![]() This general configuration remained the same but after modifications to the hull for Project Nekton, which included the dive to Challenger Deep, Trieste was more than 15 metres (49 ft) long. ‘’Trieste’’ consisted of a heavy crew sphere suspended from a hull containing tanks filled with gasoline (petrol) for buoyancy, ballast hoppers filled with iron shot and floodable water tanks to sink. īuilt in Italy and launched on 26 August 1953 near the Isle of Capri on the Mediterranean Sea it was operated in the Mediterranean by the French Navy for several years until it was purchased by the United States Navy in 1958 for US$250,000, equivalent to $2.5 million today. The term bathyscaphe refers to its capacity to dive and manoeuvre untethered to a ship in contrast to a bathysphere, bathys being ancient Greek meaning "deep" and scaphe being a light, bowl-shaped boat. Trieste was designed by the Swiss scientist Auguste Piccard, based on his previous experience with the bathyscaphe FNRS-2. General arrangement, showing the key features JSTOR ( January 2011) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Trieste" bathyscaphe – news Please help improve this article by adding citations to reliable sources in this section. This section needs additional citations for verification. ![]() Since the 1980s, it has been on exhibit in the National Museum of the United States Navy in Washington, D.C. The vessel was first owned and operated by the French Navy until it was purchased by the US Navy in 1958. It was built in Italy and first launched in 1953. The bathyscaphe was designed by Swiss scientist Auguste Piccard, the father of pilot Jacques Piccard. They reached a depth of about 10,916 metres (35,814 ft). ![]() ![]() The vessel was piloted by Swiss oceanographer Jacques Piccard and US Navy lieutenant Don Walsh. The mission was the final goal for Project Nekton, a series of dives conducted by the United States Navy in the Pacific Ocean near Guam. In 1960, it became the first crewed vessel to reach the bottom of Challenger Deep in the Mariana Trench, the deepest point in Earth's seabed. Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe. ![]() Trieste shortly after her purchase by the US Navy in 1958Īcciaierie Terni/ Cantieri Riuniti dell'Adriatico ![]()
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