. . "Wehner, Joseph Frank"@en . . "1895-09-20Z"^^ . . "1918-09-18Z"^^ . . "Joseph Frank \"Fritz\" Wehner (20 September 1895 \u2013 18 September 1918) was an American fighter pilot and wingman to Frank Luke."@en . "1895Z"^^ . . . "1918Z"^^ . . "Joseph Frank Wehner"@en . "Fritz"@en . "American flying ace" .