# Ultra Maritime | Undersea Warfare Solutions

> We make the dark oceans transparent.
> Last updated: 2026-08-17

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## Recent Content

- [Ultra Maritime Demonstrates Future Autonomous Counter-UUV and Anti-Submarine Warfare Detection](https://umaritime.com/ultra-maritime-demonstrates-future-autonomous-counter-uuv-and-anti-submarine-warfare-detection/): BRAINTREE, Massachusetts – Ultra Maritime has successfully demonstrated a new integrated active-passive sonar solution capable of providing persistent surveillance across contested maritime environments. During the U.S. Navy’s 2026 Lanternfish exercise, the company combined its Sea Spear deployable passive sonar with its newly developed SSQ-125B active sonobuoy to passively detect and actively localize unmanned underwater vehicles […]
- [Ultra Maritime Successfully Demonstrates Counter-Unmanned Undersea Vehicle Capability at U.S. Navy Lanternfish 2026 Exercise](https://umaritime.com/ultra-maritime-successfully-demonstrates-counter-unmanned-undersea-vehicle-capability-at-u-s-navy-lanternfish-2026-exercise/): KEYPORT, Washington – In a major technological advancement for the protection of ports and critical infrastructure worldwide, Ultra Maritime successfully demonstrated a groundbreaking capability to detect and classify advanced unmanned underwater vehicles (UUVs) during the U.S. Navy’s 2026 Lanternfish exercise. The demonstration showcased the company’s Sea Spear deployable sonar solution operating in a realistic port […]
- [Cobham Ultra, an Advent Portfolio Company, Agrees to Sell Ultra Maritime, a Technology-led Undersea Warfare Solutions Provider, to Lockheed Martin](https://umaritime.com/cobham-ultra-an-advent-portfolio-company-agrees-to-sell-ultra-maritime-a-technology-led-undersea-warfare-solutions-provider-to-lockheed-martin/): BOSTON, Massachusetts; LONDON, UK  – Cobham Ultra, a portfolio company of Advent, a leading global private equity investor, today announced that it has agreed to sell Ultra Maritime, a worldwide leader in next-generation undersea warfare solutions, to Lockheed Martin, for USD $3.45 billion. Since acquiring Ultra Maritime in 2022, Advent has partnered closely with the […]
- [Ultra Maritime Successfully Completes First Deployment of Next Generation Multistatic Active Receive Sonobuoy in the UK](https://umaritime.com/ultra-maritime-successfully-completes-first-deployment-of-next-generation-multistatic-active-receive-sonobuoy-in-the-uk/): LONDON, UK – Ultra Maritime has successfully completed the first in-water deployment trial of its next-generation Multistatic Active Receive Sonobuoy (MSARS) in Scotland, marking a significant milestone in advancing anti-submarine warfare (ASW) capabilities in the UK. Amid increasing Russian submarine activity in the North Atlantic, enhanced detection and localization of threat submarines and unmanned underwater […]
- [Ultra Maritime Deepens Commitment to Royal Canadian Navy with River Class Lifecycle Support](https://umaritime.com/ultra-maritime-deepens-commitment-to-royal-canadian-navy-with-river-class-lifecycle-support/): DARTMOUTH, Nova Scotia – Ultra Maritime has reinforced the company’s long-term commitment to the Royal Canadian Navy with their announcement of multiple River-class Destroyer contracts awarded to them by Lockheed Martin Canada to support the lifecycle of the newest fleet of surface combatants. Ultra Maritime’s scope will play a critical role in ensuring system readiness […]


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