KORENGAL VALLEY, AFGHANISTAN - OCTOBER 25:  A U.S. Army soldier walks along a mountainside at dusk after Afghan and American forces searched for weapons October 25, 2008 in the Korengal Valley of Kunar Province in eastern Afghanistan. Taliban insurgents enjoy widespread public support in the contested valley, site of some of the heaviest fighting between U.S. forces and the Taliban. Getty Images logo Getty Images 13 months ago

KORENGAL VALLEY, AFGHANISTAN - OCTOBER 25: A U.S. Army soldier walks along a mountainside at dusk after Afghan and American forces searched for weapons October 25, 2008 in the Korengal Valley of Kunar Province in eastern Afghanistan. Taliban insurgents enjoy widespread public support in the contested valley, site of some of the heaviest fighting between U.S. forces and the Taliban.