TechCrunch Follow Castelion hits $13B valuation to mass-produce hypersonic missiles Founded in 2022, Castelion set out to manufacture hypersonic weapon systems at a lower cost and at faster speeds than traditional defense primes. https://techcrunch.com/2026/08/20/castelion-hits-13b-valuation-to-mass-produce-hypersonic-missiles/ techcrunch.com
