Philmont Scout Ranch and describing stratigraphic sections, strike and dip measurements, recording of field notes...and geophysical traverses that included taking measurements with magnetometers, gravimeters and seismometers in an attempt to determine subsurface structure." Astronauts who would use this training on the Moon included Apollo 11's Neil Armstrong and Buzz Aldrin, Apollo 12's Pete Conrad and Alan Bean, Apollo 15's David Scott, and Apollo 17's Gene Cernan. Notable geologist instructors included G.D. Robinson. Philmont Scout Ranch Philmont Scout Ranch is a ranch located near the town of Cimarron, New Mexico; it covers 140,177 acres (219 sq mi; 567 km²) of wilderness in the Sangre
Essex-class aircraft carrier and "Princeton" recovered the second crew to orbit the Moon, aboard Apollo 10, in May 1969. "Hornet" rejoined the program and recovered the astronauts from the first two moon landing missions, Apollo 11 in July 1969 and Apollo 12 in November. The first steps on Earth of returning astronauts Neil Armstrong, Buzz Aldrin, and Mike Collins, are marked on her hangar deck, as part of her Apollo program exhibit. The three subsequent missions utilized amphibious assault ships as support vessels; however, "Ticonderoga" recovered the astronauts of the last two moon missions, Apollo 16 and Apollo 17 in April and December