Neil Armstrong during Apollo 11 training

Men at work! The Apollo 11 crew relaxes next to their space capsule during training on May 24, 1969. That was less than two months before they flew to the moon and Armstrong and Buzz Aldrin became the first humans to walk on the moon's surface. From left: Buzz Aldrin, Neil Armstrong, Michael Collins.

This is photo S69-34882, courtesy of the History Office of the National Aeronautics and Space Administration, and the NASA JSC Media Services Center.