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On This Day - February 17

1864 Hunley The first successful submarine torpedo attack took place when the USS Housatonic was sunk by the Confederate submarine Hunley in Charleston harbour however, the force of the explosion was so great that the submarine itself was also blown up, killing all on board.
1917 V 2 Launched
1942 Unshaken (P 54) Launched
1942 Unswerving (P 63) Laid Down
1943 Splendid (P 228) HMS Splendid sinks the Italian merchant XXI Aprile about 3 nautical miles north of Cape San Vito, Sicily, Italy.
1943 Virtue (P 75) Laid Down
1945 Statesman (P 246) HMS Statesman sinks the Japanese trawler Matsujima Maru No.3 and the Japanese coasters Nippon Maru No.19, Nanyo Maru No. 17 and Nippon Maru No.14 with gunfire in the Malakka Strait.
1972 Forth (F04) 1938 - 1978 Renamed Defiance, depot Ship of Devonport Fleet Maintenance Base and parent ship of 2nd Sub Sqdn
1973 Spartan (S 105) Ordered from Vickers, Barrow by Admiral Sir Edward Ashmore after launch of HMS Soverign.
1973 Sovereign (S 108) Launched

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Varne (P 66) / Ula (Norwegian)

Class: 1936 - 1958: U Class
Built By: Vickers (Barrow)
Build Group: U2
Fate:
Scrapped in 1965
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X-Craft Versus Tirpitz
Norwegian investigative journalist Alf Jacobsen relates one of the most incredible tales of the Second World War, in which Royal Navy X-craft midget submarines attacked the German battleship Tirpitz in Norway.

A daring plan was hatched by the Admiralty to sink Tirpitz using midget submarines to plant high explosive mines beneath the ship's keel.
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