page_title: Battle of the Atlantic
section_title: Great surface raiders
hierarchical_section_title: Battle of the Atlantic / Great surface raiders
caption_attribution_description: English: HMS HOOD going into action against the German battleship BISMARCK and battlecruiser Prinz Eugen, 24 May 1941. This image taken from HMS PRINCE OF WALES was the last photo ever taken of HMS HOOD. Photograph published in: Hood,Roger Chesneau, Cassell, 2002, ISBN 0-304-35980-7. Photographer not identified, so UK Copyright contended to have lapsed 50 years after publication.
context_page_description: The Battle of the Atlantic, the longest continuous military campaign in World War II, ran from 1939 to the defeat of Nazi Germany in 1945, covering 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. The campaign peaked from mid-1940 through to the end of 1943.
  The Battle of the Atlantic pitted U-boats and other warships of the German Kriegsmarine and aircraft of the Luftwaffe against the Royal Navy, Royal Canadian Navy, United States Navy, and Allied merchant shipping. Convoys, coming mainly from North America and predominantly going to the United Kingdom and the Soviet Union, were protected for the most part by the British and Canadian navies and air forces. These forces were aided by ships and aircraft of the United States beginning September 13, 1941. The Germans were joined by submarines of the Italian Regia Marina after Germany's Axis ally Italy entered the war on June 10, 1940.
  As a small island country, the United Kingdom was highly dependent on imported goods.
context_section_description: Despite their success, U-boats were still not recognised as the foremost threat to the North Atlantic convoys. With the exception of men like Dönitz, most naval officers on both sides regarded surface warships as the ultimate commerce destroyers.
  For the first half of 1940, there were no German surface raiders in the Atlantic because the German Fleet had been concentrated for the invasion of Norway. The sole pocket battleship raider, Admiral Graf Spee, had been stopped at the Battle of the River Plate by an inferior and outgunned British squadron. From the summer of 1940 a small but steady stream of warships and armed merchant raiders set sail from Germany for the Atlantic.
  The power of a raider against a convoy was demonstrated by the fate of convoy HX 84 attacked by the pocket battleship Admiral Scheer on 5 November 1940. Admiral Scheer quickly sank five ships and damaged several others as the convoy scattered. Only the sacrifice of the escorting armed merchant cruiser HMS Jervis Bay (whose commander, Edward Fegen, was awarded a posthumous Victoria Cross) and failing light allowed the other merchantmen to escape. The British now suspended North Atlantic convoys and the Home Fleet put to sea to try to intercept Admiral Scheer. The search failed and Admiral Scheer disappeared into the South Atlantic. She reappeared in the Indian Ocean the following month.
  Other German surface raiders now began to make their presence felt. On Christmas Day 1940, the cruiser Admiral Hipper attacked the troop convoy WS 5A, but was driven off by the escorting cruisers. Admiral Hipper had more success two months later, on 12 February 1941, when she found the unescorted convoy SLS 64 of 19 ships and sank seven of them. In January 1941, the formidable (and fast) battleships Scharnhorst and Gneisenau, which outgunned any Allied ship that could catch them, put to sea from Germany to raid the shipping lanes in Operation Berlin. With so many German raiders at large in the Atlantic, the British were forced to provide battleship escorts to as many convoys as possible. This twice saved convoys from slaughter by the German battleships. In February, the old battleship HMS Ramillies deterred an attack on HX 106. A month later, SL 67 was saved by the presence of HMS Malaya.
  In May, the Germans mounted the most ambitious raid of all: Operation Rheinübung. The new battleship Bismarck and the cruiser Prinz Eugen put to sea to attack convoys. A British fleet intercepted the raiders off Iceland. In the Battle of the Denmark Strait, the battlecruiser HMS Hood was blown up and sunk, but Bismarck was damaged and had to run to France. Bismarck nearly reached her destination, but was disabled by an airstrike from the carrier Ark Royal, and then sunk by the Home Fleet the next day. Her sinking marked the end of the warship raids. The advent of long-range search aircraft, notably the unglamorous but versatile PBY Catalina, largely neutralised surface raiders.
  In February 1942, Scharnhorst, Gneisenau and Prinz Eugen moved from Brest back to Germany in the "Channel Dash". While this was an embarrassment for the British, it was the end of the German surface threat in the Atlantic. The loss of Bismarck, the destruction of the network of supply ships that supported surface raiders, the repeated damage to the three ships by air raids, the entry of the United States into the war, Arctic convoys, and the perceived invasion threat to Norway had persuaded Hitler and the naval staff to withdraw.
  War had come too early for the German naval expansion project Plan Z. Battleships powerful enough to destroy any convoy escort, with escorts able to annihilate the convoy, were never achieved. Although the number of ships the raiders sank was relatively small compared with the losses to U-boats, mines, and aircraft, their raids severely disrupted the Allied convoy system, reduced British imports, and strained the Home Fleet.
caption: The battlecruiser HMS Hood steaming into battle minutes before she was sunk by the German battleship Bismarck on May 24, 1941.
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