| 1907 |
C 12 (I 42)
|
Launched |
|
| 1915 |
J 5
|
Launched |
|
| 1915 |
J 6
|
Launched |
|
| 1927 |
Otway (N 51)
|
Completed |
|
| 1939 |
Ursula (N 59)
|
British HMS Ursula fired the first British submarine torpedoes of the war when attacking German U-35. The U-boat escaped |
|
| 1941 |
O 24 (Dutch)
|
Torpedoed and sank the Italian merchant Italo Balbo about 10 nautical miles west of Elba Island, Italy. |
|
| 1942 |
O 23 (Dutch)
|
Made a torpedo attack on a Japanese merchant vessel about 40 nautical miles southwest of Phuket. Two torpedoes were fired but both missed their target. |
|
| 1943 |
Welman 10
|
Midget submarine "Welman 10" sank alongside depot ship HMS Forth. The commander (Lt B Pedersen of the Norwegian Army) makes an unaided escape to the surface. There are no casualties |
|
| 1943 |
Rorqual (N 74)
|
HMS Rorqual lays 15 mines off Trikeri, Greece. |
|
