Castelion raises $1B Series C

Castelion@CastelionAug 19, 2026

Castelion is proud to announce our $1 billion Series C. We’re growing fast and our mission hasn't changed: build the weapons required to deter the next major war, affordably, rapidly, and at massive scale. This funding accelerates Blackbeard production, develops a longer-range https://t.co/IcIviQmzTc

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Launched Aug 19, 2026View post

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