Astronauts Neil A. Armstrong, second from right, and David R. Scott, third from left, arrive at Complex 19 for a simulated test in preparation for flight in March 1966. Armstrong commanded the Apollo 11 spacecraft that landed on the moon July 20, 1969. He radioed back to Earth the historic news of “one giant leap for mankind.” Armstrong and fellow astronaut Edwin “Buzz” Aldrin spent nearly three hours walking on the moon, collecting samples, conducting experiments and taking photographs. In all, 12 Americans walked on the moon from 1969 to 1972.
Associated Press file photo
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