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Original 2019 conceptual-design RFP closed; LUSV program continues with periodic follow-on solicitations through NAVSEA PMS 406 — check SAM.gov for active notices.
Historical funding: Varies
Prior eligibility: Defense contractors with experience in unmanned maritime systems.
The Large Unmanned Surface Vessel (LUSV) Program is a grant from the U.S. Navy that funds the design and development of large autonomous surface vessels for naval operations. The program issues requests for proposals (RFPs) for conceptual designs through Naval Sea Systems Command, seeking innovative approaches to vessel construction, autonomy systems, and maritime engineering. Eligible applicants are defense contractors with experience in unmanned maritime systems. Award amounts vary based on project scope and contract type.
The Department of the Navy pre-released FY26 Release 3 SBIR/STTR on June 3, 2026 — 12 BAA topics and one Commercial Solutions Opening for Counter-Unmanned Air Systems. Topics span adaptive sensor management, anomalous behavior detection, satellite imagery optimization, real-time zero-trust data for combat systems, and gun weapon systems modernization. Technical questions cut off June 23. Proposals open June 24 and close July 22. NAVAIR and NAVSEA co-host a Counter-UAS webinar June 16. Phase I funding tops out at $315,000. The CSO open topic for AI-powered drone defense is the structural news: it's the first time NAVAIR has used a CSO vehicle to fund counter-drone work outside the conventional Phase I/II structure, and it changes how small businesses can engage with the Navy's most urgent capability gap.
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