Battle of the Atlantic Battle of the Atlantic The Battle of the Atlantic was the longest continuous military campaign in World War II, running from 1939 to the defeat of Germany in 1945, and was a major part of the Naval history of World War II. At its core was the Allied naval blockade of Germany, announced the day after the declaration of war, and Germany's subsequent counter-blockade. It was at its height from mid-1940 through to the end of 1943. The Battle of the Atlantic pitted U-boats and other warships of the "Kriegsmarine" (Navy) and aircraft of the "Luftwaffe" (Air Force) against the
Night action at the Battle of Jutland "Friedrich der Grosse", Scheer once again ordered them to the rear. The two joined the end of the German column, but "Seydlitz" and "Moltke" remained out of position initially ahead of the fleet and had to move independently through the British fleet. "Lützow" proceeded southwards behind the fleet for the first couple of hours of the night at the best speed she could manage, seven knots, but eventually sank at 0145. British intelligence about the whereabouts of German vessels suffered a number of failures throughout the battle of Jutland. There were two sources of information: intercepted German wireless messages and