Hypersonic weapons startup founded by former SpaceX executives
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Castelion raises $350 million Series B led by Lightspeed Venture Partners and Altimeter Capital
Castelion closed $100 million Series A in January with $70 million equity and $30 million debt
Castelion wins DoD grants and awards from Air Force Research Laboratory and Naval Air Systems Command
Castelion appears in U.S. Army fiscal year 2026 budget request with $25 million for Blackbeard Ground Launch development
Castelion wins grants and awards from DoD offices including Air Force Research Laboratory and Naval Air Systems Command
Castelion raises $350M Series B led by Lightspeed Venture Partners and Altimeter Capital
Castelion closed $100M Series A in January with $70M equity and $30M debt
Castelion appears in U.S. Army fiscal year 2026 budget request with $25M funding for Project HX3
Castelion raises $350M Series B to scale hypersonic missile business
Castelion raised $100M Series A in January
Castelion won grants and awards from multiple DoD offices
Castelion tested hypersonic vehicle in Mojave Desert in March
Castelion included in U.S. Army fiscal year 2026 budget with $25M allocated
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