The Department of Defense, specifically the Naval Research Laboratory (NRL), is seeking to enter into a sole source contract with the University Corporation for Atmospheric Research (UCAR) for the Research and Development (R&D) of the Navy’s Next-Generation Environmental Prediction system, known as NEPTUNE. The contract aims to enhance NEPTUNE's capabilities through software development, data assimilation, and training, focusing on projects such as the NEPTUNE dynamic core and high-altitude forecasting. This initiative is critical for advancing the Navy's meteorological capabilities, which are essential for effective fleet operations. Interested firms may submit their capability statements to the Contracting Officer, Connor Murphy, at connor.j.murphy14.civ@us.navy.mil, within 15 days of this announcement, as a solicitation will not be posted.