Bathyscaphe Trieste
Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe, which with its crew of two reached a record maximum depth of about , in 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, Jacques Piccard (son of the boat's designer Auguste Piccard) and US Navy Lieutenant Don Walsh achieved the goal of Project Nekton.
History of underwater diving
The "Tritonia" suit was upgraded into the first JIM suit, completed in November 1971. This suit underwent trials aboard "HMS Reclaim" in early 1972, and in 1976, the JIM suit set a record for the longest working dive below , lasting five hours and 59 minutes at a depth of .