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 upright. He also denies it was agreed he would remain anonymous. Both his and Scott's versions of events are given in an article in "Slate" magazine in 2013. During the Apollo 15 mission, near the completion of his work on the lunar surface on August 1, 1971, Scott secretly placed the "Fallen Astronaut" on the Moon, along with a plaque bearing the names of eight American astronauts and six Soviet cosmonauts who had died in service: Scott photographed the memorial, but waited for a post-mission press conference to publicly disclose its existence. Later, he noted that "Sadly, two names are