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Apr 8, 2026 12:09 PM

Hermeus has moved a step closer to fielding what it describes as the “fastest unmanned aircraft flying today,” raising $350 million to advance development.

Hermeus has moved a step closer to fielding what it describes as the “fastest unmanned aircraft flying today,” raising $350 million to advance its development and scale flight testing efforts.

Now with a total valuation of $1 billion backed by its partners, the California-based firm is scaling its program to a fleet of three F-16-sized aircraft, enabling simultaneous data collection across multiple test platforms rather than relying on a single prototype.

Its current testbed, Quarterhorse Mk 2.1, has completed its first successful flight, with supersonic speeds now said to be within reach for the program.

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