This document provides details regarding a pre-solicitation conference for Space Fence S-Band Radar Operations and Facility Maintenance services. The 21st Contracting Squadron at Peterson Air Force Base is conducting market research to identify potential offerors interested in providing 24/7 radar operations and maintenance services for the Space Fence. The conference audio file is related to this effort. Responses requested through this sources sought notice will be used solely for market research purposes by the United States Air Force Space Command. NAICS code 517919 for All Other Telecommunications services applies, with a small business size standard of $35 million. The agency is interested in responses from all business categories.