SM U-159
Introduction '''SM ''U-159''''' was a Type U-158 submarine of the Imperial German Navy, built during the First World War.SM ''U-159'' was one of six 810-ton boats ordered in February 1917.She was one of two ships built to an improved design developed from the Type U-115 design, along with her sister, . They were known as 'Project 25', and had a greatly increased radius of action. Both ships were built at Kaiserliche Werft Danzig, with ''U-159'' being launched on 25 May 1918.The war ended before she could see active service, and she was broken up in 1919.
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