'We’re doing everything we can': US and Canada search for missing Titanic 'underwater tourism' sub

On Sunday, June 18, a submarine in the North Atlantic Ocean exploring wreckage from the Titanic — a British passenger ship that sank in April 1912 — disappeared. As of June 19, according to The Guardian and Reuters, the submarine was still missing. And an extensive search was being conducted.
The Guardian reports, "The submersible was reported overdue on Monday, but contact was lost one hour 45 minutes into its dive on Sunday afternoon, the (U.S.) Coast Guard said. A British explorer and a French military veteran and submarine expert were believed to be among those onboard the Titan, a deep diving submersible operated by underwater tourism company Oceangate."
U.S. and Canadian ships and planes, according to Reuters, were helping with the search on June 19. The U.S. Coast Guard said that the Titan had the ability to be submerged for up to 96 hours. The missing British explorer is Hamish Harding.
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Reuters reports, "U.S. and Canadian ships and planes have swarmed the area about 900 miles/1450 km, east of Cape Cod, some dropping sonar buoys that can monitor to a depth of 13,000 feet/3962 meters, U.S. Coast Guard Rear Admiral John Mauger told reporters on Monday."
At a press conference, Rear Admiral John Mauger told reporters, "We are doing everything we can do…. We're making the best use of every moment of that time. What we're focused on is finding those five people."
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