The Department of Defense, specifically the Naval Research Laboratory (NRL), intends to award a sole source purchase order for the acquisition and maintenance of Feflo software, which is essential for performing various numerical simulations. The procurement is directed towards the Center for Computational Fluid Dynamics, as they are the only responsible source capable of fulfilling the agency's requirements. This software is critical for advanced computational fluid dynamics applications, supporting the NRL's research and development efforts. Interested parties may express their capabilities by referencing Notice of Intent number N00173-25-Q-1301184508, with responses due by October 19, 2024, at 1100 hours. For further inquiries, contact James Buie at james.buie@nrl.navy.mil or call 202-923-1553.