Castelion, Hypersonic Missile Startup, Eyes $12B Valuation with Navy Contracts
Castelion, founded by SpaceX alumni, is targeting a $12 billion valuation, bolstered by U.S. Navy contracts and a New Mexico manufacturing campus. The startup illustrates the growing investor confidence in defense technology, particularly in hypersonic missile development.

Castelion aims for a $12 billion valuation, supported by contracts with the U.S. Navy and plans for a 1,000-acre manufacturing facility in New Mexico. Established in 2022 by former SpaceX engineers, the company has raised over $553 million across six funding rounds and focuses on hypersonic and long-range strike weapon production.
Its flagship product, the Blackbeard Hypersonic Strike Weapon, has been contracted for integration with various military platforms. The defense-tech sector saw nearly $50 billion invested in 2025, indicating a robust interest in military innovation. The sustainability of Castelion's valuation hinges on ongoing government contracts and effective scaling of production.




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