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F/A-18E/F Super Hornet

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Castelion Blackbeard hypersonic missile development

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Latest: Castelion to integrate Blackbeard hypersonic missile with F-16

Defense startup Castelion has moved toward scaling the production and testing of its Blackbeard hypersonic strike missile. In August 2026, the company secured $1.05 billion in Series C financing to expand its manufacturi