FILE - In this July 20, 1969 file photo, a footprint left by one of the astronauts of the Apollo 11 mission shows in the soft, powder surface of the moon. Commander Neil A. Armstrong and Air Force Col. Edwin E. 'Buzz' Aldrin Jr. became the first men to walk on the moon after blastoff from Cape Kennedy, Fla., on July 16, 1969. The family of Neil Armstrong, the first man to walk on the moon, says he died Saturday, Aug. 25, 2012, at age 82. A statement from the family says he died following complications resulting from cardiovascular procedures. It doesn't say where he died. 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. (AP Photo/NASA)