The Naval Undersea Warfare Center Division, Keyport is conducting market research to identify potential suppliers for a specific Toxic Vapor Analyzer (TVA 2020) system and a calibration kit. The required system must have a precise configuration including an enhanced probe, a transportation case, and specific certifications. The performance location is Keyport. This is a sources sought notice for planning purposes only and is not a request for proposals; submission of information is voluntary and will not be reimbursed. Interested parties must complete and return a specific questionnaire by the provided response deadline.