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Portal Space Systems Secures $17.5M for Revolutionary Satellite

4/3/2025

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Summary

Story summary

Jeff Thornburg, former VP of SpaceX, revealed that Portal Space Systems has successfully secured $17.5 million in seed funding. This investment will fuel the creation of the innovative Supernova satellite system, which harnesses solar thermal propulsion to replicate nuclear propulsion without the need for a reactor. The inaugural demonstration mission is set for mid-2026, aiming to serve both defense and commercial sectors.

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Story summary

Jeff Thornburg, former VP of SpaceX, revealed that Portal Space Systems has successfully secured $17.5 million in seed funding. This investment will fuel the creation of the innovative Supernova satellite system, which harnesses solar thermal propulsion to replicate nuclear propulsion without the need for a reactor. The inaugural demonstration mission is set for mid-2026, aiming to serve both defense and commercial sectors.