U.S. Army Pfc. Frederick Gregory maintains perimeter security as an Iraqi army soldier scans the area. U.S. Army Pfc. Frederick Gregory maintains perimeter security as an Iraqi army soldier scans the area from his armored vehicle after an improvised explosive device attack on their convoy in Halasba, Iraq, on March 10, 2006. Gregory is assigned to the 1st Battalion, 66th Armored Regiment and the Iraqi soldier is assigned to the 9th Mechanized Division. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 699669-V-OGZ07-283.jpg Photo Gallery