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
Back to the Moon Back to the Moon Back to the Moon is a science fiction novel and Homer Hickam's first fictional book. Published in June 1999, Hickam wrote Back to the Moon using insider information he learned from NASA. The prologue of the novel begins with a dramatized account of the second EVA of Apollo 17. Astronaut Jack Schmitt discovers orange soil in Shorty Crater at the very end of the EVA and gathers samples in a race against time to get back to the LEM. Meanwhile, Wernher von Braun is watching the end of the mission on TV with other NASA engineers.