Quantum Space is developing Ranger and Scout spacecraft for multi-orbit operations, on-orbit refueling, and propellant transfer to satellites in GEO.
Quantum Space — co-founded by former acting NASA administrator Steve Jurczyk with Kam Ghaffarian IBX orbit — builds Ranger, a large maneuverable spacecraft platform for orbital mobility and space-defense missions, with a first flight targeted mid-2026 and explicit positioning toward cislunar operations and the Golden Dome-era defense market. It acquired electric-propulsion maker Phase Four (September 2025), bringing thrusters in-house, and announced in June 2026 it is going public via SPAC at a ~$1.2B valuation — capital and visibility well ahead of flight heritage. It is the most firepower-heavy pre-flight company in this batch.
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Quantum Space is developing Ranger and Scout spacecraft for multi-orbit operations, on-orbit refueling, and propellant transfer to satellites in GEO. Quantum Space — co-founded by former acting NASA administrator Steve Jurczyk with Kam Ghaffarian IBX orbit — builds Ranger, a large maneuverable spacecraft platform for orbital mobility and space-defense missions, with a first flight targeted mid-2026 and explicit positioning toward cislunar operations and the Golden Dome-era defense market. It acquired electric-propulsion maker Phase Four (Septem
Quantum Space ranks 89 of 100 on the Space 100 (November 2026 edition) with a score of 65 out of 100, in Servicing & tugs (Satellites & spacecraft). Assessment by Frontier Tech Intelligence.
Astroscale (rank 7), Impulse Space (rank 35), D-Orbit (rank 50), Starfish Space (rank 58).
Quantum Space is based in Rockville, Maryland, United States.
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