| 1916 | G11 | Launched |
| 1941 | Ursula (N59) | HMS Ursula torpedoes and damages the Italian merchant Sabbia about 20 nautical miles east of Susah, Tunisia. Ursula was damaged by depth charges during a counter-attack by the Italian torpedo boat Generale Carlo Montanari. |
| 1941 | Union (N56) | Completed |
| 1943 | L23 | While serving as A/S training target ship on Canada's east coast, HMS L 23 was sent to Philadelphia, USA for a refit. |
| 1944 | Unsparing (P55) | HMS Unsparing sinks the Greek sailing vessel Evangelistria with gunfire off Volos, Greece. |
| 1944 | Truncheon (P353) | Launched |
