SM UB-36 [SEP] vessel class
SM UB-36
SM "UB-36" was a German Type UB II submarine or U-boat in the German Imperial Navy () during World War I. The U-boat was ordered on 22 July 1915 and launched on 15 January 1916. She was commissioned into the German Imperial Navy on 22 May 1916 as SM "UB-36".
The submarine sank seven ships in twelve patrols. She herself was sunk in May 1917, but her fate is a matter of dispute. Some sources claim that "UB-36" was rammed
SM UB-123
SM "UB-123" was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. She was commissioned into the German Imperial Navy on 6 April 1918 as SM "UB-123".
She torpedoed and sunk a vessel operated by the City of Dublin Steam Packet Company on 10 October 1918, shortly after the new German Government had asked President Wilson to negotiate an armistice. "Leinster" went down just outside Dublin Bay. Over 500 people perished in the sinking