The Naval Air Systems Command (NAVAIR) at Patuxent River, MD is conducting market research for the production and delivery of RR-129, RR-144, RR-170, RR-180, RR-188, RR-198, RR-199, and RR-203 timed-release chaff expendable countermeasures with higher radar cross section capability. The estimated contract value is $225,000,000 across U.S. Navy, Marine Corps, Air Force, Joint Program Office, and Foreign Military Sales, with an estimated 30,000–500,000 units per year. The anticipated contract is firm-fixed with a five-year ordering period covering FY28 through FY32, an anticipated award date of February 2028, deliveries beginning 6–12 months after each delivery order, and initial production of 3–7 devices per month. Interested businesses must demonstrate manufacturing technology, infrastructure, capacity, and access to necessary technical data to meet the required timelines. This sources sought is for informational purposes only and does not constitute a request for proposal or a government commitment to award a contract.