NASA Photo ID: S71-59355
Date Taken: 11/17/71
Astronauts John W. Young, right, prime crew commander for Apollo 16,
and Charles M. Duke Jr., lunar module pilot, study rock formations along
their simulated
lunar traverse route. The prime and backup commanders and lunar module
pilots for Apollo 16 took part in the two-day geology field trip and simulations
in the
Coso Range, near Ridgecrest, California. The training was conducted
at the U.S. Naval Ordnance Test Station.