The Department of Defense, through the Defense Logistics Agency, is seeking suppliers for the procurement of F-16 fuel cells, specifically identified by National Stock Number 1560-01-224-0803 and Lockheed Martin part number 320-4-45551-105. The primary objectives of this presolicitation notice include conducting market research to identify potential sources capable of fulfilling the agency's requirements, improving small business access to acquisition information, and enhancing competition by highlighting contracting opportunities. These fuel cells are critical components for the F-16 aircraft, and the estimated quantity required is 33 units, with a delivery schedule of 5 units per month starting November 5, 2025. Interested parties should contact Michelle Mihu at michelle.mihu@us.af.mil for further details, and it is important to note that the qualification process for suppliers may involve significant costs and time commitments, with no guarantee of contract awards despite successful qualification.