page_title: January 1960
hierarchical_section_title: January 1960
caption_attribution_description: English: Bathyscaphe Trieste, a Italian-built deep-diving research submersible vehicle, which with its crew of two reached a record maximum depth of about 10,911 metres (35,797 ft), in the first descent of the deepest known part of the Earth's oceans, the Challenger Deep, in the Mariana Trench near Guam in the Pacific, on 23 January 1960. It is being hoisted out of the water in a tropical port, circa 1958-59, soon after her purchase by the US Navy. The craft consists of a 2 meter spherical steel pressure vessel constituting the 2-man crew cabin, made to withstand the extreme pressure suspended below a large tank of gasoline making up the bulk of the vessel. The gasoline being lighter than water makes the craft buoyant, while its incompressibility withstands the pressure of the surrounding water without requiring a heavy pressure vessel.
context_page_description: The following events occurred in January 1960:
context_section_description: The following events occurred in January 1960:
caption: January 23, 1960: The bathyscaphe Trieste descends seven miles to the ocean floor
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