This is a sole-source opportunity for the renewal of RTI DDS Secure software maintenance, requiring compatibility with existing systems. The software must be delivered to Dahlgren, VA 22448-5114, with all costs including shipping included in the quoted price. Offerors must provide documentation confirming they are an authorized reseller or distributor of the brand-name items. The anticipated publication date in SAM.gov is 11 June 2026, with an anticipated award date by 8 August 2026. Award will be made on a Lowest Price Technically Acceptable basis.