The 131st Mission Support Group contracting office intends to issue a Request for Quotation (RFQ) in accordance with RFO FAR 12.201-1(c)(2) using simplified procedures to award a single firm-fixed price purchase order for non-personal services to replace windows in multiple facilities at Jefferson Barracks Air National Guard Station. Replacement windows will be commercial grade single-hung operable windows and match the original style as the windows being replaced. The anticipated performance period will be 120 days after issue of the notice to proceed. This is a presolicitation notice only and no quotations are being requested at this time. No formal solicitation documents will be posted to SAM.gov. All responsible sources may submit a quotation which will be considered by the agency. Anticipated award is by 31 August 2026. In accordance with RFO FAR 36.101-4, the following information is provided: 1. The National Guard has no agency-specific policies or procedures applicable to definitization of equitable adjustments for change orders under construction contracts other than those described at RFO FAR 43.304, RFO DFARS 243.304, and AFARS 5143.304. 2. Data for the prior 3 fiscal years regarding the time required to definitize equitable adjustments for change orders under construction contracts for the National Guard is currently not available, but will be compiled and provided in future announcements.