June 13th - On This Date - RN Submarine Service

1889	Vulcan	Depot Ship HMS Vulcan launched
1914	E8	Submarine HMS E8 completed
1916	E38	Submarine HMS E38 launched
1938	Tuna	Submarine HMS Tuna laid down
1940	HMS Grampus	HMS Grampus laid a minefield off Augusta, Sicily. She had left Malta on the 10th
1940	Grampus	HMS Grampus attacks the Italian submarine Giovanni Bausan and the Italian torpedo boat Polluce with torpedoes. The attack however fails. Grampus also laid a minefield (50 mines) off Augusta, Sicily, Italy.
1942	HMS Unison	HMS Unison fires four torpedoes at the Italian light cruisers Raimondo Montecuccoli and Emanuelle Filiberto Duca d’Aosta south of Sardinia, Italy. The torpedoes miss.
1943	Ultor	Submarine Ultor bombards the D/F station, Lipari Islands
1944	HMS Stoic	HMS Stoic claims to have sunk a landing craft with gunfire off Penang.

SAB