On 20 November 1939, U-18 attacked the tanker MV Athelking with a torpedo. The torpedo missed and the wake of the destroyer HMS Inglefield caused it to explode.
Charles McCain is a Washington DC based freelance journalist and novelist. He is the author of "An Honorable German," a World War Two naval epic. You can read more of his work on his website: http://charlesmccain.com/ View all posts by Charles McCain