The Boeing Co., Seattle, Washington, is awarded a $71,811,770 cost-plus-fixed-fee modification (P00221) to a previously awarded contract (N0001914C0067). This modification adds scope to provide segregable effort support, unknown obsolescence, Class I change assessments and obsolescence monitoring in support of the P-8A Multi-mission Maritime aircraft Lot 12 production line. Work will be performed in Seattle, Washington (97.1%); Huntington Beach, California (2.7%); and Colorado Springs, Colorado (0.2%), and is expected to be completed in April 2025. Fiscal 2021 aircraft procurement (Navy) funds in the amount of $24,811,251; Foreign Military Sales customer funds in the amount of $41,480,002; and Foreign Cooperative Project funds in the amount of $2,059,820 will be obligated at the 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.