Castelion builds American hypersonic deterrence through rapid, affordable, and scalable production of advanced strike weapons. Blackbeard is the first U.S. hypersonic system engineered from inception for industrial-rate output, commercial unit cost, and continuous flight test iteration.

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Funding Events

Date	Amount	Type	Investors	Valuation
12/05/25	$350,000,000	Series B	Altimeter Capital Andreessen Horowitz Avenir Growth Capital BlueYard Capital Cantos Ventures Champion Hill Ventures First In General Catalyst Partners Interlagos Lavrock Ventures Lightspeed Venture Partners Space.VC	undisclosed
08/20/26	$1,000,000,000	Series C	Altimeter Capital Andreessen Horowitz Carlyle Group General Catalyst Interlagos J.P. Morgan Lavrock Ventures Lightspeed Venture Partners Resiliency Initiative T. Rowe Price Associates	$13,000,000,000