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
Fallen Astronaut condition that it be displayed "with good taste and without publicity". The replica was given to the Smithsonian Institution on April 17, 1972, the day after CBS anchorman Walter Cronkite referred to the "Fallen Astronaut" and plaque as the first art installation on the Moon during the broadcast of the Apollo 16 launch. It is now on display with a replica of the plaque in the Museum's National Mall Building in the Space Race Wing, Gallery 114. In May 1972, Scott learned that Van Hoeydonck planned to make and sell more replicas. Believing that this would be a violation of