It's the Battle of the Atlantic in 1941. The Luftwaffe has been defeated over the skies above Britain. Now its survival is imperiled by the longest campaign of the war, the Battle of The Atlantic. This is the story of the year that would drastically change the war, with events in North Africa, the Balkans, Greece, Crete and the Levant all impacting the years to come. But one word stands out amongst all the events of this year...Barbarossa.