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ThayerMahan acoustic sensors track full range of UUVs at Lanternfish 26

During Exercise Lanternfish 26, Groton-based ThayerMahan successfully deployed a layered acoustic surveillance network that detected, classified, and tracked every Uncrewed Underwater Vehicle involved. The exercise tested the company’s ability to monitor harbor environments, identifying threats ranging from small, low-cost systems to sophisticated XLUUV-class vessels in real-time.

ThayerMahan acoustic sensors track full range of UUVs at Lanternfish 26
Photo: Bio & News

The company utilized its fixed ShorePicket and mobile Outpost sensing systems to establish persistent underwater domain awareness. By integrating these sensors with TransparenSea software, operators exported detection data directly into Navy Common Operating Pictures. The deployment took less than 24 hours to become fully operational, functioning effectively despite the heavy maritime traffic of a crowded harbor environment.

John Russ, ThayerMahan’s Chief Operating Officer, noted that the exercise validates the company’s capability to provide decision-making advantages to commanders in complex littoral zones. According to Chris Glander, President of Operations, the system’s performance remained consistent even when commercial vessels idled directly over the sensor arrays. This demonstration highlights a shift in maritime security priorities, as the proliferation of affordable, sophisticated UUVs forces a reevaluation of how ports and critical infrastructure are protected against subsurface threats.

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