Hypersonic Startup Castelion Closes $1B Series C at $13B Valuation

Castelion, founded in 2022 by former SpaceX executives, closed a $1 billion Series C at a $13 billion valuation, co-led by Andreessen Horowitz, Carlyle, and JP Morgan Chase. The Torrance-based company manufactures hypersonic weapon systems and has secured over $500 million in U.S. military contracts. The capital will accelerate scaled production of its Blackbeard missile at its New Mexico facility.