The Missile Defense Agency (MDA) is seeking innovative solutions through the Small Business Innovation Research (SBIR) program to develop low-cost passive panels for enhancing radar systems. The primary objective is to evaluate the application of commercial-based, low-cost phased-array panels to support auxiliary and multi-static distributed arrays for MDA's X-band radars, which would improve radar sensitivity and electronic protection capabilities. This initiative is particularly significant given the commercial industry's substantial investment in RF/digital technology, which has led to the development of affordable receive-only arrays that can augment existing radar systems. Interested parties should note that the solicitation is currently closed, with the next opportunity opening on September 18, 2024, and applications due by October 23, 2024. For further details, please visit the official SBIR website at https://www.dodsbirsttr.mil/topics-app/.