On This Day - November 20
|1939||P511||HMS Undine departed Rosyth for Blyth where she arrived later the same day.|
|1943||Sibyl (P217)||HMS Sibyl sinks two Greek sailing vessels with gunfire in the Gulf of Saloniki, Greece.|
|1944||Spark (P236)||HMS Spark sinks a Japanese sailing vessel with gunfire of the Mergui Archipelago, Burma.|
|1944||Tally-Ho (P317)||HMS Tally-Ho sinks the Japanese auxiliary minelayer Ma 4 about 30 nautical miles east of the southern tip of Great Nicobar Island.|
|2009||Astute (S119)||Arrived at Faslane for the first time.|
The submarine's arrival on the Clyde marks the beginning of a process that will see Faslane become the UK's sole operating submarine base over the next decade.