March 7th - On This Date - RN Submarine Service

1914	W3	Submarine HMS W3 laid down
1941	Splendid	Submarine HMS Splendid laid down
1970	Courageous	Submarine HMS Courageous launched
1916	HMS E5	HMS E5 was sunk by by the German Cruiser Strassburg in the North Sea.
1916	E24	E24 became the first British Mine laying Sub to begin operational mine laying in the mouth of the River Elbe.
1941	Porpoise	While enroute to Halifax, Canada, HMS Porpoise makes an unsuccessful torpedo attack on a submarine in the North Atlantic.
1944	HMS Sceptre	HMS Sceptre torpedoes and heavily damages the German merchant Lippe off the Foldafjord, Norway. The Lippe is beached but breaks up the following day.

SAB