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The U-boat campaign from 1914 to 1918 was the World War I naval campaign fought by German U-boats against the trade routes of the Allies, largely in the seas around the British Isles and in the Mediterranean, as part of a mutual blockade between the German Empire and the United Kingdom.
British efforts were helped by a gradual increase in the number of escort vessels available as the old ex-American destroyers and the new British- and Canadian-built Flower-class corvettes were now coming into service in numbers. Many of these ships became part of the huge expansion of the Royal Canadian Navy, which grew from a handful of ...
The Atlantic U-boat campaign of World War I (sometimes called the "First Battle of the Atlantic", in reference to the World War II campaign of that name) was the prolonged naval conflict between German submarines and the Allied navies in Atlantic waters—the seas around the British Isles, the North Sea and the coast of France.
The Atlantic campaign was a tonnage war; the UBW needed to sink ships faster than they could be replaced to win, and needed to build more U-boats than were lost in order not to lose. Before May 1943, the UBW was not winning; even in their worst months, the majority of convoys arrived without being attacked, while even in those that were ...
U-303 was sunk on 21 May 1943 in the western Mediterranean south of Toulon, in position by torpedoes from the British submarine HMS Sickle. 20 crewmembers died and 28 U-374 was sunk on 12 January 1942 in the western Mediterranean, east of Cape Spartivento , in position 37°30′N 16°00′E / 37.50°N 16.00°E / 37.50; 16.00 ( U ...
The Astute-class submarine is the largest nuclear fleet submarine ever to serve with the Royal Navy, being nearly 30% larger than its predecessors. Its powerplant is the Rolls-Royce PWR2 reactor, developed for the Vanguard-class SSBN. The submarine's armament consists of up to 38 Spearfish torpedoes and Tomahawk Block IV land-attack cruise ...
In May 1915, still commanded by Nasmith, E11 arrived at the Dardanelles to join the submarine campaign in the Sea of Marmara. E11 was the second submarine to undertake a successful tour, following the E14 which had passed through the straits on 27 April. The E11 passed through the Dardanelles on the night of 18 May.
The early British E-class submarines, from E1 to E8, had a displacement of 652 long tons (662 t) at the surface and 795 long tons (808 t) while submerged.They had a length overall of 180 feet (55 m) and a beam of 22 feet 8.5 inches (6.922 m), and were powered by two 800-horsepower (600 kW) Vickers eight-cylinder two-stroke diesel engines and two 420 horsepower (310 kW) electric motors.