Castelion raises $1bn Series C for hypersonic defence

<p>Castelion, the Californian-based defense technology company lead by former SpaceX executives, has raised $1 billion of investment in a Series C fundraise. It values the startup at $13 billion. Castelion [&#8230;]</p> <p>The post <a href="https://www.electronicsweekly.com/news/business/finance/castelion-raises-1bn-series-c-for-hypersonic-defence-2026-08/">Castelion raises $1bn Series C for hypersonic defence</a> appeared first on <a href="https://www.electronicsweekly.com">Electronics Weekly</a>.</p>