L3Harris Technologies Inc., Colorado Springs, Colorado, has been awarded a $21,200,111 contract modification (P00161) 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 $650,107,962. Work will be performed in Colorado Springs, Colorado; Dahlgren, Virginia; Vandenberg, California; 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 $21,200,111 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.