Zbigniew Babiński flew reconnaissance sorties during the Polish September campaign of World War II , the last one on 16 September 1939 . After the Soviet invasion of Poland , he was taken captive on 17/18 September 1939 , and was murdered in April 1940 by the NKVD in Katyn during the Katyn massacre
Katyn massacre
Katyn massacre
Zbigniew Babiński