# Mechanisms for Amplification of fusion Reaction Rates in Solids (MARRS) Proposers Day

Canonical: https://abierto.us/opportunities/darpasn2622

- Solicitation number: DARPA-SN-26-22
- Notice type: Special notice
- Status: Closed. Deadline was January 14, 2026
- Department: Department of Defense
- Agency: Defense Advanced Research Projects Agency
- Contracting office: Def Advanced Research Projects Agcy (HR0011)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AC11 National Defense R&D Services; Department Of Defense - Military; Basic Research
- First posted: December 17, 2025
- Last posted: December 17, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/66479747d0f04ef3809c6a09c86fc694/view

## Description

The Defense Advanced Research Projects Agency (DARPA) Defense Sciences Office (DSO) is sponsoring a Proposers Day webcast to provide information to potential proposers on the objectives of an anticipated Broad Agency Announcement (BAA) for the Mechanisms for Amplification of fusion Reaction Rates in Solids (MARRS) program.

## Publications

- December 17, 2025: Special notice, due January 14, 2026. Notice 66479747d0f04ef3809c6a09c86fc694. https://sam.gov/workspace/contract/opp/66479747d0f04ef3809c6a09c86fc694/view

## Points of contact

- BAA Coordinator, MARRS@darpa.mil

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/darpasn2622.