| 1940 | Sealion (N 72) | HMS Sealion had her first success with the sinking of the German merchant ship August Leonhardt off the Danish island of Anholt in the Skaggerak. |
| 1940 | Triad (N 53) | HMS Triad torpedoes and sinks the German troop transport Ionia in the Skagerrak south of the Oslofjord, Norway. |
| 1942 | Torbay (N 79) | HMS Torbay sinks the Italian sailing vessel Gesu Crocifisso with gunfire north-west of Korfu. |
| 1943 | Sibyl (P 217) | HMS Sibyl fires four torpedoes against the Italian merchant Fabriano about 10 nautical miles north-north-west of Punta Raisi, Sicily, Italy. All torpedoes missed their target. |
| 1943 | Torbay (N 79) | HMS Torbay claims the sinking of a sailing vessel with gunfire off Corfu, Greece. |
| 1944 | Untiring (P 59) | HMS Untiring sinks the German auxiliary minesweeper M 6022/Enseigne south of Cannes, southern France. |
| 1945 | Statesman (P 246) | HMS Statesman sinks three Japanese barges with gunfire in the Strait of Malacca. |