1920 | P554 | Launched |
1938 | Orzel (Polish) | Launched |
1941 | Regent (N41) | HMS Regent torpedoes and sinks the Italian merchant Città di Messina about 45 nautical miles east of Tripoli, Libya. |
1943 | Splendid (P228) | HMS Splendid torpedoes and sinks the Italian merchant Emma about 15 nautical miles south-west of Isola di Capri, Italy. |
1944 | Tally-Ho (P317) | HMS Tally Ho, on her third patrol and cruising the waters around the Andaman Islands, fires six torpedoes at what is believed to be a motor vessel. One torpedo hits & sinks Ryuko Maru south of Port Blair |
1944 | Unruly (P49) | HMS Unruly sinks the Greek sailing vessel Aghios Giorgios with gunfire north of Syros Island, Greece. |
1944 | Unsparing (P55) | HMS Unsparing sinks two Greek sailing vessels with gunfire off Lemnos Island, Greece |
1955 | Rorqual (N74) | Laid Down |