The Department of Defense, specifically the Navy, is seeking small business concerns to develop a Testing Open System Architecture (TOSA) for high-speed flight systems as part of the SBIR program. The objective is to create a modular architecture that facilitates the integration and evaluation of alternate navigation capabilities, particularly in scenarios where GPS may not be available, while ensuring compatibility with existing military standards such as MOSA, SOSA, and WOSA. This initiative is crucial for enhancing the resilience and performance of hypersonic and supersonic weapon systems, with the potential for dual-use applications in commercial sectors like ocean exploration and autonomous vehicles. Interested parties must submit their applications by November 20, 2024, with the opportunity officially opening on October 23, 2024. For more details, visit the official solicitation page at https://www.dodsbirsttr.mil/topics-app/.