April 12th - On This Date - RN Submarine Service

1916	G10	Submarine HMS G10 completed
1919	R10	Submarine HMS R10 completed
1935	Clyde	Submarine HMS Clyde completed
1943	Tally-Ho	Submarine HMS Tally-Ho completed
1945	Affray	Submarine HMS Affray launched
1945	Alcide	Submarine HMS Alcide launched
1945	Alcide	Submarine HMS Alcide completed
1940	HMS Snapper	HMS Snapper sinks the small German tanker Moonsund with gunfire off Larvik, Norway.
1941	HMS Tetrarch	HMS Tetrarch torpedoes and sinks the Italian tanker Persiano about 30 nautical miles north-west of Tripoli, Libya.
1942	HMS Turbulent	HMS Turbulent makes a torpedo attack on a submarine off Fiume. The target is not hit.
1942	Urge	Torpedoes were fired at a two ship convoy. This was unsuccessful as the torpedo tracks were sighted by a flying boat acting as the escort and the ships were warned to slow down and stop.
1943	Ultor	HMS Ultor fires three torpedoes against a German controlled merchant and the German merchant Nicoline Maersk about 8 nautical miles east of Cape Camarat. All torpedoes miss.
1944	Untiring	HMS Untiring torpedoes ans sinks the German merchant Diana 5 nautical miles south of Oneglia.
1945	HMS Stygian	HMS Stygian sinks a Japanese coaster with gunfire near Bali.
1945	Tapir	The German submarine U-486 was sunk in the North Sea north-west of Bergen, Norway, by torpedoes from the British submarine HMS Tapir. Last sinking by a British Submarine in home waters.

SAB