Department of War

SBIR/STTR FY26 Release 4 Topics

The Department of War (DoW) SBIR/STTR FY26 Release 4 solicitation is now available, providing U.S. small businesses with new opportunities to develop innovative technologies that address critical national security priorities.

Budgets across each topic vary, but the deadline for all topics in this release is August 19th, 2026.

This page serves as BW&CO's central resource for the latest DoW SBIR and STTR Release 4 topics, with direct links to detailed summaries of each solicitation, eligibility information, and funding opportunities.

FY 26 Release 4 Topics

Whether your technology is focused on artificial intelligence, autonomy, advanced manufacturing, aerospace, cybersecurity, biotechnology, energy, quantum technologies, robotics, or other emerging capabilities, you can quickly explore the topics most relevant to your organization.

Each topic listed below links to an individual page that explains the technical objectives, potential applicants, key requirements, and funding details to help you determine whether the opportunity aligns with your technology roadmap.

BW&CO continuously reviews new federal funding opportunities and provides guidance to companies pursuing competitive SBIR and STTR awards.

Browse the FY26 Release 4 topics below, identify the solicitations that best fit your innovation, and schedule a consultation with our team if you would like assistance evaluating your fit or preparing a competitive proposal before the submission deadline.