SM U-115
SM "U-115" was a German Type U 115 U-boat ("Projekt 43") of the Imperial German Navy built at Schichau-Werke, Elbing. As her sister ship , she was never completed and ultimately broken up in Danzig after the armistice. Her main engines were used in M/S "Adolf Sommerfeld" ex . Both boats had been offered to the IGN free of charge by Schichau in an attempt to gain experience in building submarines. When construction of the two boats began to lag behind due to shortages in raw materials and lack of experience in submarine construction they were declared  war boats ("Kriegsboote"), formally ordered by the "Reichsmarineamt" and given their respective designation. On 20 October 1918 Schichau-Werke reported "U 115" would not be ready for delivery until the spring of 1919. Nevertheless 14 more boats of the class were ordered on 29 June 1918 for delivery in 1919.