Castelion’s $350 Million Raise Accelerates Cost-Efficient Hypersonic Weapons Buildout
Hypersonic weapons developer Castelion has secured $350 million in Series B funding, strengthening U.S. efforts to produce cost-efficient hypersonic systems at industrial scale as geopolitical competition with China and Russia intensifies. The round was led by Altimeter Capital and Lightspeed Venture Partners, with additional participation from Lavrock Ventures, Andreessen Horowitz, General Catalyst, First In, Space…