Mechanisms for Amplification of fusion Reaction Rates in Solids (MARRS)
Agency: DARPA - Defense Sciences Office
Assistance Listings: 12.910 -- Research and Technology Development
Last Updated: December 30, 2025
Description
The Defense Advanced Research Projects Agency (DARPA) is soliciting innovative proposals in exploring and implementing mechanisms that amplify and increase the rates of nuclear fusion reactions in solids at and near room temperature. Proposed research should investigate innovative approaches that enable revolutionary advances in science, devices, or systems. Specifically excluded is research primarily resulting in evolutionary improvements to the existing state of practice.
Eligibility
Eligible applicants
Miscellaneous
- Other
Additional information
All responsible sources capable of satisfying the Government's needs may submit a proposal that shall be considered by DARPA. See the Eligibility Information section of the BAA for more information.
Grantor contact information
Description
BAA Coordinator
MARRS@darpa.mil
Documents
| File name | Description | Last updated |
|---|---|---|
| HR001126S0007.pdf | HR001126S0007.pdf | Dec 30, 2025 09:38 PM UTC |
| Attachment_A_Abstract_Summary_Side_Template.pptx | MARRS Attachment A | Dec 30, 2025 09:38 PM UTC |
| Attachment_B_Abstract_Instructions_and_Template.docx | MARRS Attachment B | Dec 30, 2025 09:38 PM UTC |
| Attachment_C_Proposal_Summary_Slides_Template.pptx | MARRS Attachment C | Dec 30, 2025 09:38 PM UTC |
| Attachment_D_Proposal_Instructions_and_Volume_I_Template_Technical_and_Management.docx | MARRS Attachment D | Dec 30, 2025 09:38 PM UTC |
| Attachment_E_Proposal_Instructions_and_Volume_II_Template_Cost.docx | MARRS Attachment E | Dec 30, 2025 09:38 PM UTC |
| Attachment_F_DARPA_Cost_Proposal_Spreadsheet.xlsx | MARRS Attachment F | Dec 30, 2025 09:38 PM UTC |
| Attachment_I_Associate_Contractor_Agreement.docx | MARRS Attachment I | Dec 30, 2025 09:38 PM UTC |
| Attachment_H_Model_Cooperative_Agreement.docx | MAARS Attachment H | Dec 30, 2025 09:38 PM UTC |
| Attachment_G_Model_Other_Transaction_for_Research_Agreement.docx | MAARS Attachment G | Dec 30, 2025 09:38 PM UTC |
Link to additional information
Closing: March 12, 2026
See Full Announcement for details.
Award
$--
Program Funding
--
Expected awards
$--
Award Minimum
$--
Award Maximum
Funding opportunity number:
HR001126S0007
Cost sharing or matching requirement:
No
Funding instrument type:
Cooperative agreement
Other
Procurement contract
Opportunity Category:
Discretionary
Opportunity Category Explanation:
--
Category of Funding Activity:
Science technology and other research and development
Category Explanation:
--
History
Version:
1
Posted date:
December 30, 2025
Archive date:
April 11, 2026
