| 1909 | 1889 - 1955: Vulcan | Recommissioned as Depot Ship at Chatham |
| 1942 | Upholder (N99) | Italian submarine R.Smg. Ammiraglio Saint Bon is sunk by a torpedo from submarine HMS Upholder north of Milazzo, Sicily. The Italian submarine is enroute to Libya carrying 155 tons of gasoline and ammunition. The torpedo hits on the starboard side causing the gasoline to explode. There are only three survivors |
| 1942 | Unique (N95) | HMS Unique attacks the Italian battleship Littorio with torpedoes in the Gulf of Taranto but miss the target. |
| 1951 | 1907 - 1951: Lucia (F27) | Scrapped in La Spezia, Italy |
