We Are Ultra Maritime
We are the world’s premier provider of undersea warfare systems, products and solutions, delivering advanced technologies that create maritime warfighting advantages for ‘five-eyes’ and allied defense customers across surface, sub-surface and unmanned platforms. Ultra Maritime are the undersea warfare experts that you can rely on from quality, to delivery, to capability.
U.S. Navy photo by Mass Communication Specialist 2nd Class Michael H. Lee/ReleasedUltra Maritime Awarded Subcontract for MK 48 MOD 7 Guidance and Control Heavyweight Torpedo Program
Ultra Maritime received a contract to provide the Acoustic Nose Array (ANA) for the MK48 MOD 7 Guidance and Control section of the heavyweight torpedo.
Ultra Maritime Passes Preliminary Design Review for Next Generation Multistatic Active Receive Sonobuoy
Ultra Maritime has successfully completed the Preliminary Design Review for the Multistatic Active Receive Sonobuoy (MSARS) as part of a UK Defence Science and Technology Laboratory (Dstl) funded research and development program. MSARS is a next generation small form factor G-Size sonobuoy which will significantly improve the multistatic detection and localization performance compared to current multistatic sonobuoy technologies.
Ultra Maritime Highlights Airborne Capabilities at the Avalon Australian International Airshow
The Avalon Australian International Airshow will provide the perfect backdrop for Ultra Maritime to showcase emerging and existing airborne Anti-Submarine Warfare (ASW) and Electronic Warfare capabilities. Stop by the South Australia Defence Stand in Hall 3 at booth 3M25 to learn more.
Ultra Maritime Awarded CA$89 Million Contract for Surface Ship Torpedo Defense for the River-Class Destroyer Program
Ultra Maritime received a CA$89 million contract from Lockheed Martin Canada, Inc. to supply three shipsets of Surface Ship Torpedo Defense (SSTD) for the River-class destroyer (RCD) program.
Ultra Maritime Australia to Provide World Leading Sonar on Hunter Class Frigates
The Royal Australian Navy’s Hunter class frigates will be fitted with Ultra Maritime’s world-leading 2150 Bow Sonar under a contract with BAE Systems Maritime Australia (BAESMA).
Ultra Maritime Collaborates with University of Liverpool to Develop Artificial Intelligence for Passive Sonar
Ultra Maritime is pleased to announce a collaboration with the Engineering and Physical Sciences Research Council (EPSRC) Centre for Doctoral Training (CDT) in Distributed Algorithms at the University of Liverpool, a UK Research and Innovation funded programme. The research focuses on using machine learning to improve the tracking and detection of vessels using passive sonar, targeted at Anti-Submarine Warfare (ASW) and Torpedo Defence applications.
Ultra Maritime Receives £18 Million Contract for Sonobuoys from the UK Ministry of Defence
Ultra Maritime announces an £18 million contract from the UK Ministry of Defence (MoD) to supply sonobuoys to the Royal Navy’s Merlin Maritime Patrol Helicopter.
Ultra Maritime Signs Contract for Co-Production of U.S. Sonobuoys in India
The contract between Ultra Maritime and Bharat Dynamics Limited (BDL) signifies a concrete step forward in the co-production of U.S. sonobuoys in India, an initiative first announced by the White House in January of this year. Ultra Maritime and BDL have signed a Production Planning contract which will kick start the transfer of technology from the U.S. to India of U.S.-specification sonobuoys for use on India’s Maritime Patrol Aircraft, the P-8I, MH-60R and MQ-9B Sea Guardian platforms.
Ultra Maritime Highlights Next Generation Naval Warfare Capabilities at AFCEA WEST 2025
Ultra Maritime is showcasing a wide range of emerging and existing acoustic, anti-submarine warfare (ASW), unmanned maritime and radar capabilities at this week’s AFCEA WEST conference in San Diego, California. Innovation leadership and engineers from our U.S., UK and Canadian teams will be present for detailed discussions, presentations and hands-on examples of our game-changing capabilities.