November 11th - On This Date - RN Submarine Service

1915	E26	Submarine HMS E26 launched
1915	E43	Submarine HMS E43 launched
1916	K13	Submarine HMS K13 launched
1930	Regent	Submarine HMS Regent completed
1942	Stubborn	Submarine HMS Stubborn launched
1943	Voracious	Submarine HMS Voracious launched
1967	Repulse	Submarine HMS Repulse launched
1942	HMS Unbeaten	HMS Unbeaten attacked and sunk in error by RAF Wellington of No.172 Squadron, Coastal Command. All hands lost. On patrol in Bay of Biscay for German raiders, supply ships and U-boats on passage
1942	HMS Turbulent	HMS Turbulent torpedoes and sinks the German auxiliary submarine tender Bengasi about 10 nautical miles north-east of Capo Carbonara, Sardinia, Italy.
1942	HMS Ursula	HMS Ursula attacks but misses the German submarine U-73 off Cabo de Gata, Spain.
1944	HMS Venturer	Torpedoed and sank the German submarine U-771 in the Andfjord near Harstad, Norway.
1944	HMS Tantalus	HMS Tantalus sinks the Japanese coaster Palang Maru with gunfire of the east coast of Malaya.
1951	Sidon	Paid off into Reserve Group "F" attached to 5th Submarine Flotilla Devonport pending refit.
2009	Trafalgar	HMS Trafalgar sailed into its Devon base for the final time prior to decommissioning. Its return was marked with a flypast by a navy Merlin helicopter.