Notwithstanding the special C.R.B. flags flown by ships and enormous banners covering them, there were losses: the Harpalyce returning from Rotterdam after delivering a shipment was torpedoed by the German submarine SM UB-4 in April 1915 with the loss of 15 lives.
While sailing off the coast of Great Yarmouth on 14 August 1915, Gunner Jehan received news that a merchant ship, the Bona Fide, of 59 tons, had been stopped by the German submarine UB-4 and subsequently scuttled with explosives by a boarding party.
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He began the war as a warrant officer and was decorated and commissioned after sinking UB-4.
The fate of UB-107 was the subject of an episode of the documentary television series Deep Sea Detectives: "Mystery U-Boat of WWI".
She was broken up in Toulon in July 1921 after being used for underwater demolition training.
who sailed her to Zeebrugge, arriving on 16 February, the first U-boat of the type to be based there.
When UB-2 sailed to join the Flanders Flotilla in May 1915, she became the only member of her class to not be shipped by rail to Antwerp to join the unit.
UB-5 was broken into sections and shipped by rail to Antwerp for reassembly.
UB-50 was commissioned later that same year under the command of Kapitänleutnant (Kptlt.) Franz Becker.
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The Britannia was on a voyage to Gibraltar when she was torpedoed off Cape Trafalgar.
National Archives and Records Service, U.S. General Services Administration, Washington: 1984
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A survey of the wreck showed no obvious indication of weapon attack being the cause of loss (although this could not be ruled out; damage assessment expert David Manley (author) determined that shock damage from a depth charge attack could have caused loss through failure of internal seawater systems and hull penetrations that would not be obvious from an external examination).
On 3 January 1917 near Crete, the Huntsend was damaged by a torpedo fired by the German U-boat SM UB-47.
There are two memorials to him in Chepstow - a painting by Charles Dixon of the events in the Dardanelles, hanging in St Mary's Church; and a naval gun from the German submarine SM UB-91 presented by King George V, which stands in the town's main square beside the war memorial.