A U.S. Army Ranger ties a knot during a test early on day two of the Mountain Phase before the rope bridge training and vertical haul line exercises on Camp Merrill, Dahlonega, Ga., Feb. 21, 2011. A U.S. Army Ranger ties a knot during a test early on day two of the Mountain Phase before the rope bridge training and vertical haul line exercises on Camp Merrill, Dahlonega, Ga., Feb. 21, 2011. SHARE: Download: Full Size (6.3 MB) Tags: Photo Essays Credit: VIRIN: 400002-N-GGF75-641.jpg Photo Gallery