Diving for the Secrets of the Battle of the Atlantic

It’s a World War II campaign largely forgotten, a coastal reign of terror Joe Hoyt and a team of marine archaeologists are determined to bring into sharp focus 70 years later.

During the first six months of 1942, German U-boats, often hunting in wolf packs, sank ship after ship just miles off the East Coast of the United States, concentrating their ambushes along North Carolina, where conditions were most favorable. From the beaches, civilians could see the explosions as the submarines sank more Allied tonnage in those months than the entire Japanese Navy would destroy in the Pacific during the entire course of the war.

German submariners dubbed it the “American Shooting Season.” While estimates of the carnage vary according to where boundaries are drawn, one survey concluded that 154 ships were sunk and more than 1,100 lives lost off the North Carolina coast in that period....