who were the crew members?
Eugene Cernan, Ronald Evans and Harrison Schmitt
Apollo 17
n 1969, NASA announced that the backup crew of Apollo 14, slated to fly in 1971, would be Eugene Cernan, Ronald Evans, and former X-15 pilot Joe Engle (whose 16 flights in the X-15 had thrice taken him past the border of space). Because the Apollo program generally slated a backup crew to fly as prime crew three missions later, Cernan, Evans, and Engle were in line to be prime crew of Apollo 17. Meanwhile, Harrison Schmitt—a professional geologist—was assigned to the backup crew of Apollo 15 and slated to fly as Lunar Module Pilot on Apollo 18.

However, Apollo 18 was cancelled in September 1970. The scientific community subsequently pressed NASA to find a way to assign a geologist—and not just a pilot with geology training—to an Apollo landing. So NASA assigned Schmitt as the Lunar Module Pilot of Apollo 17, bumping astronaut Curt Michel, who had a Ph.D in physics.

That opened the question of who would fill the other two Apollo 17 slots: the rest of the Apollo 15 backup crew (Dick Go
what was the last time someone walked on the moon December 12, 1972 how is apollo 17 related to the moon voyage? It was the final Moon landing mission of NASA's Apollo program and remains the most recent time humans have travelled beyond low Earth orbit where were the crew members? UNANSWERABLE
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Apollo 17 [SEP] Crew
In 1969, NASA announced that the backup crew of Apollo 14, slated to fly in 1971, would be Eugene Cernan, Ronald Evans, and former X-15 pilot Joe Engle (whose 16 flights in the X-15 had thrice taken him past the border of space). Because the Apollo program generally slated a backup crew to fly as prime crew three missions later, Cernan, Evans, and Engle were in line to be prime crew of Apollo 17. Meanwhile, Harrison Schmitt—a professional geologist—was assigned to the backup crew of Apollo 15 and slated to fly as Lunar Module Pilot on Apollo 18. However, Apollo 18 was cancelled in September 1970.