The Department of Defense, specifically the Navy, is seeking proposals for the Small Business Innovation Research (SBIR) program focused on developing a novel autonomous dead reckoning navigation system for hypersonic vehicles. The objective is to create a state-of-the-art navigation capability that enhances accuracy over longer distances, utilizing discrete updates from various sensors while minimizing reliance on external references like GPS. This technology is crucial for advancing navigation systems in defense applications and has potential commercial uses in areas such as ocean exploration and autonomous vehicles. The solicitation is currently in pre-release, with proposals due by February 5, 2025, and further details can be found at the provided source link.