| 1918 | R10 | Launched |
| 1920 | L21 | Completed |
| 1937 | Tarpon (N17) | Laid Down |
| 1938 | Unity (N66) | Completed |
| 1940 | Tigris (N63) | HMS Tigris attacks a submarine with torpedoes in the Bay of Biscay. This might have been the Italian submarine Otario. |
| 1940 | Regent (N41) | HMS Regent rams and sinks the already grounded Italian sailing vessel Maria Grazia off Bari, Italy. |
| 1942 | Safari (P211) | HMS Safari torpedoes and damages the Italian merchant Eneo south of Sebenik, Yugoslavia. ship is later salvaged but delared a total loss. |
| 1943 | Unruffled (P46) | HMS Unruffled torpedoes and sinks the German merchant Pommern off Bastia. |
| 1944 | Untiring (P59) | HMS Untiring sinks a sailing vessel with gunfire and also fires 4 torpedoes against the German merchant Burgas off the Kassandra peninsula, Greece. All torpedoes miss. |
| 1979 | Splendid (S106) | Launched |
| 1985 | Tireless (S88) | Completed |
