Apollo program a total of over 20 hours EVA. Apollo 17 was the last of the Apollo program, landing in the Taurus–Littrow region in December 1972. Eugene Cernan commanded Ronald E. Evans and NASA's first scientist-astronaut, geologist Dr. Harrison H. Schmitt. Schmitt was originally scheduled for Apollo 18, but the lunar geological community lobbied for his inclusion on the final lunar landing. Cernan and Schmitt stayed on the surface for just over three days and spent just over 23 hours of total EVA. Source: "Apollo by the Numbers: A Statistical Reference" (Orloff 2004) The Apollo program returned over of lunar rocks and
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