HMT Olympic (the sister ship of the Titanic, then served as a British troop ship) rammed U-103 just before the submarine could torpedo her. Thirty five survivors from the U-boat are rescued by the destroyer USS Davis (DD-65).
U.S. Destroyers: An Illustrated Design History, Norman Friedmann .
The standard history of the development of American destroyers, from the earliest torpedo boat destroyers to the post-war fleet, and covering the massive classes of destroyers built for both World Wars. Gives the reader a good understanding of the debates that surrounded each class of destroyer and led to their individual features.
How to cite this article: Rickard, J (3 January 2018), 12 May 1918, http://www.historyofwar.org/firstworldwar/daybyday/1918_05_12.html