KUNAR PROVINCE, Afghanistan – U.S. Army Soldiers with Company B, 2nd Battalion, 12th Infantry Regiment, patrol the volatile Korengal Valley in Afghanistan's Kunar province, Sept. 29. Since arriving to the valley in June, the 4th ID Soldiers have been assisting Afghan government and security forces in humanitarian, reconstruction and security efforts. (Photo by U.S. Army Sgt. Matthew Moeller, 5th Mobile Public Affairs Detachment)