"More than the story of a single, savage engagement, Unsinkable traces the individual journeys of five men on one ship from Casablanca in North Africa, to Sicily and Salerno in Italy and then on to Plunkett's defining moment at Anzio, where a dozen-odd German bombers bore down on the ship in an assault so savage, so prolonged, and so deadly that one Navy commander was hard-pressed to think of another destroyer that had endured what Plunkett had. After...