Task: Question Generation
Input (English): Context : Władysław Gnyś (24 August 1910 -- 28 February 2000) was a Polish pilot of the Polish Air Force and probably the first Allied victor in aerial combat in World War II. In 1931, Wladyslaw Gnys entered military service with the Polish Air Force. 
Answer : Polish Air Force
Output (English): Which armed forces utilised the service of Władysław Gnyś?