Department of War
SBIR/STTR FY26 Release 4 Topics
Summary:
Department of War SBIR/STTR FY26 Release 4 opened on July 22, 2026, following a pre-release on July 1, and includes 30 SBIR and STTR topics across the Army, Air Force, Navy, DARPA, and the Missile Defense Agency. All Release 4 topics close on August 19, 2026. This is the fourth of six scheduled 2026 releases under the DoW's Commercial Solutions Opening (CSO), part of the broader SBIR/STTR reauthorization signed into law in April 2026. Topics span autonomous systems, quantum sensing, hypersonics, radiation-hardened electronics, and counter-UAS technologies, reflecting the Department's continued focus on distributed, autonomous, and resilient defense capabilities. Below, BW&CO breaks down every Release 4 topic with technical objectives, eligibility requirements, and funding amounts to help you determine fit before the deadline.
Details:
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
Ground-Based Affordable Mass (G-BAM) Challenge - SBIR Topic ARM26BX04-DV010
UH-60M Patient Handling System - SBIR Topic ARM26BX04-DV009
Asymmetric Collaborative Counter Swarm - SBIR Topic ARM26BX04-NV008
Asymmetric Collaborative Counter Swarm - STTR Topic ARM26TX04-NV001
Very Low-Cost Kinetic Defeat for C-sUAS - SBIR Topic DAF26BX04-DP025
Advancing Assured Access: Integrated Digital Capabilities for the 2 SLS to Accelerate Mission Tempo and Readiness - SBIR Topic DAF26BX04-DV508
Commercial-Derived Insights for Novel Tactical Surveillance, Reconnaissance, and Tracking (TacSRT) Capabilities - SBIR Topic DAF26BX04-NV506
High Precision Specialized Waveguides for Extreme Temperatures - SBIR Topic DON26BZ04-NV067
Domestic Production of Plant-based Carbon Fiber Precursors in Support of Hypersonic Applications - SBIR Topic DON26BZ04-NV066
Non-Volatile Memory for Extreme Environments - SBIR Topic DPA26BZ04-DV017
Fusion of Abstract Learning and Context-Optimized Neural-methods (FALCON) - SBIR Topic DPA26BZ04-DV016
Art of Novel Signals: Predicting and Forecasting with High Confidence - SBIR Topic DPA26BZ04-DV015
Event-Based Sensing Hardware and Algorithms for Navigation - SBIR Topic MDA26BZ04-NV008
Universal Automated Control Assessment, Validation & Risk Correlation Platform for Hybrid DoW Environments - SBIR Topic MDA26BZ04-NV007
Neuromorphic Hardware - SBIR Topic MDA26BZ04-NV006
Miniaturization, Modulation, and Chip Scaling of Photonic Technologies - SBIR Topic MDA26BZ04-NV005
Potential Application of Very Large Array (VLA) over Transmission Infrastructure - SBIR Topic MDA26BZ04-NV004
Software Defined Antenna for Interceptor-to-Interceptor Communications - SBIR Topic MDA26BZ04-NV003
Radiation Hardening of Non-Hardened Commercial Microelectronics - SBIR Topic MDA26BZ04-NV002
Next-Gen Thermal Batteries for Missile Defense Application - SBIR Topic MDA26BZ04-NV001
Software Defined Radio for Link Diversity - STTR Topic MDA26TZ04-NV004
Low-Volatility, Reduced-Toxicity Hypergolic Propellants - STTR Topic MDA26TZ04-NV003
Open Topic for Historical Radiation Data Analysis for Enhanced Ballistic Missile Defense System (BMDS) Modeling and Prediction - STTR Topic MDA26TZ04-NP002
Novel Ignition Systems for multi-pulse Solid Propellant Rocket Motors - STTR Topic MDA26TZ04-NV001
T3CP Patent Holiday SBIR Open Topic Call - SBIR Topic OSW26BZ04-DP013
Integrated Multicomponent Module for Quantum Sensors - SBIR Topic OSW26BZ04-DV007
Large Étendue, High Spectral Resolution Asymmetric Spatial Heterodyne Interferometer for Quantum and Dual-Use Remote Sensing Applications - SBIR Topic OSW26BZ04-DV006
High-speed Photon-Number-Resolution Quanta Imaging Sensor Array - SBIR Topic OSW26BZ04-DV005
High-Speed Nanophotonic Spatial Light Modulators - SBIR Topic OSW26BZ04-DV012
Adaptive AI-Driven Waveform Design - SBIR Topic OSW26BZ04-DV009
Tunable Nonlocal Metasurfaces for Edge Computing and Processing - SBIR Topic OSW26BZ04-DV011
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.