MOUNTAIN PATROL U.S. Army soldiers patrol the mountainous terrain outside Forward Operating Base Baylough in Zabul province, Afghanistan, June 7, 2010. The soldiers are assigned to Company D, 1st Battalion, 4th Infantry Regiment, U.S. Army Europe. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 403619-N-WHV54-925.jpg Photo Gallery