Eastern Front trench fighting
The original of this painting is actually hanging in the entrance hall of the US Air Force Academy at Colorado Springs. It originally derives from Munich and was exhibited in the "Haus der deutschen Kunst" (House of german art) in 1943 or 1944. Unfortunately the title and the artist are unknown.
This is a companion discussion topic for the original entry at https://ww2incolor.com/gallery/art/20962/eastern-front-trench-fighting