Joseph M. Hammons has been climbing from a very young age and climbs at least twice a month at Joshua Tree in Yucca Valley, Calif. When he climbs he free climbs which is a form of climbing without a harness or rope. - Joseph M. Hammons has been climbing from a very young age and climbs at least twice a month at Joshua Tree in Yucca Valley, Calif. When he climbs he free climbs which is a form of climbing without a harness or rope.
Pfc. Kristen Jenkins, student, Marine Corps Communication-Electronics School, ascends a rock face during a rock-climbing event for members of the Single Marine Program at Joshua Tree National Park, Calif., Nov. 9, 2014. Marines of the SMP were able to participate in this event due to the efforts of Joshua Tree Uprising and Mil-Tree, a non-profit organization. (Official Marine Corps photo by Pfc. Medina Ayala-Lo/Released) - Pfc. Kristen Jenkins, student, Marine Corps Communication-Electronics School, ascends a rock face during a rock-climbing event for members of the Single Marine Program at Joshua Tree National Park, Calif., Nov. 9, 2014. Marines of the SMP were able to participate in this event due to the efforts of Joshua Tree Uprising and Mil-Tree, a non-profit organization. (Official Marine Corps photo by Pfc. Medina Ayala-Lo/Released)