This is a firm-fixed-price contract for the repair of a specific MODEM ASSEMBLY, COMM, requiring a Government-mandated Repair Turnaround Time (RTAT) of 81 days from asset receipt to acceptance. The government will add an option to increase the quantity of supplies, which can be exercised within the timeframe specified by the relevant FAR clause. A Government Source Inspection (GSI) is required, and the contractor must maintain inspection records for 365 days after final delivery. The contractor must provide a price reduction amount per unit for each month the required RTAT is not met due to unexcusable delay. The location for performance is not specified.