Northrop Grumman Systems Corp., Woodland Hills, California, has been awarded a not-to-exceed $24,978,602 unpriced change order modification (P00013) to previously awarded contract FA8540-19-C-0001 for embedded Global Positioning System/Inertial Navigation System engineering, manufacturing and development. This modification provides for the incorporation of System Requirements Document Version 3.2.1 and the incorporation of Statement of Work Revision 4. Work will be performed in Woodland Hills, California, and is expected to be complete by June 30, 2021. Fiscal 2020 research and development funds in the amount of $7,500,000 are being obligated at the time of award. The total cumulative face value of the contract is $149,990,015. Air Force Life Cycle Management Center, Robins Air Force Base, Georgia, is the contracting activity.