The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking proposals for the repair of three aircraft refueling tanks (NSN 7R1560015538650, 313004805313) intended for Foreign Military Sales to Brazil. The repair work is designated as sole source to Mission Systems Davenport, Inc., the Original Equipment Manufacturer (OEM), which possesses the necessary repair data and capabilities. Interested parties, including those not currently approved as sources, may submit capability statements or proposals; however, they must comply with specific requirements outlined in the NAVSUP WSS Source Approval Information Brochure. Proposals must be submitted to Jeremy Barney at jeremy.p.barney.civ@us.navy.mil within 45 days of this notice, as the government intends to negotiate under the authority of FAR 6.302-1.