The marker of Charles Frank Burlingame III, pilot of American Airlines Flight 77 which crashed into the Pentagon on Sept. 11, 2001 and a U.S. Navy veteran, is honored with a flag along with 350,000 others during the “Flags In” ceremony at Arlington National Cemetery, Arlington, Va., May 27, 2010. The marker of Charles Frank Burlingame III, pilot of American Airlines Flight 77 which crashed into the Pentagon on Sept. 11, 2001 and a U.S. Navy veteran, is honored with a flag along with 350,000 others during the “Flags In” ceremony at Arlington National Cemetery, Arlington, Va., May 27, 2010. SHARE: Download: Full Size (9.44 MB) Tags: Photo Essays Credit: VIRIN: 410007-F-UMI81-182.jpg Photo Gallery