Jared Isaacman has slammed the aerospace giant’s first crewed flight to the ISS, which left astronauts stranded for nine months NASA chief Jared Isaacman has slammed Boeing for failures that plagued the botched debut mission of its first crewed spaceship, Starliner, which left two astronauts stranded for nine months last year. A billionaire private astronaut and close associate of SpaceX founder Elon Musk, Isaacman, who was appointed NASA administrator two months ago, also offered a blistering