DC, UNITED STATES: This 20 July 1969 file photo released by NASA shows astronaut Edwin E. "Buzz" Aldrin, Jr. saluting the US flag on the surface of the Moon during the Apollo 11 lunar mission. The 20th July 1999 marks the 30th anniversary of the Apollo 11 mission and man's first walk on the Moon. AFP PHOTO NASA (Photo credit should read NASA/AFP/Getty Images)