German U-Boats Ruled the Atlantic — Until They Started Vanishing

For years, German U-boats ruled the Atlantic, sinking Allied shipping faster than it could be replaced. Then, in 1943, they began disappearing. This documentary explores how Allied technology, coordination, and air power turned the ocean into a death trap for Germany’s most feared weapon — and why the Battle of the Atlantic quietly decided the outcome of World War II. #ww2 #worldwar2 #history