Trieste II in Washington, United States

Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe which reached a record depth of about 10,911 metres in the Challenger Deep of the Mariana Trench near Guam in the Pacific. On 23 January 1960, Jacques Piccard and US Navy Lieutenant Don Walsh achieved the goal of Project Nekton. It was the first crewed vessel to reach the bottom of the Challenger Deep.

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The Trieste

USN Ships--TRIESTE (1958-1963) after 1960

Welcome to : The Deepest DEEP-SEA Dive in History

Trieste II (DSV 1) - U. S. Naval Undersea Museum

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VIDEO: Navy Celebrates 60th Anniversary of Trieste Dive - USNI News

Bathyscaph Trieste Alumni Association

A Navy submarine captain set the record for the deepest ocean dive

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Trieste II (DSV 1) Flag - U. S. Naval Undersea Museum