Commercial Space News

SpaceNews.comSandra Erwin

Rhea Space Activity raises $6M Series A for GPS-free spacecraft navigation software

Rhea Space Activity, a Washington, D.C. startup, raised $6 million in a Series A round to develop navigation software that can operate without GPS. The funding is intended to advance GPS-denied spacecraft positioning and guidance, shifting onboard navigation closer to software-defined resilience.

2026-04-19T04:04:27.650723-07:00

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2026-04-19T04:04:27.650723-07:00
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