U.S. Army Cpt. Gary McDonald, left, and 1st Lt. Kevin Harris look at a topographical map to verify their location during a night patrol in the mountains near Sar Howza in Paktika province, Afghanistan, Sept. 2, 2009. McDonald and Harris are assigned to the 1st Squadron, 40th Cavalry Regiment. U.S. Army Cpt. Gary McDonald, left, and 1st Lt. Kevin Harris look at a topographical map to verify their location during a night patrol in the mountains near Sar Howza in Paktika province, Afghanistan, Sept. 2, 2009. McDonald and Harris are assigned to the 1st Squadron, 40th Cavalry Regiment. SHARE: Download: Full Size (7.4 MB) Tags: photo essays Credit: VIRIN: 462150-U-KMH11-388.jpg Photo Gallery