The plaque which the Apollo 11 astronauts left behind on the Moon, which was attached to the ladder on the landing gear strut on the descent stage of the Lunar Module. The plaque was signed by the three Apollo 11 astronauts and President Richard Nixon. (Photo Credit: NASA)

Categories: Space Age Bulletins • Tags: Apollo 11, Buzz Aldrin, Lunar Module, Mike Collins, Moon, Neil Armstrong, Richard Nixon