| 1929 |
Parthian (N 75)
|
Launched |
|
| 1941 |
Utmost (N 19)
|
HMS Utmost torpedoes and sinks the Italian merchant Enrico Costa 4 nautical miles from Cape Todaro, Sicily, Italy. |
|
| 1941 |
Severn (N 57)
|
HMS Severn torpedoes and sinks the Italian merchant Polinnia about 95 nautical miles south-west of Ischia Island, Italy. |
|
| 1943 |
O 23 (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 (P 315)
|
HMS Truculent torpedoes and sinks the Japanese merchant cargo ship Harugiku Maru about 60 nautical miles south-east of Medan, Sumatra. |
|
| 1944 |
V 1 (USSR)
|
Commissioned. |
|
| 1945 |
Statesman (P 246)
|
HMS Statesman sinks a Japanese sailing vessel with gunfire north of Sumatra, Netherlands East Indies. |
|
| 1964 |
Renown (S 26)
|
Laid Down |
|
