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Image courtesy of Tim Briggs, Lincoln Laboratory MIT

Evolving Strategies for Subsea Cable Security

of the picture,” Grainger continued. “The real test is how quickly we can respond when disruption occurs. That depends on having the right vessels available, the right skills in place, and regulatory frameworks that allow rapid mobilization across borders.”IMCA notes that growing demand for offshore energy infrastructure, including wind and field interconnection, is placing additional pressure on the availability of specialized vessels and skilled personnel required for installation and repair.“This is not just about the immediate incident,” Grainger added. “As energy

© Cellula Robotics

Hahn Appointed VP, Tech Transfer and Strategy at Cellula Robotics

, and strategic market growth across advanced technology sectors, including recent work focused on autonomous technology commercialization in the US defense market. She also brings a track record of engagement across the wider defense and autonomy community."Cellula has built a strong reputation for delivering advanced subsea capability with real operational relevance," said Hahn. "I am pleased to join the company at an important stage in its growth and look forward to supporting its US market development while helping strengthen the partnerships, customer engagement, and strategic

(Credit: DeepOcean)

DeepOcean, Woodside Wrap Up Dual-Scope Subsea Survey at Sangomar Field

DeepOcean and Woodside Energy have completed a combined subsea inspection and 3D scanning campaign at the Sangomar field offshore Senegal.The campaign covered 69 subsea structures, including 17 subsea trees, using a methodology that allows inspection and 3D scanning to be performed simultaneously.DeepOcean said the approach enabled the work to be completed in slightly more than half the time required for two separate operations, while increasing the amount of data collected.The work used remotely operated vehicles equipped with scanning systems and software to generate digital 3D models of subsea

Source: MIT

Researchers Improving Collaboration Between Divers and AUVs

The electricity to an island goes out. To find the break in the underwater power cable, a ship pulls up the entire line or deploys remotely operated vehicles (ROVs) to traverse the line. But what if an autonomous underwater vehicle (AUV) could map the line and pinpoint the location of the fault for a diver to fix?Such underwater human-robot teaming is the focus of an MIT Lincoln Laboratory project that seeks to leverage the respective strengths of humans and robots to optimize maritime missions for the U.S. military, including critical infrastructure inspection and repair, search and rescue, harbor

Photo: Aditya Mehrotra/Department of MechE - MIT

Carbon Removal Project Supports Maine’s Aquaculture Market

Oceans absorb roughly 25 to 30 percent of the CO2 that is released into the atmosphere. When this CO2 dissolves in seawater, it forms carbonic acid, making the water more acidic and altering its chemistry. Elevated levels of acidity are harmful to marine life like corals, oysters, and certain plankton that rely on calcium carbonate to build shells and skeletons.“As the oceans absorb more CO2, the chemistry shifts — increasing bicarbonate while reducing carbonate ion availability — which means shellfish have less carbonate to form shells,” explains Kripa Varanasi, professor of

Ocean Aero’s Triton autonomous underwater and surface vehicle (AUSV) was taken up by the Port of Gulfport last year. Credit: Ocean Aero

Integrated, Multi-Domain Port Security

An Australian Federal Police commander, noting the billions of drugs intercepted as they entered Australia last year, said: “No matter how creative these criminals attempt to be, our message is clear – we are on to you."It’s a challenge that Lemvos Robotics offers help for. The company’s LM450 multirole USV supports sonar, ROV/AUV launch systems and UAV docking, enabling environmental monitoring, defense/security and seafloor mapping tasks. It operates remotely or semi‑autonomously via satellite or 5G, carries over 300 kg and can stay on mission for weeks.For drug detection

© namning / Adobe Stock

UK Sent Military to Counter Russian Submarine Activity Near Cables

year, Defence Minister John Healey said on Thursday.Britain accused Russia of using the distraction of events in the Middle East to try to conduct the covert operation in the High North maritime region, home to key shipping routes and critical infrastructure such as undersea cables.Healey said British forces and allies including Norway tracked and deterred malign activity by the Russian vessels, adding that the submarines had now left the area and there were no signs of damage to underwater infrastructure.Revealing the operation publicly at a press conference, Healey said the intent was to show Russian

© mozgova / Adobe Stock

The Politics of a Subsea Data Cable Link to Antarctica

cable link from New Zealand or Australia to its McMurdo research base in Antarctica. There’s been no update on the project under the current administration, and research funding has been cut to the Foundation, perhaps casting the plan in doubt.There’s another project in the planning stages for a link from Chile to King George Island, the Antarctic region with the highest density of research stations, which is being developed through funding from Multilateral Cooperation Center for Development Financing and CAF Development Bank of Latin American and the Caribbean.These cables would facilitate

Late last year, the U.S. Army put Greensea IQ’s Everclean to the test. What did it find? A hull cleaning operation that would have taken a week with diver’s in the water was reduced to six hours.
Image courtesy U.S. Army Colonel Rachael Hoagland

Green Tech: Rise of the [Hull Clening] Robots

For centuries, shipowners have fought a persistent enemy beneath the waterline: biofouling. Barnacles, algae, slime and other marine organisms attach themselves to hull surfaces, increasing hydrodynamic drag and reducing vessel efficiency. Traditionally, the fight against fouling relied on antifouling coatings, diver cleaning teams, and periodic drydock maintenance. But in the last decade, a new class of underwater robotics has begun to change that equation.Robotic hull-cleaning systems, once viewed primarily as a niche environmental compliance tool, are quickly becoming an operational necessity for

The annual Oceanographic issue explores deep sea oxygen research, sonar technology, carbon sequestration, and subsea defense trends.
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