importantSYS.SOURCE: TechCrunch• 2026-08-20T19:01:41Z

Castelion Achieves $13 Billion Valuation in Series C Funding to Scale Hypersonic Missile Production

#defense tech #startups #fundraising #missiles

Castelion, a defense startup founded by former SpaceX executives, secured $1B in Series C funding at a $13B valuation to scale hypersonic missile production. The company aims to address U.S. military needs by accelerating manufacturing of Mach 5+ weapons amid strategic competition with China.

Founded in 2022, Castelion set out to manufacture hypersonic weapon systems at a lower cost and at faster speeds than traditional defense primes.

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