Quantum Systems

Seavex

In Trials

Long-endurance unmanned surface vehicle launched 14 September 2026 as Quantum's maritime mission hub. Carries surveillance and counter-drone radars plus EO sensors with onboard AI, launches and recovers UAVs, and docks, recharges and offloads UUVs. Integrated into MOSAIC UXS.

Latest update Sep 18, 2026

Seavex

01

Current status

Announced 14 September 2026 at a NATO exercise in Portugal; sea trials underway. Product page lists up to two months endurance and up to 400 kg payload.

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Specifications2

Endurance
Up to 2 months
Payload
Up to 400 kg

03

Upcoming milestones1

Announced next steps from Quantum Systems that mention Seavex.

  1. 2026-2027

    Turn Seavex and Subvex sea trials into fielded maritime products

    Both vehicles entered NATO-linked sea trials at announcement on 14 September 2026. Watch for a first navy customer, demonstrated UAV launch/recovery from Seavex, and whether the two-month surface endurance and 6,000-metre dive rating show up in independent trials rather than brochures.

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