The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of electronic countermeasure receivers, identified by NSN 7R-5865-017059130-P8. The procurement involves a quantity of three units, which are critical for flight operations, necessitating government source approval prior to contract award due to the technical data's inadequacy for full and open competition. Interested vendors must provide comprehensive documentation as outlined in the NAVSUP Source Approval Information Brochures, and failure to submit the required data will result in disqualification from the award process. For further inquiries, interested parties can contact Sarah E. Crompton at (215) 697-5809 or via email at SARAH.CROMPTON@NAVY.MIL.