CesiumAstro raises $730M at $4.5B+ valuation, unveils Synchronicity constellation after Element-1 success

CesiumAstro closed a $730M Series D led by Janus Henderson, valuing the firm above $4.5B, and announced its Synchronicity satellite constellation following the fully successful Element-1 mission. The funding signals strong investor appetite for space-based defense communications, though the valuation and constellation timeline remain unverified. This marks a significant capital infusion into the space defense sector, potentially accelerating competition in satellite communications.

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