Trieste (bathyscaphe)
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Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe. In 1960, it became the first crewed vessel to reach the bottom of Challenger Deep in the Mariana Trench, the deepest point
Trieste shortly after her purchase by the US Navy in 1958
Pressure sphere, with forward ballast hopper, left
Don Walsh and Jacques Piccard aboard Trieste
Trieste just before the Mariana dive 23 January 1960, seen escorted by USS Lewis
Jacques Piccard
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Jacques Piccard was a Swiss oceanographer and engineer, known for having developed submarines for studying ocean currents. In the Challenger Deep, on 23 January 1960 he and Lieutenant Don Walsh of the
Trieste (bathyscaphe)
…for Project Nekton, a series of dives conducted by the United States Navy in the Pacific Ocean near Guam. The vessel was piloted by Swiss oceanographer Jacques Piccard and US Navy lieutenant Don Walsh. They reached a depth of about 10,916 metres (35,814 ft). The bathyscaphe was designed by Swiss scientist Auguste…
Piccard in 1979
Jacques Piccard; in the foreground a model of the mesoscaphe Ben Franklin