Before World War II, experts dismissed sharks as a threat to servicemen. Then in 1942, Navy headquarters received reports about horrific attacks on castaways adrift from sunken ships and downed airplanes. Many of these reports proved to be true. Soon after the war, diving pioneers sought out sharks, expecting the worst because of the shark attack stories. Instead, they found an animal less to be feared than understood.

At the height of World War II, Navy headquarters received reports about horrific shark attacks on servicemen adrift. Join Robert Cantrell and his team as they dive among the sharks of World War II. Understand why sharks attacked and why divers can swim among these dangerous sharks, even after sundown.