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Castelion · Series C

Mass-producing affordable hypersonic weapons for defense

Amount

$800M

Round

Series C

Valuation

$13B

Announced

Aug 2026

Notes

auto-discovered via firecrawl

📎 Source

Other Castelion rounds

Date Round Amount
Dec 2025 Series B $350M Details →
Jan 2025 Series A $70M Details →