This is a combined synopsis/solicitation for commercial products and services, issued as a request for quotation on a sole-source basis to Blue Ridge Research and Consulting, LLC. The contractor will support the Volpe Center in developing the next public release of the Advanced Acoustic Model and demonstrate a conceptual tool to predict sonic boom impacts using historical atmospheric data for Vandenburg Space Force Base leadership and the public. The award will be a firm fixed-price purchase order, with pricing required for four contract line items. The solicitation is not set aside for small business and incorporates applicable FAR and TAR clauses, including a requirement for active SAM registration. Offers must be submitted by email to the specified contracting officer.