As a junior lieutenant of the military reserves of the Polish Army , he was mobilized on 27 August 1939 . He served on Poland 's eastern frontier , in the " Łużki " Battalion of the " Głębokie " Regiment of the Border Protection Corps . After the German and Soviet invasion of Poland in 1939 he became a prisoner of war in the custody of the Soviet Union . He was imprisoned in Kozielsk , and was a victim of the Katyn massacre in 1940 ( around April – May ) , aged 39
Katyn massacre
Katyn massacre
Włodzimierz Godłowski