Lockheed Martin Corp, Lockheed Martin Aeronautics Co., Marietta, Georgia, has been awarded a not-to-exceed $28,700,000 undefinitized contract action for sustaining engineering and technical support services. This contract provides for services including, but are not limited to, performing engineering investigations and analyses, formulating deficiency resolution concepts, and designing proof of concepts. Areas to receive engineering support within this performance work statement include, but are not limited to, the Aircraft Structural Integrity Program, the Functional Systems Integrity Program, the Corrosion Prevention and Control Program, technical data sustainment support, depot maintenance technical and engineering support, contractor aircrew support and modernization sustainment services. Modernization sustainment services includes support of contractor logistic support managed or contractor logistic support repaired systems, components and analyses in support of the C-5. work will be performed at Marietta, Georgia, and is expected to be completed by July 25, 2025. This contract was a sole source acquisition. Fiscal 2024 operations and maintenance funds in the amount of $14,063,000 are being obligated at time of award. Air Force Life Cycle Management Center, Robins Air Force Base, Georgia, is the contracting activity (FA8525-24-C-0002). (Contract awarded July 23, 2024)