Grey Wolves

In the early years of the Second World War, the elite force of German submariners known as the Ubootwaffe came perilously close to perfecting the underwater battle tactics and successfully cutting Britain''s transatlantic lifeline. To the Allies, these enemy sailors were embarking on a mission of unequivocal evil.

Each member of the Ubootwaffe understood that he must take pride in being part of a u...