Five Deeps Expedition Conducts Deepest Submarine Dive

Five Deeps Expedition Conducts Deepest Submarine Dive

At the deepest point, they were accompanied by some transparent bottom-dwelling sea cucumbers (Holothurians) and an amphipod called the Hirondellia gigas.

USA factual cablenet Discovery Channel has ordered a documentary series following the Five Deeps expedition, which aims to reach the deepest points of all five oceans.

Following the expedition, the team now plans to conduct a study to find out if the sea creatures they had collected contain microplastics or not.

"Most importantly we have opened the door to the final frontier-the exploration of the hadal zone and the workings of the deepest parts of the world's oceans", said Rob McCallum of EYOS Expeditions, whose company is managing the expedition.

Prior to Vescovo's monumental dive, only two people had successfully made it to the bottom of Challenger Deep.

Thus far, in addition to the Mariana Trench feat, Vescovo has become the first human to dive the deepest points in the Puerto Rico Trench of the Atlantic Ocean (27,480 feet in December 2018), the South Sandwich Trench of the Southern Ocean (24,388 feet in January 2019) and the Java Trench in the Indian Ocean (23,596 feet in April 2019).

One of the key objectives of the mission - along with discovering new sea creatures - is to create surveys of the undiscovered trenches below.

Mr Vescovo said: "It is nearly indescribable how excited all of us are about achieving what we just did".

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A Dallas man has set a new record for deep ocean diving in a submarine.

Technology has changed quite a bit since the Challenger Deep was first explored in 1960 by oceanographers Don Walsh and Jacques Piccard in the submersible Triest.

In the last three weeks, the expedition has made four dives in the Mariana Trench in his submarine, "DSV Limiting Factor", collecting biological and rock samples.

During his four-hour trek across the ocean floor, Vescovo relished in his once-in-a-lifetime achievement.

"I think nearly exactly 12 hours, [i.e.] four hours on the bottom, which I think is the longest anyone has ever been on the bottom of the Challenger Deep". According to the BBC, the pressure at the bottom of the ocean is equal to about 50 jumbo jets piled on top of a person.

Anthony Geffen, creative director of Atlantic Productions, said it was the most complicated filming he'd ever been involved with. Walsh also took part in the recent dive but this time stayed above the water while Vescovo descended.

Images from the fourth of The Five Deeps dive to Challenger Deep in the Pacific Ocean.

Once thought to be remote, desolate areas, the deep sea teems with life.

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