Helsing to Manufacture SG-1 Fathom Underwater Glider at UK Resilience Factory

Establishing a Maritime Centre of Excellence in the UK

Introduction of the SG-1 Fathom

Germany-based defense firm Helsing has announced the establishment of its inaugural UK facility, termed the Resilience Factory, situated in Plymouth. This development was documented in a corporate press statement released on November 19, 2025. The facility will focus on the production and maintenance of the SG-1 Fathom underwater gliders, which are pivotal in modern maritime operations.

Facility Objectives and Research Focus

The Plymouth site will serve as Helsing’s Maritime Centre of Excellence. Its primary objectives include:

• Production and Maintenance: To manufacture and sustain the SG-1 Fathom systems.
• Research and Development (R&D): To innovate and enhance technological capabilities in underwater operations.

Integration of Advanced Command-and-Control Technology

A significant aspect of the Resilience Factory’s operations will be the integration of the SG-1 Fathom systems with Helsing’s proprietary software command-and-control platform, Lura. Key features of the Lura system include:

• Large Acoustic Model (LAM): Designed to interpret various acoustic signatures produced by vessels and submarines.
• Rapid Differentiation: Lura can distinguish between specific vessels within identical classes, providing an efficiency increase of up to 40 times faster than human operators.
• Continuous Learning: The software is consistently updated with new data to refine its analytical capabilities.

This integration underscores the emphasis on precision and enhanced situational awareness in maritime operations.

Testing and Development Milestones

Helsing has initiated the production phase of its systems, conducting trials at the British Underwater Test and Evaluation Centre (BUTEC) located in Scotland. Further test operations are planned:

• Third Quarter of 2025: Planned sea trials of the SG-1 in various locations including the Western Approaches and Western Australia.

The SG-1 Fathom is characterized as an autonomous underwater glider that leverages dual-use technology, which can be deployed for subsurface surveillance tasks. This capability allows for the potential deployment of numerous units to monitor extensive underwater regions effectively.

Potential Military Applications

Previously reported developments indicate that Helsing has adapted the SG-1 Fathom with integrated Lura software specifically for anti-submarine warfare (ASW) operations. This adaptation positions the glider as a strategic asset in maritime defense.

Strategic Investment in the UK

The announcement of the Resilience Factory aligns with Helsing’s broader commitment of GBP 350 million (approximately USD 458 million) to the UK, established under the 2024 Trinity House Agreement. This investment reflects a significant endeavor to bolster national defense capabilities and enhance technological partnerships within the region.

Emphasizing the evolving landscape of underwater warfare and surveillance, Helsing’s initiatives at the Resilience Factory are set to play a crucial role in advancing maritime defense strategies. As the industry evolves, the integration of sophisticated software with autonomous systems will be integral to ensuring technological superiority in undersea operations.