July 9th - On This Date - RN Submarine Service

1902	A1	Submarine HMS A1 launched
1917	M1	Submarine HMS M1 launched
1920	M3	Submarine HMS M3 completed
1928	Pandora	Submarine HMS Pandora laid down
1940	Unbeaten	Submarine HMS Unbeaten launched
1941	P38	Submarine HMS P38 launched
1974	Sovereign	Submarine HMS Sovereign completed
1929	H47	HMS L12 was at sea with an Officer Training Class; at the same time H47 was on independent exercises in the Irish Sea. At 0800 both submarines were off the Pembrokeshire coast with L12 ahead of H47. L12 suddenly altered course to starboard. H47 at once went full astern and to collision stations. The two submarines crashed together with L21 bow penetrating about 2 feet. In only 15 seconds H47 began to sink. L12 also began to take in water but her crew managed to control the flood.
1940	HMS Salmon	HMS Salmon departed her base to patrol off Skudesnes on the SW coast of Norway. She was sent signals on 9th, 11th and 12th July, the final one ordering a return to base. None of these signals were acknowledged. Later it became known that one of the signals routed her across a minefield, which at the time was unknown to the Admiralty. There is also a possibility that she was attacked by aircraft, but mining is the most likely.
1941	HMS Sealion	HMS Sealion sinks the French fishing vessel St Pierre d'Alcantara with gunfire off Ushant.
1941	HMS Torbay	HMS Torbay sinks the German sailing vessels L V, L XII and L VI, with gunfire and scuttling charges about 10 nautical miles north of Antikythera, Greece and damages the Italian oiler Strombo in the Zea Channel.
1943	HMS Taurus	HMS Taurus sinks four sailing vessels with two torpedoes and gunfire at Kastron harbour, Chios, Greece.
1944	HMS Spirit	HMS Spirit claims to have damaged a small Japanese oiler with gunfire to the north of Sumatra.
1945	HMS Sea Scout	HMS Sea Scout sinks three Japanese sailing vessels with gunfire in the Gulf of Siam.

SAB