Recent News

Representatives of the University of Oklahoma signed a memorandum of understanding at the Oklahoma Aerospace Forum on Tuesday with California-based Phase Four, Inc. to advance collaborative research involving space propulsion technologies.

Former NASA administrator Jim Bridenstine is making his first investment in a space company, backing the satellite propulsion company Phase Four’s latest fundraising round.

Phase Four, a leading provider of next-generation electric propulsion (EP) solutions for satellites, announced the planned commercialization of their monopropellant multimode capability.

Based on the NASA-designed and tested H71M Hall Effect Thruster, the two companies will manufacture a family of propulsion systems spanning a range of input power and propellants.

Phase Four, a leading provider of next generation electric propulsion (EP) solutions for satellites, proudly announces its distinguished Board of Advisors. Comprised of esteemed former government space leaders and industry visionaries, the Board will play a pivotal role in informing Phase Four’s strategic direction and advancing its mission of revolutionizing in-space propulsion technology.

Phase Four, a leading provider of next generation electric propulsion (EP) solutions for satellites, was awarded a $14.9M contract by the Defense Advanced Research Projects Agency (DARPA) to deliver an “air-breathing” EP system to enable extended satellite operations in Very Low Earth Orbit (VLEO), at altitudes as low as 90-450km.

Leonid Capital Partners, a leading investment firm focused on high-growth technology companies working in the National Security industry, today announced a new $6.25MM financing for Phase Four, a revolutionary aerospace company developing advanced propulsion systems for the next generation of space vehicles.

The Space Rapid Capabilities Office co-sponsored this year’s Hyperspace Challenge to get more insight into commercial technologies that could enable dynamic space operations, such as satellite propulsion.

Propulsion company Phase Four received a funding increase from the Air Force Research Laboratory and its innovation arm AFWERX.

Former NASA administrator Jim Bridenstine told Breaking Defense that Phase Four has the potential to “disrupt the in-space propulsion market,” and its technology “is important for the country.”