Uncrewed vessel · Undersea
SG-1 Fathom
Helsing mass-producible underwater glider for sensor constellations.
by Helsing · Unveiled May 13, 2025
- Milestones1
- Sources2
- Operators—
- Components—

Photo: Helsing · Editorial use (company media kit) · Unaltered publisher-served JPEG, with Helsing credit. No crop, reencoding, or retouching.
Mass-producible underwater glider powered by Helsing's Lura software, intended to form large surveillance constellations of sensors beneath the sea.
Timeline1
- UnveiledReported
SG-1 Fathom unveiled
Helsing unveiled Lura and SG-1 Fathom together.
SourcesNaval News
Solid entries are confirmed, outlined reported, dashed estimated or still to come; dotted italic entries are speculative. Dates show only the precision the sources give.
Sources2
- 1.
Naval News · May 13, 2025 · Supports: System, System milestone
“Helsing, the leading European defence technology company, today unveils Lura and SG-1 Fathom to digitalise and defend the oceans.”
- 2.CompanySG-1 + Lura – Helsing
Helsing · Supports: System
“Mass manufacturable, hundreds of SG-1s can be deployed at scale to monitor vast underwater areas.”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.