WET WALK U.S Army soldiers cross the Arghandab River to assist Afghanistan police on a humanitarian mission in Kashani village in Zabul province, Afghanistan, Oct. 9, 2009. The soldiers are assigned to Company A, 1st Battalion, 4th Infantry Regiment. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 551427-O-KUS18-062.jpg Photo Gallery