| 1907 | C 7 (I 37) | Launched |
| 1907 | C 8 (I 38) | Launched |
| 1915 | E 49 | Laid Down |
| 1915 | W 2 | Launched |
| 1941 | Cachalot (N 84) | HMS Cachalot lays minefield FD 30 (50 mines) in the Vest Fjord, Norway. The same day she also makes a torpedo attack on a merchant ship but without result. |
| 1942 | P 38 | HMS P38 torpedoes and sinks Italian merchant Ariosto off Tunisia. 138 Allied POW's are lost |
| 1942 | P 36 | HMS P 36 torpedoes and damages the Italian destroyer Carabiniere off Taranto. |
| 1943 | Saracen (P 247) | HMS Saracen torpedoes and damages the French (in German service) tanker Marguerite Finaly in the Capo di Noli/Capo di Vado area, Italy. |
| 1943 | Una (N 87) | HMS Una torpedoes and sinks the Italian merchant Petrarca about 10 nautical miles north of Crotone, Calabria, Italy. |
| 1943 | Supreme (P 252) | Laid Down |
| 1943 | Templar (P 316) | Completed |
| 1943 | Visigoth (P 76) | Laid Down |
| 1944 | Upstart (P 65) | HMS Upstart sinks German auxiliary minelayer Niedersachsen (former French Guyane) off the Italian Riviera |
| 1944 | Ultor (P 53) | HMS Ultor sinks the German sailing vessel Paulewith gunfire off Hyeres, southern France. |
| 1945 | Thorough (P 324) | HMS Thorough sinks a Japanese sailing vessel with gunfire of the west coast of Siam. |
| 1945 | Sanguine (P 266) | Launched |
| 1964 | Onyx (Ojibwa) | HMS Onyx renamed HMCS Ojibwa while under construction |
| 1968 | Resolution (S 22) | The first test-firing of a Polaris missile from a Royal Navy submarine was successfully conducted |