Neil Armstrong was appreciative, but as explained in his handwritten letter, it was too late. The Apollo 11 commander and his crewmates had already arrived at a design to represent the first moon ...

The first manned mission to the moon, Apollo 11, launched on July 16, 1969. The crew of NASA's Apollo 11 mission, from left, Edwin "Buzz" Aldrin, Michael Collins, and Neil Armstrong, pose with a ...