The Department of Defense, specifically the Navy, is seeking innovative solutions through the SBIR program for a Direct to Phase II initiative focused on developing a low-cost ground testing solution for Rotating Detonation Engines (RDEs). The objective is to create a rapid and repeatable testing capability that can effectively simulate hypersonic environments, enabling the validation of materials and system performance for hypersonic weapons technology. This initiative is critical as it addresses the challenges of current testing limitations and aims to enhance the development of advanced propulsion systems, with potential applications across various aerospace sectors. Interested parties should note that the solicitation is currently closed, with the application due date having been June 12, 2024, and further details can be found at the provided source link.