Retired Navy Capt. Don Walsh, an explorer who in 1960 was part of a two-man crew that made the first voyage to the deepest part of the ocean — to the “snuff-colored ooze” at the bottom of the Pacific’
In January 1960, Don 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 seven miles (11 kilometers) below the surface.
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