Family members of Brig. Gen. Robinson "Robbie" Risner listen to Air Force Chief of Staff Gen. Mark A. Welsh III and Ross Perot who spoke at Risner's internment ceremony at the Memorial chapel on Fort Myer, Arlington, Va., before he was laid to rest at Arlington National Cemetery, Jan. 23, 2014. Risner was one of the most celebrated pilots in Air Force history and survived seven and a half years of captivity in Hoa Lo Prison, also known as the Hanoi Hilton. (U.S. Air Force photo/Michael J. Pausic)