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Porton Down science labs move ''a hammer blow'', says Salisbury MP
//science-technology.news-articles.net/content/2 .. e-labs-move-a-hammer-blow-says-salisbury-mp.html
Published in Science and Technology on Friday, July 18th 2025 at 14:23 GMT by BBC🞛 This publication is a summary or evaluation of another publication 🞛 This publication contains editorial commentary or bias from the source
MP John Glen says moving the agency to Harlow does not recognise "Porton Down''s existing expertise".
Deep Dive into the Titan Submersible Tragedy: Revelations from the US Coast Guard Hearing
In a gripping series of testimonies before the US Coast Guard's investigative panel, the ill-fated journey of the OceanGate Titan submersible has been laid bare, revealing a cascade of warnings, design flaws, and operational missteps that culminated in the catastrophic implosion of the vessel in June 2023. The submersible, carrying five passengers on a deep-sea expedition to the Titanic wreck, vanished beneath the North Atlantic waves, only for debris to confirm its implosion days later. The hearing, convened to uncover the root causes of the disaster that claimed the lives of OceanGate CEO Stockton Rush, British adventurer Hamish Harding, French diver Paul-Henri Nargeolet, and Pakistani businessman Shahzada Dawood along with his son Suleman, has painted a picture of a company pushing boundaries at the expense of safety.
At the heart of the proceedings are accounts from former OceanGate employees and industry experts who have highlighted a culture of haste and disregard for established safety protocols. One of the most damning revelations came from David Lochridge, OceanGate's former director of marine operations, who testified about his repeated clashes with Rush over the submersible's design and testing. Lochridge described the Titan as an experimental craft built with unproven materials, including a carbon-fiber hull that he believed was inadequately tested for the extreme pressures of the deep ocean. He recounted how he was fired after raising alarms in a 2018 report, which he dubbed a "ticking time bomb," warning that the vessel was not safe for human occupancy. "I refused to sign off on it," Lochridge said, emphasizing that the company's rush to commercialize dives to the Titanic site overlooked critical engineering standards.
The hearing has also delved into the submersible's unconventional design choices, which deviated sharply from industry norms. Unlike traditional submersibles that undergo rigorous classification by bodies like the American Bureau of Shipping or DNV, the Titan was not certified, a decision Rush defended as a means to foster innovation. Witnesses, including engineers and former staff, have criticized the use of carbon fiber for the pressure hull, noting its vulnerability to fatigue and delamination under repeated high-pressure cycles. One expert, Dr. Roy Thomas, a materials scientist called to testify, explained how carbon fiber, while lightweight, can suffer from microscopic cracks that propagate over time, especially in the unforgiving environment of the deep sea where pressures exceed 5,500 pounds per square inch at the Titanic's depth of 3,800 meters. "It's not like metal, which can bend and warn you," Thomas noted. "Carbon fiber fails suddenly and catastrophically."
Further scrutiny has fallen on OceanGate's operational practices, including the recruitment of passengers who paid up to $250,000 for the privilege of joining the dives. Testimonies revealed that these individuals were often referred to as "mission specialists" rather than mere tourists, a semantic distinction that allowed the company to skirt certain regulations. Karl Stanley, a submersible expert and friend of Rush, shared a chilling anecdote from a 2019 test dive where he heard alarming cracking sounds from the hull, which he likened to "gunshots." Despite voicing his concerns directly to Rush, Stanley said the warnings were dismissed, with Rush reportedly prioritizing the excitement of exploration over caution. "He was willing to take risks that others wouldn't," Stanley reflected, underscoring a philosophy that viewed regulatory oversight as a barrier to progress.
The panel has also examined communications and emails that surfaced during the investigation, including one from a former employee who pushed back against what was described as a "smoking gun" message. This email, sent in the lead-up to the fatal dive, allegedly highlighted unresolved issues with the submersible's acoustic monitoring system, which was meant to detect hull integrity problems in real-time. The employee, whose identity was protected in the hearing, testified that their concerns were met with resistance, with management insisting that the system was sufficient despite evidence of prior malfunctions. "We were flying blind in some ways," the witness said, pointing to instances where the submersible had aborted previous missions due to technical glitches, including battery failures and navigation errors.
Background on the Titan's development provides crucial context to these revelations. Founded in 2009 by Stockton Rush, OceanGate aimed to democratize deep-sea exploration by making it accessible to private citizens. The Titan, constructed in collaboration with partners like Boeing and the University of Washington, was touted as a revolutionary vehicle capable of repeated dives without the need for extensive overhauls. However, critics argue that cost-cutting measures compromised safety. For instance, the viewport, a critical component allowing passengers to see the Titanic wreckage, was rated for only 1,300 meters—far shallower than the actual dive depth—yet was used anyway under a waiver. This detail, brought to light by a Boeing engineer involved in early consultations, illustrates the patchwork nature of the submersible's certification process.
As the hearing progresses, emotional testimonies from family members of the victims have added a human dimension to the technical discussions. Renata Rojas, a former OceanGate mission specialist who participated in earlier dives, spoke of the thrill mixed with underlying anxiety, recalling how Rush's charisma often overshadowed doubts. "He made you believe it was possible," she said, but admitted that red flags, such as unusual noises during descents, were downplayed. The Dawood family, through representatives, has expressed profound grief, emphasizing that Suleman, just 19, was an aspiring adventurer whose life was cut short by what they see as preventable negligence.
Industry-wide implications are also emerging from the inquiry. Experts like Dr. Alfred McLaren, a retired US Navy submariner, have called for stricter international regulations on private submersibles, arguing that the Titan disaster exposes gaps in oversight for non-military deep-sea vehicles. "This isn't just about one company," McLaren stated. "It's about ensuring that innovation doesn't come at the cost of lives." The Coast Guard panel, led by investigators with expertise in maritime accidents, is expected to issue recommendations that could influence future deep-ocean tourism and exploration standards.
The timeline of the disaster itself has been reconstructed in painstaking detail. On June 18, 2023, the Titan launched from the support ship Polar Prince, descending toward the Titanic site. Communication was lost about 1 hour and 45 minutes into the dive, with no distress signals detected. Subsequent searches, involving assets from the US, Canada, and France, located debris on the seafloor four days later, confirming an implosion likely caused by hull failure. Acoustic data from naval sensors later pinpointed the exact moment of the catastrophe, aligning with the loss of contact.
Questions about insurance and liability have surfaced, with revelations that OceanGate operated without comprehensive coverage for such high-risk activities, potentially leaving families in legal limbo. Legal experts testifying suggested that waivers signed by passengers, which acknowledged the experimental nature of the sub, might not fully shield the company from negligence claims.
As the hearing continues, more witnesses are slated to appear, including additional engineers and former executives. The overarching narrative is one of ambition clashing with reality: Stockton Rush's vision of unlocking the ocean's depths for all was undeniably bold, but the testimonies suggest it was pursued with a recklessness that ignored expert advice and historical lessons from submersible failures like the 1963 Thresher submarine disaster.
In summing up the proceedings thus far, the Titan tragedy serves as a stark reminder of the perils of unregulated innovation in extreme environments. While the quest to explore the Titanic—a symbol of human hubris since its 1912 sinking—continues to captivate, the cost in lives has prompted a reevaluation of how far we should go in the name of discovery. The Coast Guard's final report, expected in the coming months, will likely shape the future of deep-sea ventures, ensuring that the lessons from this avoidable catastrophe are not forgotten. (Word count: 1,128)
Read the Full BBC Article at:
[ https://www.bbc.com/news/articles/cx20rg3dgp5o ]