The Department of Defense, specifically the Naval Research Laboratory, intends to award a sole source contract for the annual software license renewal for the US3D Cluster Version to VIRTUSAERO LLC, based in Minneapolis, Minnesota. This procurement is not open for competitive proposals, as the NRL has determined that only one responsible source can meet its requirements, emphasizing the specialized nature of the software involved. The software is critical for advanced computational fluid dynamics applications, which are essential for various defense-related research and development projects. Interested parties may express their capability to fulfill this requirement by contacting Yina Brooks at yina.brooks.civ@us.navy.mil, and should reference Notice of Intent number N0017326Q5803 in their correspondence. The procurement will utilize Simplified Acquisition Procedures under FAR Part 13.106-1(b), with a threshold not exceeding $350,000.