The US Navy had acquired a submersible called the bathyscaphe Trieste and Don, a submarine lieutenant, volunteered to join the project. But when he signed up for the mission, the deepest he'd been ...

An expert diver's record-breaking feat was supplemented, not by the discovery of a magical marine creature, but by plastic ...

In January 1960, Walsh, then a U.S. Navy lieutenant, and Swiss engineer Jacques Piccard were sealed inside a 150-ton, steel-hulled bathyscaphe named the Trieste to attempt to dive nearly 7 miles ...