The Department of Defense, through the Naval Research Laboratory (NRL), intends to issue a sole source purchase order for annual support and upgrades to several AGI Legacy software products from Ansys Government Initiatives (AIG). The procurement encompasses software products such as PRO-UGR STK Pro, SatPro, Analysis Workbench, STK Integration, Terrain, Imagery & Maps, and Communications Module, which are vital for various defense-related applications and are covered under GSA Contract GS35F056DA. This opportunity is classified under NAICS Code 513210 and utilizes Simplified Acquisition Procedures as per FAR Part 13, with a procurement value not exceeding $250,000. Interested parties may express their interest, but the decision to proceed with competitive procurement lies solely with the Government, and no costs will be reimbursed for submissions.