The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of antennas, identified by NSN 7R-5985-012061590-JT. The procurement involves a quantity of 15 units, with delivery terms set to FOB Origin, and is critical for flight operations, necessitating Government source approval prior to contract award. Due to the specialized nature of the item and the lack of adequate technical data for competitive solicitation, only previously approved sources will be considered, and interested parties must submit detailed information 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 Danielle Diciacco at (215) 697-5970 or via email at DANIELLE.DICIACCO.CIV@US.NAVY.MIL.