ROOFTOP SECURITY U.S. Army Pfc. Paul Mandrell watches for possible enemy activity from the roof of Joint Security Station Oubaidy near Sadr City, Iraq, after a series of attacks, March 30, 2008. He is assigned to the 10th Mountain Division's 2nd Battalion, 30th Infantry Regiment, 4th Brigade. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 633968-H-QQU12-302.jpg Photo Gallery