The Tucker class destroyerUSS Porter (DD-59) attacks and badly damages a U-boat that was attempting to attack a convoy. This was probably U-108, which survived the war and was given to the French
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), 28 April 1918, http://www.historyofwar.org/firstworldwar/daybyday/1918_04_28.html