Fundraising Fox

Rhea Space Activity

3 known investors

rheaspaceactivity.com ↗

Rhea Space Activity (RSA) is an astrophysics technology developer building systems for national security, including infrared satellites, directed energy, artificial intelligence, small satellites, and autonomous underwater vehicles. It serves governments and defense forces, with a focus on lunar and deep space applications for the U.S. and allied nations.

Deep TechDefense TechSpace Tech

Investors · 3

Iron PrairieLeawood · $250K – $650K
Seraphim SpaceLondon · $1.3M – $3.8M
SpaceFundreportedHouston

In the news

RSA Raises ~$6M Series A to Deploy GPS-Resilient Deep Space Software to U.S and Allied Military/Intel Customersnatlawreview.com · Aug 2026SpaceTech Weekly Recap – April 20–26, 2026cyclopspacetech.substack.com · Apr 2026Rhea Space Activity raises $6 million to develop GPS-free spacecraft navigation - SpaceNewsspacenews.com · Apr 2026Rhea Space Activity Raises ~$6M Series A to Deploy GPS-Resilient Deep Space Optical Navigation Software to U.S and Allied Military/Intelligence Customersrheaspaceactivity.com · Apr 2026SpaceFund Invests in Rhea Space Activityspacedaily.com · Nov 2021SpaceFund Invests in Rhea Space Activity for Autonomous Space Navigation Through Cislunar Space and GPS-Denied Environments - SpaceNewsspacenews.com · Nov 2021

Frequently asked questions

What does Rhea Space Activity do?
Rhea Space Activity (RSA) is an astrophysics technology developer building systems for national security, including infrared satellites, directed energy, artificial intelligence, small satellites, and autonomous underwater vehicles. It serves governments and defense forces, with a focus on lunar and deep space applications for the U.S. and allied nations.
Who are Rhea Space Activity's investors?
Rhea Space Activity's investors include Iron Prairie, Seraphim Space, SpaceFund.