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.
| 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 |
