<ul><li>Vatn Systems founders, Nelson and Freddie Mills, who grew up on a sailboat, have founded a startup producing autonomous underwater vehicles primarily for defense uses.</li><li>Vatn Systems recently announced a $13 million seed round led by DYNE Ventures, bringing their total funding to $16.5 million.</li><li>The company's vehicles can swim within the top 300 meters of water, carry weapons, and pass messages between ships in areas where signals are blocked.</li><li>Vatn plans to capitalize on the government's interest in underwater swarming technology and aims to make its vehicles more affordable and easier to mass-produce than competitors.</li></ul>

How two brothers went from growing up on a sailboat to making underwater military vehicles

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