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grant DARPA-PA-25-07-03

CASTOR: Oxygen-Resistant Cathodes for Air-Breathing VLEO Electric Propulsion

DARPA DSO invites proposals to develop efficient, high-performance, long-lived oxygen-compatible cathodes for air-breathing very low Earth orbit (VLEO) electric propulsion systems. Awards will be made as Other Transaction (OT) prototype projects covering a Phase 1 feasibility study and a Phase 2 proof-of-concept, with combined funding (including any cost share) limited to $900,000. This solici…

Notice ID: DARPA-PA-25-07-03

Cathode Advancements in Science and Technology for Oxygen Resistance (CASTOR)

I. Opportunity Description

The Defense Advanced Research Projects Agency (DARPA) Defense Sciences Office (DSO) is iss…

Funding Source

Agency: U.S. Department of War

Dates

Application Deadline: April 27, 2026

Supporting links

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