon, Scott Poteet, Jared Isaacman, and Sarah Gilles pose with prototypes of Starship vehicles in South Texas. The four will fly into orbit on the Polaris Dawn mission. Credit: Polaris Program / John Kraus
Jared Isaacman, the billionaire businessman who bankrolled the first human space mission with all private citizens last year, announced plans Monday for up to three more SpaceX flights, a privately-funded program that will include the first commercial spacewalk, and ultimately a ride on the giant Starship rocket ship.

