# Frosty

Canonical: https://abierto.us/opportunities/darpaps2603

- Solicitation number: DARPA-PS-26-03
- Notice type: Solicitation
- Status: Closed. Deadline was January 30, 2026 at 4:00 PM EST
- 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: AC13 National Defense R&D Services; Department Of Defense - Military; Experimental Development
- First posted: December 18, 2025
- Last posted: January 16, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/840287eb304446ad8e3d8db3c9f54778/view

## Description

The Defense Advanced Research Projects Agency (DARPA) is soliciting innovative approaches to address challenges in the following technical area: Frosty will develop technology to produce new sensing modes in the Arctic environment, enabling better detection and tracking of low-flying air vehicles and slow-moving maritime vessels. Development of innovative radar signal processing algorithms and analysis approaches are needed to enable the proposed concept.

## Publications

- December 18, 2025: Solicitation, due January 30, 2026. Notice e94d80fd99ad45c6a87172479d9f151e. https://sam.gov/workspace/contract/opp/e94d80fd99ad45c6a87172479d9f151e/view
- December 19, 2025: Solicitation, due January 30, 2026. Notice 2e913109e30f4a7a8b47debfcf285c0a. https://sam.gov/workspace/contract/opp/2e913109e30f4a7a8b47debfcf285c0a/view
- January 6, 2026: Solicitation, due January 30, 2026. Notice b4b09ed37e56474285444a1792a3d70e. https://sam.gov/workspace/contract/opp/b4b09ed37e56474285444a1792a3d70e/view
- January 16, 2026: Solicitation, due January 30, 2026 at 4:00 PM EST. Notice 840287eb304446ad8e3d8db3c9f54778. https://sam.gov/workspace/contract/opp/840287eb304446ad8e3d8db3c9f54778/view

## Points of contact

- Solicitation Coordinator, DARPA-PS-26-03@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/darpaps2603.