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.
Noack's service during World War II involved being drafted into the German Army and serving as an anti-aircraft soldier in various locations including Hamburg, Vienna, and Bohemia (Czechoslovakia). He was eventually captured by Soviet forces at the end of the war.