| 1915 | E11 | E11 torpedoed the antiquated Turkish battleship Hirredin Barbarosa off Bulair at the northern entrance to the Dardanelles. |
| 1940 | Sealion (N72) | HMS Sealion fires a torpedo at the beached wreck of the German merchant Palime off Obrestadt. The Palime was beached after hitting a mine on 5 June 1940 that was laid by HMS Narwhal. |
| 1941 | Sealion (N72) | HMS Sealion sinks the French fishing vessel Christus Regnat with gunfire off Ushant. |
| 1941 | Torbay (N79) | Around 1130 hours HMS Torbay sinks the German sailing vessels L XIV and L I with gunfire and scuttling charges east of Kythera, Greece. |
| 1943 | Trident (N52) | HMS Trident damages the German patrol vessel GA 41/Tassia Christa with gunfire some 20 miles north of the Doro channel. |
| 1943 | Taurus (P339) | HMS Taurus sinks two Greek sailing vessels through ramming. Taurus also torpedoes and damages the Greek merchant Konstantinos Louloudis off Skyros, Greece. |
| 1943 | Ultor (P53) | HMS Ultor torpedoes and sinks the Italian merchant Valfionita off Rasocomolo, Sicily, Italy. |
| 1944 | Porpoise (N14) | HMS Porpoise lays 16 more mines of the mouth of the Deli river and 10 mines in the Strait of Malacca. |
| 1944 | Trump (P333) | Completed |
| 1945 | Aurochs (P426) | Launched |
