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 control unit for aircraft, identified by NSN 7R-1680-015554516-H1. The procurement involves a quantity of 22 units, with delivery terms set to FOB Origin, and requires Government source approval prior to contract award due to the flight-critical nature of the item. Interested vendors must provide detailed technical data and documentation as outlined in the NAVSUP WSS Source Approval Information Brochures, as offers lacking the necessary information will not be considered. For inquiries, potential bidders can contact Timika Nicholson at (215) 697-2582 or via email at TIMIKA.NICHOLSON@NAVY.MIL.