This Sources Sought Notice is for market research only and is not a solicitation, request for quotes/proposals, or invitation for bids, and it does not obligate the Government to issue a solicitation or award a contract. Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility is seeking sources capable of providing as-needed repairs and calibration services to maintain full operational capability for five Keysight N9918A RF Microwave Analyzers during the period of performance. The applicable NAICS code is 811210 (Electronic and Precision Equipment Repair and Maintenance) with a $34 million size standard, and the PSC is J049. Interested qualified parties are invited to submit tailored capability statements and organizational information in response to this market survey. Telephone inquiries will not be accepted, and no feedback or evaluations will be provided on submissions.