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
Discovery and exploration of the Solar System Earth was Yuri Gagarin, a Soviet cosmonaut who was launched in "Vostok 1" on April 12, 1961. The first human to walk on the surface of another Solar System body was Neil Armstrong, who stepped onto the Moon on July 21, 1969 during the "Apollo 11" mission; five more Moon landings occurred through 1972. The United States' reusable Space Shuttle flew 135 missions between 1981 and 2011. Two of the five shuttles were destroyed in accidents. The first orbital space station to host more than one crew was NASA's Skylab, which successfully held three crews from 1973 to 1974. True