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
NASA Astronaut Group 6 1972 but ultimately rejoined the Astronaut Corps for a second nine-year stint in 1979. The requirement for scientists to be trained as jet pilots was eventually lifted with the creation of the Mission Specialist position in the Shuttle Program. The seven members of Group 6 who stayed with the program after Apollo went on to form the core of early Shuttle Mission Specialists, accomplishing a total of 15 flights. NASA Astronaut Group 6 Astronaut Group 6 (the 'XS-11') was a group of eleven astronauts announced by NASA on August 11, 1967, the second group of scientist-astronauts. Although Director of Flight