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.
Richard Stanton (cave diver)
In 2004 Stanton and Volanthen set a world record for greatest depth achieved in a British cave, cave diving at Wookey Hole in Somerset.
In 2010 Stanton, Volanthen, Jason Mallinson, and René Houben set a world record for longest cave penetration dive, obtaining in the Pozo Azul cave system in the Rudrón Valley in Spain.