Raytheon Co., El Segundo, California, is awarded a $20,040,000 modification (P00006) to a previously awarded fixed-price-incentive-fee contract (N0001920C0001). This modification exercises an option to procure six AN/APG-79(V)4 radar systems. Additionally, this modification provides software, obsolescence management, engineering support and associated technical, financial, and administrative data necessary for AN/APG-79(V)4 replacement radar retrofit integration into the F/A-18C/D aircraft for the Marine Corps. Work will be performed in Forest, Mississippi (41.1%); El Segundo, California (32.6%); Andover, Massachusetts (18.3%); and Dallas, Texas (8%), and is expected to be completed in November 2022. Fiscal 2021 aircraft procurement (Navy) funds in the amount of $20,040,000 will be obligated at time of award, none of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.