Hypersonic Missile Startup Castelion Raises $1 Billion

Castelion, a defense technology startup founded by former SpaceX executives, has secured $1 billion in Series C funding. The company intends to utilize this capital to scale the production of its Blackbeard hypersonic missile. Beyond this specific project, Castelion aims to develop a broader portfolio of low-cost hypersonic weapons, as well as advanced missile defense and longer-range strike systems, focusing on reducing costs while enhancing capabilities within the hypersonic weapons sector.