OBSERVATION POST MUSTANG, AFGHANISTAN - SEPTEMBER 02: U.S. Army soldiers from the 27th Infantry Regiment pull a bobcat tractor out of the mud at their mountaintop position on September 2, 2011, at Observation Post Mustang in Kunar Province, Afghanistan. The area, in northeastern Afghanistan near the Pakistan border, is a major infiltration route by Taliban fighters coming across from Pakistan. (Photo by John Moore/Getty Images)
