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.
Archimède
On 15 July 1962, "Archimede" descended to into the Kurile-Kamchatcha Trench, making it the second deepest dive ever, at that point in time, second only to the Bathyscaphe Trieste dive on the Challenger Deep.