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 global positioning item, identified by NSN 7R-6605-017222741-RQ. This procurement requires government source approval prior to contract award due to the flight-critical nature of the item, and only previously approved sources will be considered for solicitation. Interested vendors must submit detailed technical data and documentation as outlined in the NAVSUP Source Approval Information Brochures, as failure to provide the necessary information will result in disqualification from the award process. For inquiries, potential bidders can contact Nadia Govorushko at (215) 697-2813 or via email at NADIA.GOVORUSHKO@NAVY.MIL.