NAVSUP-WSS intends to sole-source a contract for the evaluation, repair, and/or modification of specific items, including the SPQ-9B Radar Set System, due to a lack of government data for alternative sources. The contract will be a Basic Ordering Agreement (BOA) with a 5-year base period. Responses to this sources sought notice must be received within 15 days of publication. The performance location is not specified, and no budget amount is provided. Interested parties must be approved sources or submit a Source Approval Request package.