Why Was the U.S. So Unprepared for This U-Boat Attack?

After three weeks at sea, German submarine U-123 sails by the coast of New York and immediately finds a potential target: the large British oil tanker, Coimbra. The ease of the attack raises questions about why the U.S. wasn t more prepared. From: HELL BELOW: Hitler s Revenge http://bit.ly/2aYQoUi