The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the repair of the HPOI TUNER SPLI. This procurement involves the repair turnaround time (RTAT) for specific electronic countermeasure equipment, with a focus on ensuring compliance with operational and functional requirements as outlined in the contract specifications. The successful contractor will be responsible for all inspection and quality assurance measures, with the expectation of a firm-fixed-price contract that may include options for increased quantities. Interested parties should direct inquiries to Nicole Diehl at 717-605-5415 or via email at NICOLE.DIEHL@NAVY.MIL, with proposals due by the specified deadline.