Few jobs in history were more dangerous and harrowing than being a submarine crewman for the German Kriegsmarine during World War II. Three out of every four men who signed up for U-boat duty never survived the war, but their effect both psychologically and logistically on Allied shipping and the war effort in general was undeniable. Left 4 dead 2 master update version 2.0.9.4 windows 10. Winston Churchill himself claimed that the only thing that truly frightened him during the entire conflict was, as he put it, “the U-boat peril.”You need for downloading.torrent files.