| 1913 |
S 2
|
Laid Down |
|
| 1915 |
Ambrose (F08) 1903 - 1946
|
Sold to the Admiralty |
|
| 1917 |
H 21
|
Launched |
|
| 1937 |
P 552
|
Decommissioned |
|
| 1939 |
Seal (N 37)
|
HMS Seal arrived at Portsmouth |
|
| 1939 |
Trident (N 52)
|
Sailed on her first war patrol |
|
| 1942 |
Safari (P 211)
|
The Titania (under tow following a previous attack by HMS Unbroken) is sunk early by HMS Safari east of Tunisia. |
|
| 1942 |
Thrasher (N 37)
|
HMS Thrasher torpedoes and sinks the Italian merchant Lero between Symi and Rhodos Islands, Greece. |
|
| 1944 |
Sceptre (P 215)
|
HMS Sceptre torpedoes and sinks the German auxilary submarine chaser UJ 1111 off Lister, Norway. |
|
