Submarines and Submersibles

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    North Korea Says It’s Building a Nuclear-Powered Submarine

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    The announcement came amid fears that Pyongyang may be receiving crucial military technology from Russia in return for sending troops and weapons for its war against Ukraine.North Korea said on Saturday that it was building its first nuclear-powered submarine to enhance its nuclear weapons abilities, and the state news media showed the nation’s leader, Kim Jong-un, inspecting part of what appeared to be a new submarine larger than any owned by the country.The announcement, made in the state news media, came as United States and South Korean officials feared that the North may be receiving technological help from Russia to help modernize its military in return for sending troops and conventional weapons to help in its war against Ukraine.Mr. Kim “learned about the building of a nuclear-powered strategic guided missile submarine,” the North’s official Korean Central News Agency said in a report on Saturday about his visit to an unidentified naval shipyard. The agency carried photographs showing what appeared to be the hull of a submarine under construction.It was the first time that North Korea claimed that a nuclear-powered submarine was under construction and claimed to show a photograph of it.North Korea has dozens of old Soviet-era submarines, all diesel-powered, which would have to resurface frequently to recharge their batteries during a long-distance trip like crossing the Pacific. A nuclear-powered submarine, which can cover a long distance without resurfacing, would enhance North Korea’s ability to approach a faraway enemy like the United States without being detected, and to strike it with nuclear missiles.The state news media on Saturday quoted Mr. Kim as saying that his country’s naval might would be “fully displayed in any necessary waters without limitation.”We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Family of Titan Crew Member Sues OceanGate

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      Paul-Henri Nargeolet, a French explorer, died along with four other crew members when OceanGate’s Titan craft imploded on its journey to the Titanic.The family of a French explorer who was aboard the Titan submersible, the vessel that imploded last year during its failed mission to explore the Titanic wreckage, killing all five people aboard, has filed a wrongful-death lawsuit against the craft’s manufacturer, OceanGate Expeditions.Paul-Henri Nargeolet, a French explorer whose deep knowledge of the sunken ship earned him the nickname “Mr. Titanic,” was hired to assist OceanGate, a Washington State-based ocean exploration company, during the Titan’s journey to the Titanic.But the company and its founder, Richard Stockton Rush III, who also died aboard the vessel, misled Mr. Nargeolet about how the submersible was built, according to the lawsuit filed in King County, Wash.“Mr. Rush confessed to a ‘mission specialist’ on one Titanic voyage that he had ‘gotten the carbon fiber used to make the Titan at a big discount from Boeing because it was past its shelf life for use in airplanes,’” according to the lawsuit, which the Houston-based law firms Buzbee Law Firm and Schecter, Shaffer & Harris said was filed on Tuesday.The French deep sea explorer and Titanic expert Paul-Henri Nargeolet with a miniature version of the sunken ship.Joel Saget/Agence France-Presse — Getty ImagesThe lawsuit also accuses Mr. Rush of negligence for a variety of reasons, including falsely advertising a “crackling noise” that was said to be an advanced “safety” feature to alert crew members when to abort a mission. In reality, the lawsuit says that sound “is nothing more than the detection of a possibly imminent failure of the carbon fiber hull.”We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Billionaire Plans Dive to the Titanic in a Newly Designed Submersible

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      Larry Connor, 74, who made his wealth in real estate, said he’s building a new acrylic-hulled submersible that will be certified and rigorously tested to show that deep sea exploration is safe.A real estate billionaire in Ohio is planning an underwater voyage to the site of the Titanic shipwreck, where a submersible imploded on its approach to the sea floor a year ago, killing all five passengers on board.Shortly after the OceanGate disaster, Larry Connor, 74, a real estate investor and amateur adventurer, contacted the co-founder of Triton Submarines, Patrick Lahey, imploring him to build a submarine that could reach the depths of the Titanic safely and repeatedly, according to The Wall Street Journal.The two men aim to explore and conduct scientific research at the site, located off the coast of Newfoundland, 12,500 feet under the sea, in a two-person submersible that Triton is designing in the summer of 2026.“Ours is just not a trip to the Titanic,” Mr. Connor said in an interview on Tuesday. “It’s a research mission.”“The other purpose is to demonstrate to people around the globe that you can build a revolutionary, first-of-its-kind sub and dive it safely and successfully to great depths,” he added.The custom sub, which Mr. Connor plans to call “The Explorer — Return to the Titanic,” is still in the design phase and will be based on an existing submarine design that Mr. Lahey had worked on for years. It is listed on the Triton website as the Abyssal Explorer, an acrylic-hulled vessel than can reach depths of 13,000 feet, “the perfect submersible for repeated trips to the deep ocean.”We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More