Phase Four

phasefour.io

Phase Four designs and manufactures advanced electric propulsion systems for spacecraft, focusing on next-generation electric propulsion solutions for satellites. Their mission is to revolutionize space movement by providing a reliable, mass-manufactured supply of electric propulsion, including propellant-agnostic systems. Since 2021, their propulsion systems have been utilized in multiple commercial missions, showcasing their traction and market position in the rapidly expanding space economy. The Valkyrie Thruster, developed in partnership with Redwire, is set for full-rate production in 2025, further solidifying their role in the satellite propulsion market.