Changing the Way We Move in Space

Changing the Way We Move in Space

ABOUT PHASE FOUR

Phase Four is a disruptive provider of next generation electric propulsion (EP) solutions for satellites. Phase Four’s RF Thruster represents a revolutionary new architecture that realizes lower cost, mass-manufacturability, miniaturized power electronics, and propellant agnosticism over incumbent technologies, without compromising performance. In 2021 Phase Four’s Maxwell turn-key propulsion system achieved flight heritage and is now being regularly utilized by satellite operators.

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Phase Four Partners with Redwire to Expand Space Propulsion Offerings and Deliver Hall Effect Thrusters

Redwire and Phase Four will design and develop a reliable and efficient Hall Effect Thruster (HET), called the Valkyrie Thruster, based on an existing design. The highly flexible and streamlined design will yield a shorter production schedule enabling reliable, high-volume production.

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PRODUCTS

Valkyrie Thruster

Valkyrie is a next generation Hall Effect Thruster designed to deliver a high performance solution to proliferated satellite constellations. Developed in partnership with Phase Four, the Valkyrie thruster is anticipated to go into full-rate production in 2025.

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Maxwell

Maxwell is a high performance turn-key plasma propulsion system that leverages miniaturized RF electronics and our electrodeless thruster in a compact form factor.

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Maxwell Systems Delivered

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Maxwell Systems launched into low Earth orbit

WE'VE MOVED

Phase Four is moving into a new facility located at: 12605 S Van Ness Ave, Hawthorne CA

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RECENT NEWS

Read more about us and updates in the news.

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University of Oklahoma Partners with Space Technology Company Phase Four

November 14, 2024

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.
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Bridenstine Kicks Off Phase Four Investment Round

November 11, 2024

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.
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Phase Four Announces Monopropellant Multi-Mode Propulsion Systems

October 22, 2024

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

We'd love to learn more from you. Please use the contact form to the right to get in touch with us, or a specific team, and we will get back to you as soon as we can!