KORENGAL PASSAGE U.S. Army soldiers patrol the volatile Korengal Valley in Kunar province, Afghanistan, Sept. 29, 2009. The soldiers are assigned to the 4th Infantry Division's Company B, 2nd Battalion, 12th Infantry Regiment. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 172312-J-NKY44-562.jpg Photo Gallery