The Naval Surface Warfare Center Dahlgren Division is seeking to procure specific LED lights and power filters manufactured by Constellation Lighting, located in Wheeling, IL, as sole-source direct replacements for existing TAC equipment. Performance of services and delivery will be to Dahlgren, VA 22448-5114. The government will award a firm fixed-price order on a Lowest Price Technically Acceptable basis, and all costs including shipping and tariffs must be included in the quoted price. Offerors must be authorized resellers with documentation from the OEM and must be registered in SAM. The anticipated closing date for quotations is July 20, 2026.