"1890-04-06Z"^^ . . . "Otto J\u00E4ger"@en . "1917Z"^^ . "Austro-Hungarian Empire" . . . "1917-08-19Z"^^ . . "Jager, Otto"@en . . . "1917Z"^^ . . . "1914Z"^^ . "Czech fighter ace" . . "1890Z"^^ . . . . "Oberleutnant Otto J\u00E4ger was a World War I flying ace credited with seven aerial victories."@en .