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The French-designed 1862 Alligator, first submarine of the U.S. Navy. During the American Civil War, the Union was the first to field a submarine. The French-designed Alligator was the first U.S. Navy sub and the first to feature compressed air (for air supply) and an air filtration system. It was the first submarine to carry a diver lock ...
Other successes followed. In October U-9 sank the cruiser Hawke and U-27 sank the submarine E3, the first time one submarine sank another, and on the last day of the year SM U-24 sank the pre-dreadnought battleship Formidable. By the end of the initial campaign, the U-boats had sunk nine warships while losing five of their own number. [9]
U-995, a typical VIIC/41 U-boat on display at the Laboe Naval Memorial. U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars.The term is an anglicized version of the German word U-Boot ⓘ, a shortening of Unterseeboot (under-sea boat), though the German term refers to any submarine.
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.
1914, October 18 – German submarine U-27 sinks HMS E3 in the first ever successful attack on one submarine by another. 1914, October 20 – German submarine U-17 sinks SS Glitra in the first submarine sinking of a merchant ship during the world wars. [1] 1915, May 7 – German submarine U-20 sinks RMS Lusitania killing 1,198 and leaving 761 ...
The first U-boat sent—U-21—achieved initial success, sinking the Royal Navy predreadnought battleships HMS Triumph and Majestic on 25 and 27 May respectively on her way to Constantinople, but ran into severe limitations in the Dardanelles, where swarms of small craft and extensive anti-submarine netting and booms restricted their movements.
The Type UB I submarine (sometimes known as the UB-1 class [1]) was a class of small coastal submarines built in Germany at the beginning of the First World War.Twenty boats were constructed, most of which went into service with the German Imperial Navy (Kaiserliche Marine) Boats of this design were also operated by the Austro-Hungarian Navy (Kaiserliche und Königliche Kriegsmarine or K.u.K ...
Naval warfare in World War I was mainly characterised by blockade. The Allied powers, with their larger fleets and surrounding position, largely succeeded in their blockade of Germany and the other Central Powers, whilst the efforts of the Central Powers to break that blockade, or to establish an effective counter blockade with submarines and commerce raiders, were eventually unsuccessful.