42 of 87 years with NASA. John Young, moon walker and NASA’s longest-serving astronaut, dies at 87 https://img.washingtonpost.com/rf/image_1484w/2010-2019/WashingtonPost/2012/08/21/National-Enterprise/Images/512694291.jpg?uuid=_EsBkOu7EeGoC5-JhWLQEA Astronaut John Young, commander of Apollo 16, standing on the moon in 1972. (HO/AFP/GETTY IMAGES) https://www.washingtonpost.com/local/obituaries/john-young-moon-walker-and-nasas-longest-serving-astronaut-dies-at-87/2018/01/06/5ef1d15c-f313-11e7-b390-a36dc3fa2842_story.html?utm_term=.89e92d7acb24 Imagine driving on the moon. He must have traveled farther and wider than anyone.