Shadow Divers: The True Adventure of Two Americans Who Risked Everything to Solve One of the Last Mysteries of World War II

by Robert Kurson

The plan’s dangers were encyclopedic, a textbook on how to get killed

“Any one of these can kill you,” Kohler said. “But you’ll be lucky if only one of them happens. More likely, a bunch of them will gang up on you and kill you even faster.

“Deal with this problem,” Chatterton told himself. “Guys die because they don’t take care of the first problem. Don’t let the snowball roll.”