Apollo 17 investigate the possibility of relatively new volcanic activity in the same area. Cernan, Evans, and Schmitt returned to Earth on December 19 after a 12-day mission. Apollo 17 is the most recent manned Moon landing and the most recent time humans travelled beyond low Earth orbit. It was also the first mission to have no one on board who had been a test pilot; X-15 test pilot Joe Engle lost the lunar module pilot assignment to Schmitt, a geologist. The mission broke several records: the longest moon landing, longest total extravehicular activities (moonwalks), largest lunar sample, and longest time in
United States Astronaut Hall of Fame Seven. In addition to being the first American astronauts, they set several firsts in American spaceflight, both auspicious and tragic. Alan Shepard was the first American in space and later became one of the twelve people to walk on the Moon. John Glenn was the first American to orbit the Earth and after his induction went on, in 1998, to become the oldest man to fly in space, aged 77. Gus Grissom was the first American to fly in space twice and was the commander of the ill-fated Apollo 1, which resulted in the first astronaut deaths directly related to