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    WASHINGTON - JULY 16: People walk around the Apollo 11 Command Module "Columbia" on display at the National Air and Space Museum on July 16, 2009 in Washington, DC. Forty years ago today Apollo 11 launched on a historic flight from Cape Canaveral Florida carrying astronauts Neil Armstrong, Edwin "Buzz" Aldrin, and Michael Collins. The Apollo 11 then landed on the moon four days later on July 20, 1969. (Photo by Mark Wilson/Getty Images)