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

Agency: DEPT OF DEFENSE
State: Federal
Type of Government: Federal
FSC Category:
  • A - Research and development
NAICS Category:
  • 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Posted Date: Apr 9, 2026
Due Date: Apr 27, 2026
Solicitation No: DARPA-PA-25-07-03
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Contact information: Please Login to View Page
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Description

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Cathode Advancements in Science and Technology for Oxygen Resistance (CASTOR)
Active
Contract Opportunity
Notice ID
DARPA-PA-25-07-03
Related Notice
Department/Ind. Agency
DEPT OF DEFENSE
Sub-tier
DEFENSE ADVANCED RESEARCH PROJECTS AGENCY (DARPA)
Office
DEF ADVANCED RESEARCH PROJECTS AGCY
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General Information View Changes
  • Contract Opportunity Type: Solicitation (Updated)
  • Updated Published Date: Apr 09, 2026 02:07 pm EDT
  • Original Published Date: Mar 13, 2026 01:17 pm EDT
  • Updated Date Offers Due: Apr 27, 2026 04:00 pm EDT
  • Original Date Offers Due: Apr 27, 2026 04:00 pm EDT
  • Inactive Policy: Manual
  • Updated Inactive Date: May 27, 2026
  • Original Inactive Date: May 27, 2026
  • Initiative:
    • None
Classification
  • Original Set Aside:
  • Product Service Code: AC12 - NATIONAL DEFENSE R&D SERVICES; DEPARTMENT OF DEFENSE - MILITARY; APPLIED RESEARCH
  • NAICS Code:
    • 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
  • Place of Performance:
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.
Attachments/Links
Contact Information
Contracting Office Address
  • 675 NORTH RANDOLPH STREET
  • ARLINGTON , VA 222032114
  • USA
Primary Point of Contact
Secondary Point of Contact


History

Related Document

Mar 14, 2026[Solicitation (Original)] Cathode Advancements in Science and Technology for Oxygen Resistance (CASTOR)
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