Fabien Cousteau ends mission at undersea lab (Update)

Jul 02, 2014
Fabien Cousteau reacts as he returns to the dock after 31 days undersea in the Aquarius Reef Base, Wednesday, July 2, 2014, in Islamorada, in the Florida Keys. Cousteau and his team of filmmakers and scientists dove June 1 to study the effects of climate change and pollution on a nearby coral reef. (AP Photo/Lynne Sladky)

After 31 days undersea, Cousteau stepped off a boat wearing flip-flops and a beach towel wrapped around his waist, saying he was torn about leaving his underwater home, but he missed his family and friends.

The French oceanographer and his team of filmmakers and scientists started decompression Tuesday afternoon inside Aquarius Reef Base, 63 feet (19 meters) below the ocean's surface.

Because they've spent so much time underwater, Cousteau and his "Mission 31" crew needed to undergo roughly 16 hours of decompression inside the school bus-sized lab so that they could return to the surface without suffering the bends. They're set to return to the Aquarius command center in Islamorada on Wednesday morning.

The crew dove June 1 to Aquarius to study climate change and pollution on a nearby coral reef. Cousteau is scheduled to talk with reporters Wednesday afternoon.

Five things to know about Cousteau's undersea mission

Fabien Cousteau comes from a famous family of filmmakers, advocates and ocean explorers, and now he's added to their legacy of sea stories a 31-day expedition at an underwater laboratory in the Florida Keys. Here are five things to know about Cousteau's "Mission 31," which ended Wednesday.

THE AQUANAUTS

The French oceanographer spent 31 days living and working underwater at Aquarius Reef Base. Filmmakers and researchers from Florida International University, Northeastern University and MIT also joined him for two-week-long stretches during the expedition.

Fabien Cousteau, standing by a hatch, clasps his hands as he returns to the dock after 31 days undersea in the Aquarius Reef Base, Wednesday, July 2, 2014, in Islamorada, in the Florida Keys. Cousteau and his team of filmmakers and scientists dove June 1 to study the effects of climate change and pollution on a nearby coral reef. (AP Photo/Lynne Sladky)

AQUARIUS REEF BASE

The 460-square-foot (140.2-meter) pressurized lab sits 63 feet (19.2 meters) below the ocean's surface in the Florida Keys National Marine Sanctuary with bunks for six. It's owned by the federal government and operated by Florida International. It allows its inhabitants to scuba dive for up to nine hours without needing to resurface or undergo decompression.

SCIENTIFIC PURPOSE

Cousteau says living underwater allowed the FIU researchers to do six months' worth of data gathering in two weeks. The researchers tested new sonar equipment that produces video without additional lighting, studied the relationship between predator fish with their prey and set up experiments on a nearby reef focused on the effects of climate change and pollution on nearby corals and sponges.

Fabien Cousteau, right, is hugged by a member of his team as he returns to the dock after 31 days undersea in the Aquarius Reef Base, Wednesday, July 2, 2014, in Islamorada, in the Florida Keys. Cousteau and his team of filmmakers and scientists dove June 1 to study the effects of climate change and pollution on a nearby coral reef. (AP Photo/Lynne Sladky)

FAMILY LEGACY

Cousteau is the grandson of ocean exploration pioneer Jacques Cousteau, who helped develop the advanced diving techniques used at Aquarius. "Mission 31" was conceived as a nod to Conshelf II, a 30-day underwater living experiment in the Red Sea that the elder Cousteau filmed for his Oscar-winning documentary "World Without Sun."

UNDERWATER PERSPECTIVE

Aquarius isn't the only unusual vessel Fabien Cousteau has employed to explore and film the oceans. For a 2006 documentary on sharks, he built a shark-shaped submarine that he called Troy, which enabled him to closely observe real sharks without scuba divers or shark cages.

Explore further: Cousteau prepares to end 'Mission 31' in Fla. Keys

More information: Online: Mission 31, mission-31.com/

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