| 1928 | Osiris (N67) | Launched |
| 1941 | Unbeaten (N93) | HMS Unbeaten attacks the Italian merchant Silvio Scaroni off Tagiura, Libya with a spread of 4 torpedoes that miss the target. |
| 1942 | Thrasher (N37) | HMS Thrasher torpedoes and sinks the Italian merchant Penelope about 5 nautical miles north-west of Monopoli, Italy. |
| 1943 | Sportsman (P229) | HMS Sportsman torpedoes and sinks the French passenger ship Général Bonaparte off Nice, southern France. |
| 1943 | Unbroken (P42) | HMS Unbroken torpedoes and sinks the Italian pilot vessel F 20/Enrica 3 nautical miles off Pizzo Calabro. |
| 1943 | O24 (Dutch) | Attacked a Japanese merchant vessel with four torpedoes off the north coast of Sumatra. All torpedoes fired missed the target. |
| 1945 | Terrapin (P323) | Survived a depth charge attack in the Pacific by Japanese surface craft |
| 1945 | Scythian (P237) | HMS Scythian sinks a Japanese sailing vessel with gunfire in the Strait of Malacca. |
| 1950 | Sidon (P259) | Completed refit at Sheerness. |
