Apollo 17 crewmembers ride Lunar Roving Vehicle during geological field tri
Description: Two members of the prime crew of the Apollo 17 lunar landing mission ride in a Lunar Roving Vehicle trainer during lunar surface extravehicular activity simulation training in the Pancake Range area of south-central Nevada. They are Astronaut Eugene A. Cernan (foreground), commander; and Scientist-Astronaut Harrison H. Schmitt (on Cernan's right), lunar module pilot.