Where Divers DareBy: Randall Peffer In the tradition of Shadow Divers, this is the gripping true account of the search for German U boat U 550, the last unfound, diveable wreck of a U boat off the United States coast, and the battle in which it was sunk. On April 16, 1944, the SS Pan Pennsylvania was torpedoed and sunk by the German submarine U 550 off the coast of Nantucket, Massachusetts. In return the sub was driven to the surface with depth charges, and then sent