Jacques Piccard (right), co-designer of the bathyscaphe, and Ernest Virgil loading iron shot ballast into Trieste, prior to her record 18,600 foot descent in in the Marianas Trench, off Guam. The dive was made on 15 November 1959. Photo was released for publication on 28 November 1959.
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'''Description''' U.S. Navy Bathyscaphe Trieste (1958-1963) Jacques Piccard (right), co-designer of the bathyscaphe, and Ernest Virgil loading iron shot ballast into Trieste, prior to her record 18,600 foot descent in in the Marianas Trench, off Guam. T