Harrison H. Schmitt work at the end of a Lunar Roving Vehicle trainer during lunar surface extravehicular activity simulation training.

Astronaut Eugene A. Cernan (right), commander, and scientist-astronaut Harrison H. Schmitt, lunar module pilot, work at the aft end of a Lunar Roving Vehicle trainer during lunar surface extravehicular activity simulation training at the Kennedy Space Center (KSC), Florida. Astronauts Cernan, Schmitt, and Ronald E. Evans, command module pilot, are the prime crewmen of the Apollo 17 lunar landing mission. A Lunar Module mock-up can be seen in the background.