Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 42. Chapters: Battle of the Atlantic, Last battle of the battleship Bismarck, Battle of the Caribbean, Battle of the North Cape, Convoy Faith, Battle of the St. Lawrence, Convoy ON 154, Black May, Convoy SC 48, Convoy SC 42, Convoys ONS 18/ON 202, Convoy SC 7, Convoy ON 127, Operation Juno, Convoy SL 139/MKS 30, Convoy ON 207, Convoy SC 143, Battle of Ushant, Operation Stonewall, Convoy SC 107, Convoy ON 166, Convoy SC 121, Convoy SC 94, Convoy HX 84, Convoy HX 106. Excerpt: 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. 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 (German Navy) and aircraft of the Luftwaffe (German Air Force) against Allied merchant shipping. The convoys, coming mainly from North America and mainly 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 from September 13, 1941. The Germans were joined by submarines of the Italian Royal Navy (Regia Marina) after their Axis ally Italy entered the war on June 10, 1940. As an island nation, the United Kingdom was highly dependent on imported goods. Britain required more than a million tons of imported material per week in order to be able to survive and fight. In essence, the Battle of the Atlantic was a tonnage war: the Allied struggle to supply Britain and the Axis attempt to stem the flow of merchant shipping which enabled Britain to keep fighting. From 1942 onwards, the Germans also sough...