Astronaut Bob Behnken retires from NASA after trailblazing 22-year career
Bob Behnken is retiring from NASA after a pioneering 22-year career that includes three spaceflights, including SpaceX's first-ever crewed mission.
Bob Behnken is retiring from NASA after a pioneering 22-year career that includes three spaceflights, including SpaceX's first-ever crewed mission.