"United States of America" . . "Charles William Ledbetter (April 5, 1922 \u2013 July 23, 2003) was one of the Tuskegee Airmen, retiring from the United States Air Force as a master sergeant after 30 years of active service."@en . . . "1922Z"^^ . "2003-07-23Z"^^ . "1972Z"^^ . "1942Z"^^ . "Ledbetter, Charles William"@en . . . "1922-04-05Z"^^ . "Tuskegee Airman" . "2003Z"^^ . . "Charles William Ledbetter"@en .