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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.
These describe the reviewed application scope, not confirmed deployments, released requirements or procurement eligibility.
Manufacturer-reported Lanternfish 2026 demonstration; no operational acceptance is established.
A technology readiness level is not established by the reviewed public sources.
Commercial availability is not established by the reviewed public sources.
No reviewed Mission area or released Defence need connection is currently published.
These records support this capability and its published Mission area and Defence need connections. A source count is not a count of independent confirmations.
Ultra Maritime · Aug 13, 2026
Source type: official company news
Supports: Capability · core features
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · technology readiness level
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · name
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · core features
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · technical tags
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · technical tags
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · capability type
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · technicaldomainslugs
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · slug
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · summary
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · commercial availability
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · defence applications
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · maturity
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Supports: Capability · defence applications
Ultra Maritime reported on August 13, 2026 that Sea Spear deployable passive sonar and its SSQ-125B active sonobuoy were demonstrated together during U.S. Navy Lanternfish 2026 to detect and localize unmanned underwater vehicles. This is a manufacturer-reported exercise demonstration; the page does not establish a Canadian procurement, sole Canadian manufacture, contract value or operational acceptance.
Public sources cited · Facts and assessments kept separate · Human review
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