L3Harris Technologies Inc., Colorado Springs, Colorado, has been awarded a $16,515,647 contract modification (P00100) to previously awarded contract FA8823-20-C-0004 for Space Fence sustainment services. This modification adds depot level maintenance, modification and sustainment services for the Space Fence System. Work will be performed in Colorado Springs, Colorado; Moorestown, New Jersey; Eglin Air Force Base, Florida; Kwajalein Atoll, Marshall Islands; and Dahlgren, Virginia, and is expected to be completed by April 30, 2023. Fiscal 2022 operations and maintenance funds in the amount of $5,341,637 are being obligated at the time of award. The total cumulative face value of the contract is $517,528,546. The Space Systems Center Directorate of Contracting, Peterson Space Force Base, Colorado Springs, Colorado, is the contracting activity.