President Obama, with Dr. Serena M. Auñón-Chancellor, a NASA astronaut, tried a spacecraft flight and docking simulator on a Boeing CST-100 Starliner this month at the University of Pittsburgh. Credit Al Drago/The New York Times
President Obama, with Dr. Serena M. Auñón-Chancellor, a NASA astronaut, tried a spacecraft flight and docking simulator on a Boeing CST-100 Starliner this month at the University of Pittsburgh. Credit Al Drago/The New York Times