Portal Space Systems
Portal Space Systems Raises $50M Series A, Hits $250M Valuation
Portal Space Systems has raised a $50 million Series A round, valuing the company at $250 million. The startup is developing maneuverable spacecraft designed to operate more dynamically in orbit,…
3DPOD 284: Portal Space CEO Jeff Thornburg on Leveraging AM to Orbit
Jeff Thornburg has a wealth of experience, starting in the Air Force, Aerojet, NASA, SpaceX, and more. His experience in additive and space has now led him to start Portal…
From SpaceX to Portal: Jeff Thornburg on 3D Printing’s Space Edge, Part II
Jeff Thornburg has worn many titles: SpaceX propulsion chief, Amazon Kuiper executive, and now CEO of Portal Space Systems. In the first part of this series, he explained how falling…
Raiders of the Lost Parts: Jeff Thornburg’s Playbook for Space, Part I
Jeff Thornburg knows what it’s like to get the phone call. In 2011, Elon Musk rang him at home and asked him to come to Hawthorne, California, to help build…
Portal Becomes First to Test 3D Printed Solar Thermal Thruster for Multi-Orbit Spacecraft
In the race to build the future of spaceflight, first milestones have big meaning. For Portal Space Systems, a young spacecraft company based in Washington, that milestone arrived this September…





























