Jeff thornburg News
Latest conceptually matching events and reports for Jeff thornburg.
Technology
Portal Space Systems Secures $50 Million to Revolutionize In-Orbit Propulsion.
April 9, 2026 at 1:18 PM
Former SpaceX engine lead Jeff Thornburg has raised $50 million for his startup, Portal Space Systems, which aims to commercialize solar thermal propulsion to improve satellite maneuverability and defense capabilities.
