April 7th - On This Date - RN Submarine History

1909	C37	Submarine HMS C37 laid down
1909	C38	Submarine HMS C38 laid down
1915	E17	Submarine HMS E17 completed
1915	G12	Submarine HMS G12 laid down
1945	Tarn	Submarine HMS Tarn completed
1978	Spartan	Submarine HMS Spartan launched
1942	HMS Turbulent	HMS Turbulent sinks the Italian merchant Rosa M. with gunfire south of Cattaro, Yugoslavia.
1943	HMS Tuna	The German submarine U-644 was sunk in the North Sea north-west of Narvik, Norway, by torpedoes from the British submarine HMS Tuna.
1943	HMS Artful	Ordered from Scotts Shipbuilding and Engineering Co Ltd, Greenock
1944	HMS Ultor	HMS Ultor torpedoes and sinks a large sailing vessel off Monemvassia, Greece.
1944	Unshaken	HMS Unshaken torpedoes and sinks the German merchant Asien off Lista, Norway.
1945	HMS Statesman	HMS Statesman sinks a Japanese sailing vessel with gunfire in the Strait of Malacca.
1989	Komosomolets	42 crew members died when the Soviet Komosomolets submarine sank in the Norwegian Sea following a fire. The submarine, called the "Golden Fish" among the Northern fleet's officers, was the only of the Mike-class, a unique titanium-hulled submarine commissioned in 1984. Komsomolets could go deep, very deep. Able to dive down to 1,000 meter (3,000 feet) under the surface she was impossible to spot from any American satellites or underwater sound-detections systems.

SAB