| 1914 |
E 11 (I 91)
|
Completed |
|
| 1936 |
Sterlet (N 22)
|
Completed her 1st war-patrol without incident |
|
| 1939 |
Seal (N 37)
|
HMS Seal departed Aden for her 2nd war patrol. Again she was ordered to patrol off the southern entrance to the Red Sea. |
|
| 1941 |
Graph (P 715)
|
Former U-570 was commissioned into the Royal Navy as HMS Graph |
|
| 1941 |
Spiteful (P 227)
|
Laid Down |
|
| 1941 |
Graph (P 715)
|
Completed |
|
| 1944 |
Spirit (P 245)
|
HMS Spirit sinks a Siamese sailing vessel with gunfire north of Sumatra. |
|
| 1944 |
Trenchant (P 331)
|
HMS Trenchant sinks two Siamese sailing vessels through ramming east of Sumatra. |
|
| 1998 |
Vengance (S 31)
|
Launched |
|
| 2012 |
Ambush (S 120)
|
Ambush sails into Her Majesty's Naval Base Clyde to begin sea trials. |
|
