Castelion Secures $350M Series B Funding for Hypersonics
Defense technology leader Castelion officially announced it has secured a monumental $350 million in Castelion Series B funding. The massive capital infusion will fuel the development of its flagship hypersonic weapon, Blackbeard, and significantly ramp up domestic manufacturing capabilities. Led by key investors Altimeter Capital and Lightspeed Venture Partners, this investment round accelerates the company’s…




