During World War II Noack was called up and served as a corporal in the German Army with anti-aircraft units stationed mainly in Hamburg, Vienna and in Bohemia (Czechoslovakia) where at the end of the war he was captured by Soviet forces.
During World War II, Noack was drafted into the German military and assigned to anti-aircraft units stationed in various locations including Hamburg, Vienna, and Bohemia (Czechoslovakia), where he was ultimately captured by Soviet forces as the conflict drew to a close.