Castelion
 | An editor has determined that sufficient sources exist to establish the subject's notability. (October 2026) |
Castelion is a defense manufacturing company in El Segundo, California, formed in 2025, by eight senior SpaceX Starshield leaders, to develop mass-produced hypersonic weapons, potentially for use as space-based interceptors.
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* denotes unflown vehicles or engines, and future missions or sites. † denotes failed missions, destroyed vehicles, and abandoned sites.
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