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Castelion Raises $1B Series C to Expand Missile Production

8/20/2026

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Summary

Story summary

Castelion secured more than $1 billion in Series C financing.
The round included $800 million equity and $250 million revolving credit.
Funding valued Castelion at $13 billion and will expand Blackbeard missile production in Sandoval County, New Mexico.
Pentagon signed a May framework for a two-year contract delivering at least 500 missiles annually, each costing about $384,000.

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Story summary

Castelion secured more than $1 billion in Series C financing.
The round included $800 million equity and $250 million revolving credit.
Funding valued Castelion at $13 billion and will expand Blackbeard missile production in Sandoval County, New Mexico.
Pentagon signed a May framework for a two-year contract delivering at least 500 missiles annually, each costing about $384,000.