| 1902 | No 5 | Launched |
| 1915 | K3 | Laid Down |
| 1941 | Urge (N17) | An attack was made on two Italian Cruisers escorted by three destroyers and a torpedo boat in position 35`30'N 12`25'E both of the Cruisers were missed however the 1,200 ton Destroyer CURTATONE,which was one of the escorts was sunk. |
| 1942 | Unshaken (P54) | Completed |
| 1943 | Sickle (P224) | HMS Sickle attacked U-755 but missed. Sickle then torpedoed & sank U-303 south of Toulon |
| 1943 | Unbroken (P42) | HMS Unbroken torpedoes and sinks the Italian merchant Bologna 8 nautical miles off Capo Vaticano. |
| 1943 | Variance (P85) | Laid Down |
| 1943 | Vineyard (P84) | Laid Down |
| 1944 | Upstart (P65) | HMS Upstart torpedoes and sinks the German merchant Tolentino half a mile east of Port Vendres, southern France. |
| 1968 | USS Scorpion | The nuclear-powered US submarine Scorpion, with 99 men aboard, was last heard from. (The remains of the sub were later found on the ocean floor 400 miles SW of the Azores) |
| 1998 | HMCS Ojibwa | HMCS Ojibwa was paid off to alongside training |
