Dark Fission Space Systems, INC.

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Their homepage, crawled JUL 29, 2026

At a glance

EmployeesNot reported

In business sinceNot reported

Industry

Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing

HeadquartersLeesburg, VA

SAM.gov UEIZD7VAGK9UBE7

Dark Fission manufactures the DARKFORCE nuclear thermal rocket engine, which uses a radial-inflow particle bed reactor architecture and expels heated hydrogen as propellant. The company serves space missions requiring cislunar logistics and rapid solar system access. The development is funded by the U.S. Space Force under a SpaceWERX Direct-to-Phase-II SBIR award.

Facility	City	State	Employees	Status
Dark Fission Space Systems, INC.	Leesburg	VA	—	● ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.