| 1906 | C9 | Laid Down |
| 1906 | C10 | Laid Down |
| 1916 | E53 | Launched |
| 1941 | Upholder (N99) | HMS Upholder attacks the Italian merchant Motia and the Italian tanker Delfin west of Tripoli, Libya. All torpedoes missed and Upholder was depth charged by the Italian torpedo boat Aldebaran. |
| 1942 | Thunderbolt (N25) | HMS Thunderbolt fires four torpedoes against the Italian torpedo boat Solferino in the Ionian Sea. |
| 1942 | Thorn (N11) | The Italian submarine Medusa was sunk in the Adriatic near Promontore, Istria, Italy by the British submarine HMS Thorn. |
| 1943 | Safari (P211) | HMS Safari sinks the Italian ships Aniello and Gemma with gunfire of Cape Scalea, Italy. |
| 1945 | Tantalus (P318) | HMS Tantalus sinks the Japanese fishing vessel Taisei Maru No. 12 with gunfire off Bangka Strait. |
| 1945 | Sea Devil (P244) | Launched |
| 1945 | Astute (P447) | Launched |
