The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of a critical air data computer, identified by NSN 7R-6605-016885068-P8. This procurement requires engineering source approval due to the unique design and manufacturing knowledge necessary to maintain the quality of the part, which is essential for flight operations. Only approved sources will be considered for this contract, and interested parties must submit detailed qualifications and source approval requests as outlined in the NAVSUP Source Approval Information Brochures. Proposals must be submitted within 45 days of this notice, and inquiries can be directed to Shannon K. Fitzgerald at (215) 697-3638 or via email at SHANNON.K.FITZGERALD3.CIV@US.NAVY.MIL.