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
Battle of Jutland the British light units, investigating a neutral Danish steamer ("N J Fjord"), which was stopped between the two fleets, had found two German destroyers engaged on the same mission ( and ). The first shots of the battle were fired at 14:28 when and of the British 1st Light Cruiser Squadron opened on the German torpedo boats, which withdrew toward their approaching light cruisers. At 14:36, the Germans scored the first hit of the battle when , of Rear-Admiral Friedrich Boedicker's Scouting Group II, hit her British counterpart "Galatea" at extreme range. Beatty began to move his battlecruisers and supporting