Events
On This Day - July 3
| 1916 | E26 | Lost On 2nd July 1916 a German Patrol boat reported a trail of oil on the surface just off the Ems that was thought to be emanating from a submarine. The following day German forces attacked a British submarine with both gunfire and bombs. E26 did not return from her patrol. The crew were all lost. |
| 1920 | 1920 - 1952: Wolfe (F37) | Launched |
| 1940 | Snapper (N39) | HMS Snapper torpedoes and sinks the Norwegian merchant Cygnus west of Hadryet, Norway. |
| 1940 | Sealion (N72) | HMS Sealion fires 6 torpedoes against a German convoy off the Boknafjord, Norway. None of the torpedoes found it's target and Sealion was heavily depth charged following this failed attack. |
| 1941 | Upholder (N99) | HMS Upholder torpedoes in sinks the Italian merchant Laura C off Saline Ioniche, Calabria |
| 1942 | Truant (N68) | HMS Truant torpedoes and sinks the Japanese army cargo ship Tamon Maru No.1 in the Strait of Malacca. |
| 1943 | Trident (N52) | HMS Trident torpedoes and damages the Italian merchant Vesta west of Leros, Greece. |
| 1943 | Rorqual (N74) | HMS Rorqual lays 21 mines in the Skiathos Channel. |
| 1944 | Ultimatum (P34) | HMS Ultimatum fires two torpedoes at the German auxilary patrol vessel Uj 6073/Nimeth Allah off Toulon, southern France. The torpedoes miss the target. |
| 1944 | Unruly (P49) | HMS Unruly fires three torpedoes at the German merchants Erpel and Pelikan north-east of Mykonos. The torpedoes miss. |
| 1944 | Vox (P67) | HMS Vox sinks two sailing vessels with gunfire off Monemvassia, Greece. |
| 1945 | Selene (P254) | HMS Selene damages a Japanese coaster with gunfire in the Gulf of Siam. |
