Ground Zero Flag Army Command Sgt. Maj. John Gioia kneels down to place a flag that was flown at ground zero in front of a 9/11 photo memorial during the Patriot Day Observance at Camp Liberty, Iraq, Sept. 11, 2008. Gioia was the senior enlisted advisor for the 4th Infantry Division, Multinational Division Baghdad. Army photo by Staff Sgt. Brock Jones SHARE: Download: Full Size (0.18 MB) Credit: Staff Sgt. Brock Jones VIRIN: 080911-A-0000J-003A.JPG Photo Gallery