This is Trieste on the bottom, Challenger Deep. Six three zero zero fathoms. Over.”
The year was 1960, and U.S. Navy Lieutenant Don Walsh was calling in. At some 36,000 feet, he and Swiss oceanographer and engineer Jacques Piccard had just arrived where no one had ever been: our planet’s deepest point, the Challenger Deep in the Pacific Ocean’s Mariana Trench.
Since then, 12 humans have walked on the moon and hundreds have traveled in space, but only one other person, filmmaker James Cameron, has visited the Challenger Deep. And, each of the two manned submersibles that ventured there—Trieste in 1960 and Deepsea Challenger in 2012—only went once.
Now, Triton Submarines of Sebastian, Florida, has created a manned submersible that reportedly can travel to the ocean’s extreme depths again and…