United Launch Services LLC, Centennial, Colorado, has been awarded a not-to-exceed $17,452,475 modification (P00006) to task order FA8811-20-F-0005 under the National Security Space Launch Phase 2 contract (FA8811-20-D-0001). This modification provides mission integration requirements and other standard services for the U.S. Space Force-51 mission. Work will be performed in Centennial, Colorado; and Cape Canaveral Space Force Station, Florida, and is expected to be completed by the first quarter of fiscal 2023. Fiscal 2021 space procurement funds in the amount of $8,726,237 will be obligated at the time of award. The cumulative face value of this task order is $149,581,475. The Space and Missile Systems Center, Los Angeles Air Force Base, California, is the contracting activity.