John Watts Young was an astronaut, naval officer and aviator, test pilot, and aeronautical engineer. He became the ninth person to walk on the Moon as commander of the Apollo 16 mission in 1972. He flew on four different classes of spacecraft: Gemini, the Apollo Command and Service Module, the Apollo Lunar Module, and the Space Shuttle.
“Roger, Twank…Tranquility, we copy you on the ground. You got a bunch of guys about to turn blue. We’re breathing again. Thanks a lot!,” Capcom Charlie Duke, Apollo 11 landing.
“cogito, ergo sum” (I think, therefore I am). Rene Descartes.
John Young enjoyed the longest career of any astronaut thus far. Over the course of 42 years of active NASA service he made six space flights and is the only person to have piloted, and been commander of four different classes of spacecraft: Gemini, the Apollo Command/Service Module, the Apollo Lunar Module, and the Space Shuttle.