L3Harris Technologies Inc., Colorado Springs, Colorado, has been awarded a $46,369,592 contract modification (P00158) to previously awarded contract FA8823-20-C-0004 for Maintenance of Space Situational Awareness Integrated Capabilities (MOSSAIC) sustainment services. The modification brings the total cumulative face value of the contract to $645,729,988. Work will be performed in Colorado Springs, Colorado; and Eglin Air Force Base, Florida., and is expected to be completed by Jan. 31, 2024. Fiscal 2023 operations and maintenance funds in the amount of $17,642,914 are being obligated at the time of award. The Space Systems Center Directorate of Contracting, Peterson Space Force Base, Colorado Springs, Colorado, is the contracting activity.