Remembering the Crew of Space Shuttle Columbia

Ten years ago today, we lost Space Shuttle Columbia and her crew. Here, Apollo 11 astronaut Buzz Aldrin salutes as NASA Administrator Charles Bolden looks on, during a wreath laying ceremony held in the crew's memory today at Arlington National Cemetery. A public memorial service was also held at Kennedy Space Center… » 2/01/13 1:20pm 2/01/13 1:20pm