“I'm at the foot of the ladder. These LEM footpads are only depressed in the surface of that one or two inches. Although the surface appears to be very, very fine-grained as you get close to it. It's almost like a powder. [Unintelligible] It's very fine. Okay, I'm going to step off the LEM now. That's one small step for [a] man, one giant leap for mankind.”
By National Aeronautics and Space Administration (NASA's Apollo 11).