Active Solicitation · DEPT OF DEFENSE

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

    Sol. DARPA-PA-25-07-03SolicitationARLINGTON, VA
    Open · 4d remaining
    DAYS TO CLOSE
    4
    closes Apr 27, 2026
    POSTED
    Apr 9, 2026
    Publication date
    NAICS CODE
    541715
    Primary industry classification
    PSC CODE
    AC12
    Product & service classification

    AI Summary

    The Defense Advanced Research Projects Agency (DARPA) is seeking innovative research proposals for high-performance, oxygen-compatible cathodes for electric propulsion systems in very low earth orbit. The total award for the project is capped at $900,000, covering both feasibility studies and proof of concept phases. Interested parties can find more details in the DARPA Program Announcement on SAM.gov.

    Contract details

    Solicitation No.
    DARPA-PA-25-07-03
    Notice Type
    Solicitation
    Posted Date
    April 9, 2026
    Response Deadline
    April 27, 2026
    NAICS Code
    541715AI guide
    PSC / Class Code
    AC12
    Contract Code
    97AE
    Primary Contact
    BAA Coordinator
    State
    VA
    ZIP Code
    222032114
    AI Product/Service
    service

    Description

    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.gov under solicitation number DARPA-PA-25-07: https://sam.gov/opp/bae5fa32f4ee4cdb9a070a14309b2c66/view.

    Key dates

    1. April 9, 2026Posted Date
    2. April 27, 2026Proposals / Responses Due

    AI search tags

    Frequently asked questions

    Cathode Advancements in Science and Technology for Oxygen Resistance (CASTOR) is a federal acquisition solicitation issued by DEPT OF DEFENSE. Review the full description, attachments, and submission requirements on SamSearch before the response deadline.

    SamSearch Platform

    Stop searching. Start winning.

    AI-powered intelligence for the right opportunities, the right leads, and the right time.