Subsea Defense News

GABLER, a provider of submarine systems, and German defense technology company FLANQ have successfully completed the Sea Acceptance Test (SAT) demonstrating seaworthiness of their jointly developed Torpedo-Tube-Launched Uncrewed Surface Vessel (TTL USV) capability demonstrator.The demonstrator vehicle, named Ranger, combines GABLER's experience in mission-critical submarine components and defense manufacturing with FLANQ's capabilities in autonomous maritime systems, mission software…

Cobham Ultra, a portfolio company of Advent, a leading global private equity investor, announced that it has agreed to sell Ultra Maritime, a worldwide leader in next-generation undersea warfare solutions, to Lockheed Martin, for $3.45 billion.Since acquiring Ultra Maritime in 2022, Advent has partnered closely with the management team to transform the business into a unified, mission-focused enterprise dedicated to advancing undersea warfare solutions. By integrating previously widespread capabilities…

Italian shipbuilder Fincantieri has agreed to acquire majority stakes in four companies for an initial expenditure of about $687 million (€600 million), expanding its capabilities in marine drones, subsea services and underwater communications across commercial and defense markets.The agreements cover acquisitions of majority stakes in Next Geosolutions, WSense, Graal Tech, and Defcomm, which will be integrated into Fincantieri’s Underwater technological hub.Next Geosolutions…

Kongsberg has signed a contract with an unnamed international customer to deliver technologies for the protection of critical infrastructure.The project will focus primarily on underwater surveillance and protection, according to Kongsberg, which did not disclose the value of the contract.Critical infrastructure includes oil and gas installations, telecommunication cables, energy grids, ports and transportation networks.“Preventing and detecting threats and attacks are essential to protect people and critical infrastructure.

German federal prosecutors said on Thursday that a Ukrainian national tied to the Nord Stream pipeline blasts has been charged with being an accomplice to a war crime, disruption of public services, causing an explosion and destroying structures.Serhii K, as the suspect is known under German privacy rules, is suspected of acting on behalf of Ukrainian government entities, along with other military personnel, to destroy the pipelines in 2022.The aim was to permanently halt gas deliveries…

Greensea Systems, Inc., d.b.a, Greensea IQ, won a $18,154,710 Indefinite-Delivery/Indefinite-Quantity (IDIQ) contract to provide hardware, software, and engineering technical services for underwater controllers used to operate autonomous and remotely operated systems in maritime environments. This seven year, sole-source award, made under the authority of 10 U.S. Code 3204(a)(1) further establishes Greensea IQ as a trusted leader in subsea autonomous solutions for the Department of War. The Naval Information Warfare Center Pacific, San Diego, California serves as the contracting activity.

The United States has transferred four Ocean Aero Triton autonomous underwater and surface vehicles (AUSVs) to the Armed Forces of the Philippines to strengthen the country's maritime domain awareness and its ability to monitor and respond to maritime challenges.The delivery, valued at approximately $13 million, was completed on June 22 during a turnover ceremony at the Philippine Navy's Naval Operating Base Subic, attended by U.S. and Philippine military officials.The Triton…

Saronic and Castelion have announced plans to join forces to launch a hypersonic vehicle from an unmanned surface vessel. By integrating Castelion’s Blackbeard with Saronic’s Medium Unmanned Surface Vessel (MUSV) Marauder, the two companies offer a powerful, credible option to deter would-be adversaries.A First-of-Its-Kind IntegrationThe collaboration between Castelion and Saronic marks the first integration of autonomous surface vessels with hypersonics and stands to accelerate…

Fincantieri's subsidiary WASS Submarine Systems and Magellan Aerospace Corporation have signed a memorandum of understanding to explore industrial cooperation aimed at supporting Canada's underwater defense capabilities.The agreement establishes a framework for the two companies to identify and develop areas of cooperation related to heavyweight torpedoes and torpedo countermeasure systems.Under the arrangement, WASS and Magellan will assess opportunities for Canadian industrial participation across a range of activities…

The United States, Britain and Australia are working together to develop unmanned undersea vehicles as part of their trilateral AUKUS defence pact, U.S. Secretary of Defense Pete Hegseth told reporters on Saturday.AUKUS said in a joint statement that delivery of the vehicles will start in 2027.The program will improve the three nations' reconnaissance and strike capabilities, "and bolster superiority in anti-submarine and anti-surface warfare, mine countermeasures, electronic warfare, and contested littoral manoeuvre," the statement added.

