March 17th - On This Date - RN Submarine Service

1916	E37	Submarine HMS E37 completed
1942	Vandal	Submarine HMS Vandal laid down
1942	Upstart	Submarine HMS Upstart laid down
1984	Tireless	Submarine HMS Tireless launched
1917	HMS A10	A10 foundered while moored alongside HMS Pactolus, at Eglinton Dock, Ardrossan. She was re-floated and sold two years later.
1942	HMS Unbeaten	HMS Unbeaten torpedoed & sank Italian submarine Guglielmotti near Cape Spartivento
1943	HMS Splendid	HMS Splendid torpedoes and sinks the Italian merchant Devoli 6 nautical miles bearing 245 of Cape San Vito, Sicily, Italy.
1943	HMS Trooper	HMS Trooper torpedoes and sinks the Italian merchant Forli south of Naples, Italy.

SAB