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

Def Advanced Research Projects Agcy · United States government procurement

Closed April 09, 2026. GlobalGov surfaces government procurement from around the world, including the markets your competitors overlook.

Closed
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Opportunity Overview

The Defense Advanced Research Projects Agency (DARPA) Defense Sciences Office (DSO) is issuing a Disruption Opportunity (DO), inviting submissions of innovative basic or applied research for efficient, high-performance, long-lived oxygen-compatible cathodes for use in air-breathing very low earth orbit (VLEO) electric propulsion (EP) systems. This DO is issued under the Program Announcement for Disruptioneering, DARPA-PA-25-07. All awards will be made in the form of an Other Transaction (OT) for Prototype project. The total award value for the combined Phase 1 base (Feasibility Study) and Phase 2 option (Proof of Concept) is limited to $900,000 (see Section I.C for information more information on phase structure). This total award value includes Government funding and performer cost share if required or proposed.To view the DARPA Program Announcement (PA) for Disruptioneering, visit SAM.govunder solicitation number DARPA-PA-25-07:https://sam.gov/opp/bae5fa32f4ee4cdb9a070a14309b2c66/view.

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Solicitation Details

Issuing agencyDef Advanced Research Projects Agcy
CountryUnited States
CategoryScientific Research
NAICS541715
PSCAC12
PublishedApril 09, 2026
Procurement stageRequest for Proposal (RFP)
ClosedApril 09, 2026
StatusClosed — no longer accepting responses
Official sourceView original notice
Last verifiedAugust 27, 2026

Source: U.S. Government (SAM.gov) — public domain. GlobalGov is not affiliated with or endorsed by the United States Government.

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