. . "1959Z"^^ . . "Air University" . . "Charles G. Boyd"@en . . "Boyd, Charles"@en . . "Boyd, Charles Graham"@en . . "1938-04-13Z"^^ . "Charles Graham Boyd (born April 13, 1938) is a retired four-star general of the United States Air Force. Boyd is a highly decorated combat pilot who served in Vietnam; and is the only Vietnam War prisoner of war (1966\u20131973) to reach the four-star rank (1992). His final Air Force assignment was as deputy commander in chief, U.S. European Command, Stuttgart-Vaihingen, Germany."@en . . . . . . . "1938Z"^^ . "1959Z"^^ . "Recipient of the Purple Heart medal" . . "United States of America" .