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 at Portsmouth before returning to duty at Rosyth 21 July. "Tiger" was dry docked at Rosyth and ready for service 2 July. "Queen Elizabeth", "Emperor of India" and , which had been undergoing maintenance at the time of the battle, returned to the fleet immediately, followed shortly after by "Resolution" and "Ramillies". "Lion" initially remained ready for sea duty despite the damaged turret, then underwent a month's repairs in July when Q turret was removed temporarily and replaced in September. A third view, presented in a number of recent evaluations, is that Jutland, the last major fleet action between battleships,