On 16 February 1917, Delphic narrowly avoided being torpedoed by U-60 off the coast of Southern Ireland (the torpedo was fired, but just missed the ship).
The morning of 22 September found a single U-boat — U-9 (under the command of Kapitänleutnant Otto Weddigen) — passing through the Broad Fourteens on her way back to base.
On May 31, 1918, his ship, President Lincoln was struck by three torpedoes from the German submarine U–90.
The famous Max Valentiner commanded a Type U 151 U-boat, U-157, and undertook the longest cruise in the war from November 27, 1917 to April 15, 1918, a total of 139 days.
Other notable exhibits include the huge medieval bombard, Pumhart von Steyr, the original shipbuilder's model of the battleship SMS Viribus Unitis, flagship of the Austro-Hungarian naval fleet during World War I, a French observation balloon, the oldest surviving European aircraft, L'Intrépide, and the wreck of SM U-20, an Austro-Hungarian Navy submarine sunk in combat in 1918.
The ship ran aground on the beach at Hastings in Sussex at approximately 12:45am, directly in front of the Queens Hotel.
Records show that she was to lay a field of mines in the shipping lane along the south shore of Long Island, just east of the Fire Island lightship.
In the summer of 1917 artist Claus Bergen accompanied U-53 on an Atlantic patrol, resulting in a series of well-known paintings.
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After a soothing speech by Sir Edward Grey, these complaints were calmed when he pointed out that the American ships had no legal right to interfere with these attacks and had done all they could to rescue the sailors in the water.
The first, ex-Umbilo, was purchased in 1909 from Bullard, King & Co renamed Castilian, 1917 torpedoed and sunk by U-61 off Ireland.
Torpedoed and sunk by U-34 on 22 April 1918, in the Mediterranean north of Béjaïa, Algeria.
On 21 August 1917 she was damaged by the German submarine U-102.
On their return journeys they were sunk by German submarines U-90 and U-151, respectively.