February 17th - On This Date - RN Submarine Service

1917	V2	Submarine HMS V2 launched
1942	Unshaken	Submarine HMS Unshaken launched
1942	Unswerving	Submarine HMS Unswerving laid down
1943	Virtue	Submarine HMS Virtue laid down
1973	Sovereign	Submarine HMS Sovereign launched
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.
1943	HMS Splendid	HMS Splendid sinks the Italian merchant XXI Aprile about 3 nautical miles north of Cape San Vito, Sicily, Italy.
1945	HMS Statesman	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	Renamed Defiance, depot Ship of Devonport Fleet Maintenance Base and parent ship of 2nd Sub Sqdn
1973	HMS Spartan	Ordered from Vickers, Barrow by Admiral Sir Edward Ashmore after launch of HMS Soverign.

SAB