Challenger Deep first manned mission Trieste Jacques Piccard Don Walsh

The First Deepest Dive Proceedings - January 2020 Vol. 146/1/1,403

Don Walsh Describes the Trip to the Bottom of the Mariana Trench - IEEE Spectrum

An Unmatched Journey To Mysterious Ocean Depths : NPR

Longines Timepieces in Bathyscaphe Trieste And On The Wrist of Piccard

Victor Vescovo, Triton sub dives Mariana Trench in Five Deeps Expedition

After 50 years, he's still dived deepest – Orange County Register

The First Crewed Vessel To Reach The Deepest Point In The Ocean

What would happen to a scuba diver if he exited a submersible at the bottom of the Challenger Deep in the Mariana Trench? - Quora

TRIESTE BATHYSCAPHE MARIANA TRENCH JACQUES PICCARD DON WALSH WORLD RECORD DEEPEST SUBMARINE DIVE