Former astronauts, celebrities and family members remembered legendary astronaut Neil Armstrong during a memorial service Thursday at the National Cathedral in Washington D.C. There was a limited number of seats for members of the public who wanted to pay their respects to the first man who walked on the moon.
Armstrong Memorial Members of the congregation stand at the Washington National Cathedral in Washington, Thursday, Sept. 13, 2012, during the national memorial service for the first man to walk on the moon, Neil Armstrong. (AP Photo/Ann Heisenfelt)
AP Photo/Ann Heisenfelt
Buzz Aldrin, Annie Glenn, John Glenn, Diana Krall From left, astronaut Buzz Aldrin, Annie Glenn, astronaut and former Ohio Sen. John Glenn, and singer Diana Krall, stand during the opening processional at the Washington National Cathedral in Washington, Thursday, Sept. 13, 2012, during a national memorial service for the first man to walk on the moon, Neil Armstrong. (AP Photo/Ann Heisenfelt)
AP Photo/Ann Heisenfelt
John Glenn, Annie Glenn Astronaut, and former Ohio Sen. John Glenn, accompanied by his wife Annie, pauses at the Washington National Cathedral in Washington, Thursday, Sept. 13, 2012, during a national memorial service for the first man to walk on the moon, Neil Armstrong. (AP Photo/Ann Heisenfelt)
AP Photo/Ann Heisenfelt
Carol Armstrong, Charles Bolden, Rick Armstrong Carol Armstrong, wife of Apollo 11 astronaut Neil Armstrong is presented with a flag by NASA administrator Charles Bolden, as his son Rick Armstrong looks on at right, Thursday, Sept. 13, 2012, during a memorial service at the National Cathedral in Washington. (AP Photo/Pool, Evan Vucci, Pool)
AP Photo/Pool, Evan Vucci, Pool
John Glenn, Diana Krall Astronaut, and former Ohio Sen. John Glenn kisses singer Diana Krall's hand at the Washington National Cathedral in Washington, Thursday, Sept. 13, 2012, following a national memorial service for the first man to walk on the moon, Neil Armstrong. (AP Photo/Ann Heisenfelt)
AP Photo/Ann Heisenfelt
Charles Bolden, Alexis Bolden Former astronaut and NASA administrator Charles Bolden, left, and his wife Alexis Bolden pause during a memorial service for Apollo 11 astronaut Neil Armstrong, Thursday, Sept. 13, 2012, at the National Cathedral in Washington. (AP Photo/Pool, Evan Vucci)
AP Photo/Pool, Evan Vucci
Diana Krall, John Glenn, Annie Glenn, Buzz Aldrin From right to left, singer Diana Krall, astronaut, and former Ohio Sen. John Glenn, his wife Annie, and astronaut Buzz Aldrin, stand during the processional at the Washington National Cathedral in Washington, Thursday, Sept. 13, 2012, during a national memorial service for the first man to walk on the moon, Neil Armstrong. (AP Photo/Ann Heisenfelt)
AP Photo/Ann Heisenfelt
Buzz Aldrin and Neil Armstrong plant an American flag on the moon during the Apollo 11 mission in July 1969.