NASA’s Carbothermal Reduction Demonstration (CaRD) project, TechPort project 147004, is marked as a completed technology project with an update dated 2026-07-17. The effort ran from 2020-10-01 to 2025-09-30 and was managed under NASA’s Exploration Destination Systems / In Situ Resource Use portfolio. NASA states the project developed a prototype system to extract oxygen from lunar regolith using concentrated solar energy and a carbothermal reaction, and that the project is now closed out.
The technical significance is high: CaRD moved beyond concept and into integrated prototype testing, combining a solar concentrator, carbothermal reactor, and gas analysis / avionics systems to demonstrate oxygen-related chemistry on lunar regolith simulant. NASA also reports a 2025 thermal-vacuum reactor demonstration and 2026 integrated prototype testing, indicating the process was validated in environments relevant to the lunar surface. For lunar habitation, this matters because oxygen is the highest-mass consumable for breathing and propellant; local production reduces logistics burden, increases mission endurance, and improves resilience after supply-chain disruption.
Ark action: track whether NASA or partners publish quantified output metrics, energy efficiency, reactor throughput, and long-duration durability data from CaRD; these numbers determine whether the process is deployable at habitat scale. Prioritize integration studies with power systems, ISRU excavation and feedstock handling, oxygen storage, and propellant processing so the Ark can compare CaRD against other oxygen-from-regolith pathways. Also monitor whether the technology matures from prototype to lunar surface demonstration, because that transition would mark a major step toward self-sustaining lunar industry.