Neil Armstrong, right, the first man to step foot on the moon, gestures as President Bill Clinton looks on during a White House ceremony celebrating the 25th anniversary of the Apollo 11th flight to the Moon, Wednesday, July 20, 1994, Washington, D.C. Twenty-five-years ago, two men from Earth, bundled like space aliens, set foot on the moon for the first time and planted the American flag. (AP Photo/Marcy Nighswander)