 On 8 July 1918 "U-156" stopped and scuttled the Norwegian owned "Manx King" at , which was traveling between New York and Rio de Janeiro.Captain Rasmus Emil Halvorsen and her crew were rescued from the lifeboats after 27 hours by DS "Anchites" of Liverpool, England.A mine laid by "U-156" is often credited with the loss of the cruiser USS "San Diego" on 19 July 1918, ten miles southeast of Fire Island, New York.