The Naval Air Systems Command (NAVAIR) is seeking competitive proposals for C/KC-130 Air Vehicle Engine Module Repair Services under a single-source Indefinite Delivery Indefinite Quantity (IDIQ) contract with a five-year base ordering period and an option to extend. The planned award is during the second quarter of Government Fiscal Year 2026. Performance location is not specified. Access to solicitation attachments containing Controlled Unclassified Information requires a written request with company details and CAGE code. Proposals must be submitted unclassified, with proprietary information marked accordingly.