Astronauts, Aviators Celebrate National Air and Space Museum's 40 Years

Four decades after a signal sent from Mars led to the public opening of the Smithsonian's National Air and Space Museum, another transmission from space has led to the debut of a newly renovated exhibit hall on the museum's 40th anniversary. Astronaut Jeff Williams, appearing in a video filmed aboard the International Space Station and projected onto the wall of the Washington, DC museum, launched the hall's public premiere and birthday celebration on Friday night (July 1). "Your magnificent mus