Enemy At the Gates Blu-ray

This movie is based on the service of an infantry soldier that goes on to serve as a Sniper during The Battle of Stalingrad.
As a sniper, he had a great many confirmed kills of enemy Officers that served to increase the morale of the Russian troops, and the Russian people.
The Snipers were so good at what they did, that it served to hurt the morale of the German troops, and their supporters back home as well.
This long battle helped turn the tide of the war against the German forces invading Russia.