20 Breathtaking Images From NASA’s Public Library

John Young on the moon

As part of the first extravehicular activity of its mission, Apollo 16 commander John W. Young jumps off the lunar surface while saluting the American flag in April 1972. The fifth mission to land on the moon, Apollo 16 spent over 20 hours on the surface, drove 16.6 miles in the lunar rover, and returned with 210 pounds of samples.