October 31st - On This Date - RN Submarine Service

1905	B3	Submarine HMS B3 launched
1917	K15	Submarine HMS K15 launched
1924	L23	Submarine HMS L23 completed
1939	Truant	Submarine HMS Truant completed
1939	Tigris	Submarine HMS Tigris launched
1940	Upholder	Submarine HMS Upholder completed
1941	HMS Truant	HMS Truant torpedoes sinks the Italian tanker Meteor 2 nautical miles south-east of Punta Penna, Ortona, Italy.
1941	USS Reuben James	U-552 sinks USS Reuben James (DD-245) escorting Convoy HX 156, loss of 115 lives. First US ship lost to enemy action in WWII.
1942	HMS Taku	HMS Taku fires four torpedoes against the Italian tanker Cerere about 10 nautical miles south of Cape Sounio, Greece. All torpedoes fired missed their target.
1943	Unsparing	HMS Unsparing damages a sailing vessel with gunfire south of Cape Koraxas, Amorgos Island, Greece.
1944	HMS Stoic	HMS Stoic sinks a Japanese sailing vessel with gunfire off the north-east tip of Java, Netherlands East Indies. She also bombards warehouses and fuel tanks at Jangka Island.
1949	HMS Artful	Commenced refit in Portsmouth Dockyard. On completion of the refit in early July 1950 HMS ARTFUL joined the 3rd Submarine Flotilla.