| 1889 | 1889 - 1955: Vulcan | Launched |
| 1914 | E8 | Completed |
| 1916 | E38 | Launched |
| 1938 | Tuna (N94) | Laid Down |
| 1940 | Grampus (N56) | HMS Grampus laid a minefield off Augusta, Sicily. She had left Malta on the 10th |
| 1940 | Grampus (N56) | 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 | Unison (P43) | 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 (P53) | Submarine Ultor bombards the D/F station, Lipari Islands |
| 1944 | Stoic (P231) | HMS Stoic claims to have sunk a landing craft with gunfire off Penang. |