The Boeing Co., Seattle, Washington, is awarded a $1,624,757,540 modification to a previously awarded fixed-price-incentive-fee contract (N0001914C0067). This modification provides for the production and delivery of 11 P-8A Lot 12 production aircraft; nine for the Navy and two for the government of Australia. Work will be performed in Seattle, Washington (98.15%); Huntington Beach, California (1.19%); and various locations within the continental U.S. (0.66%), and is expected to be completed in September 2024. Fiscal 2021 aircraft procurement (Navy) funds in the amount of $1,324,354,434; and foreign cooperative agreement funds in the amount of $7,573,000 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.