https://www.live-feeds.com/feed/exclusive-carlyle-joins-1-billion-investment-round-in-missile-startup-castelionContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/exclusive-carlyle-joins-1-billion-investment-round-in-missile-startup-castelionhttps://www.live-feeds.com/feed/exclusive-carlyle-joins-1-billion-investment-round-in-missile-startup-castelion#u45787Fri, 21 Aug 2026 06:30:11 +0000Castelion, a hypersonic missile startup, has raised $1 billion in a Series C funding round. Carlyle is among the investors in this round, which aims to scale the production of Castelion's low-cost hypersonic weapons, including the Blackbeard missile. The funding will also help expand U.S. weapons capacity. Castelion's CEO plans to use the funds to increase production and enhance the company's strike portfolio.Why it mattersThe investment round is significant as it supports the development of hypersonic technology, a rapidly advancing area in the defense industry. Hypersonic miss