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Seasats Unmanned Vehicle Completes Trans-Pacific Voyage

Thursday, July 31st, 2025

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Seasats Unmanned Vehicle Completes Trans-Pacific Voyage

A Seasats 10-foot Lightfish autonomous surface vehicle (ASV). (Photo: Seasats)

Seasats on Wednesday announced one of its Lightfish autonomous surface vessels (ASVs) reached Japan in a trans-pacific voyage from San Diego after launching in January. When first launched, the company underscored this would be an unsupported autonomous mission as its second long-distance voyage. It previously underwent a 2,500 mile journey from San Diego to Pearl Harbor, Hawaii over 10 weeks (Defense Daily, Jan. 23). The 12-foot 350-pound Lightfish was designed to be unmanned, not a converted manned vessel, so it…

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