The Devil Dogs
Belleau Wood, France, June 1918. After three weeks of battle, the US Marines stopped the German advance a few miles from Paris. They earned the name of "Devil Dogs" and made victory possible for the Allies. Gilles Lagin has given himself a mission: to preserve the memory of the American soldiers who fought in Belleau Wood. For 40 years, he has led families into the footsteps of their ancestors, the 1918 Devil Dogs.
Starring
It's a documentary movie, and has a rating of 9.1 out of 10 from Imdb which is very high for this kind of movie.
Watch it here
Not found streaming from Austria.