The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the repair and modification of Global Positioning Systems, identified by part number K160A151-51 and NIIN 6605 016982856. The contract requires the successful contractor to provide necessary facilities, labor, materials, and parts to return the systems to a Ready for Issue (RFI) condition within a defined Repair Turnaround Time (RTAT) of 110 days after receipt of the assets. This procurement is critical for maintaining operational readiness and reliability of navigational instruments used by the Navy. Interested contractors must submit their proposals to Nadia Govorushko at nadia.govorushko@navy.mil by the specified deadline indicated in the solicitation, with further details available upon request.