This is a market survey to identify potential sources for F-15 radar Reliability and Maintainability engineering services, with the primary work location being on-site at Robins Air Force Base, GA. The requirement is explicitly anticipated to be sole-sourced to Raytheon Company, as the government states only Raytheon possesses the necessary corporate knowledge and data rights. The planned acquisition strategy is for a five-year requirements contract continuing through Fiscal Year 2029. A SECRET security clearance is required, and no foreign participation is permitted. This is for planning purposes only; responding does not ensure future participation and expenses will not be reimbursed.