Capability profile

Sea Spear deployable sonar

Sea Spear is Ultra Maritime's deployable passive-sonar system. The manufacturer reports demonstrating it with an SSQ-125B active sonobuoy during Lanternfish 2026 for underwater-vehicle detection and localization; product-level Canadian workshare and operational acceptance remain unconfirmed.

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Deployable passive-sonar system

What it enables

Core features

Deployable passive acoustic sensing
Reported integration with active sonobuoy sensing

Defence and security uses

Underwater-vehicle detection
Maritime infrastructure surveillance

What sets it apart

No source-supported differentiators are published yet.

Sea Spear deployable sonar

What it enables

Core features

Defence and security uses

What sets it apart

Evidence of maturity

What still needs verification

Continue from the capability to the wider record

Organizations

Mission and ecosystem paths

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What it enables

Core features

Defence and security uses

What sets it apart

Evidence of maturity

What still needs verification

Continue from the capability to the wider record

Organizations

Mission and ecosystem paths

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Take the reviewed record into the conversation ahead.