Lockheed Martin Aeronautics, Marietta, Georgia, has been awarded a $131,604,450 contract for C‐5 sustainment. This contract provides for sustaining engineering services. Work will be performed in Fort Worth, Texas; Marietta, Georgia; and Palmdale, California, and is expected to be completed Jan. 25, 2019. This award is the result of a sole-source acquisition. A combination of fiscal 2019 transportation working capital funds; and operations and maintenance funds in the amount of $23,543,771 are being obligated at the time of award. Air Force Life Cycle Management Center, Robins Air Force Base, Georgia, is the contracting activity (FA8525‐19‐D‐0001).