1929 | Parthian (N75) | Launched |
1941 | Utmost (N19) | HMS Utmost torpedoes and sinks the Italian merchant Enrico Costa 4 nautical miles from Cape Todaro, Sicily, Italy. |
1941 | Severn (N57) | HMS Severn torpedoes and sinks the Italian merchant Polinnia about 95 nautical miles south-west of Ischia Island, Italy. |
1943 | O23 (Dutch) | Made a torpedo attack on a small empty Japanese tanker near the One Fathom Bank in the Malacca Straits. All torpedoes missed. |
1944 | Truculent (P315) | HMS Truculent torpedoes and sinks the Japanese merchant cargo ship Harugiku Maru about 60 nautical miles south-east of Medan, Sumatra. |
1944 | Sunfish (N81) | Commissioned. |
1945 | Statesman (P246) | HMS Statesman sinks a Japanese sailing vessel with gunfire north of Sumatra, Netherlands East Indies. |
1964 | Renown (S26) | Laid Down |