Hyliion Holdings Corp., a developer of modular power plant technology, announced that the U.S. Navy’s Office of Naval Research (ONR), in partnership with the Defense Advanced Research Projects Agency (DARPA), has selected the USX-1 Defiant as a candidate test vessel for Hyliion’s KARNO technology. Initial sea trials are funded under a development program from the Office of Naval Research (ONR) to advance the use of KARNO Cores for onboard power generation in U.S. Navy vessels.For the USX-1 Defiant sea trials…

A new quantum clock technology developed in Australia has now been deployed in space.Developed by QuantX Labs, TEMPO delivers up to 10 times the performance of current GNSS-based timing systems. In space, that translates to more resilient communications, more accurate navigation and harder-to-disrupt synchronization between satellites and ground systems – capabilities that matter when GPS is jammed, spoofed or unavailable.The development comes as the Australian Government released the 2026 National Defence Strategy and Integrated Investment Program last month…

Ocean Power Technologies (OPT) has demonstrated autonomous docking, charging and redeployment capabilities for its WAM-V autonomous surface vehicle as part of efforts to support longer-duration offshore operations.The company said the system enables the maritime drone to approach a dock, secure itself, recharge and return to operation without human intervention.OPT is preparing the technology for integration with its PowerBuoy platform to create offshore charging points capable…

South Korea’s Hanwha Ocean and Canadian marine bearing manufacturer Thordon Bearings have signed a memorandum of understanding (MoU) to explore cooperation on Canada’s submarine procurement program and other naval projects.The agreement focuses on the Canadian Patrol Submarine Program, one of the largest conventional submarine procurement programs currently planned, under which Hanwha Ocean has been selected as one of two qualified suppliers by the Canadian government.Hanwha Ocean…

The Nord Stream gas pipelines were attacked in 2022 as a direct result of Russia's invasion of Ukraine, insurers told a London court on Thursday as they seek to avoid paying out nearly 580 million euros ($684 million) over blasts that hit the pipelines.Nord Stream is suing Lloyd's and Arch Insurance over explosions in September 2022 that ruptured pipelines carrying Russian gas under the Baltic Sea to Germany.The explosions – for which no state has taken responsibility - largely severed Russian gas supplies to Europe…

Britain deployed military vessels to prevent any attacks on cables and pipelines by Russian submarines that spent more than a month in and around British waters earlier this 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…

China is conducting a vast undersea mapping and monitoring operation across the Pacific, Indian and Arctic oceans, building detailed knowledge of marine conditions that naval experts say would be crucial for waging submarine warfare against the United States and its allies.In one example, the Dong Fang Hong 3, a research vessel operated by Ocean University of China, spent 2024 and 2025 sailing back and forth in the seas near Taiwan and the U.S. stronghold of Guam, and around strategic stretches of the Indian Ocean, ship-tracking data reviewed by Reuters shows.

China is conducting a vast undersea mapping and monitoring operation across the Pacific, Indian and Arctic oceans, building detailed knowledge of marine conditions that naval experts say would be crucial for waging submarine warfare against the United States and its allies.In one example, the Dong Fang Hong 3, a research vessel operated by Ocean University of China, spent 2024 and 2025 sailing back and forth in the seas near Taiwan and the U.S. stronghold of Guam, and around strategic stretches of the Indian Ocean, ship-tracking data reviewed by Reuters shows.

Kongsberg Discovery has launched two new variants of its EM2042 multibeam echosounder, extending high-resolution seabed mapping capabilities to deep-rated subsea vehicles and naval operations.The new EM2042 DR600 and EM2042 BNS build on the existing EM2042 platform and its next-generation acoustic architecture, targeting deepwater unmanned platforms and defense environments, respectively.The EM2042 DR600 is engineered for underwater vehicles including autonomous underwater vehicles (AUVs), remotely operated vehicles (ROVs), remotely operated towed vehicles (ROTVs) and submarines.

Cellula Robotics USA Inc. has announced its role in delivering a long-endurance Autonomous Underwater Vehicle (AUV) under a contract awarded by the Defence Innovation Unit (DIU) as part of the Combat Autonomous Maritime Platform (CAMP) initiative. Under the contract led by Metron Inc., Cellula Robotics USA Inc. will be responsible for delivery of a commercial off-the-shelf, fuel cell-powered Guardian AUV. The vehicle is designed for long endurance missions, with the ability to…

Fincantieri said its subsidiary WASS Submarine Systems has secured a contract worth more than $237 million euros to supply MU90 lightweight torpedoes to the Royal Saudi Naval Force.The agreement, awarded by Saudi Arabia’s Ministry of Defense, represents the largest contract in WASS’s 150-year history and includes the supply of torpedoes and associated logistics support services.Deliveries are scheduled between 2029 and 2030 and will be managed from WASS’s facility in Livorno, Italy.The MU90 torpedo…

RS Aqua announced a new strategic partnership with Seasats, a San Diego-based unmanned surface vehicle (USV) developer, to introduce their range of security platforms to the United Kingdom (UK) and Ireland defense market.Seasats is known for its high endurance, modular, and user-friendly USVs designed to deliver maritime domain awareness through autonomous operations. Through this partnership, RS Aqua will represent and support the Seasats product portfolio across the UK and Ireland.Seasats’ inaugural model, the Lightfish, is a modular USV engineered for long duration autonomous missions.

Ultra Maritime has secured a USD$54.6 million (£40 million) contract from the UK Ministry of Defense (MoD) to deliver sonobuoys for the Royal Navy’s Merlin Maritime Patrol Helicopter—significantly strengthening the UK’s undersea surveillance and deterrence posture at a time when British waters are under increasing threat from foreign actors. Sonobuoys are the frontline sensors of the UK’s anti-submarine warfare (ASW) network, and give the Royal Navy the ability to detect, track and deter hostile submarines and other underwater vessels.Based at RNAS Culdrose in Cornwall…