This is a Request for Information (RFI) for market research only, not a solicitation for proposals. The Government seeks potential sources with expertise in engineering services for the sustainment of the AAQ-13 Navigation Pod and its components for the U.S. Air Force. The contractor will be responsible for furnishing all material, equipment, and services, with work performed at the contractor's or a subcontractor's facility. The current sole source provider is Lockheed Martin Integrated Systems (LMIS). Participation in this RFI does not guarantee involvement in any future procurement.