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.
Deep Diver
Deep Diver was the name of a deep-sea scientific research submersible built by Edwin Albert Link. "Deep Diver" was the first small submersible designed for lockout diving, allowing divers to leave and enter the craft while underwater. It was first launched in January 1966.