Polaris Dawn will carry out a list of historic firsts, including the first commercial spacewalk that will in part test for effects of space radiation on the human body.
WASHINGTON, Feb 17 US billionaire Jared Isaacman, who chartered the first all-civilian orbital spaceflight, announced Monday three more private missions with SpaceX which will include spacewalking and culminate in the first crewed flight of the next-generation Starship rocket. The first,.