The Boeing Co., Huntington Beach, California, is awarded a $10,620,251 cost-plus-fixed-fee modification to previously awarded contract N00024-17-C-6307 to exercise options for Extra Large Unmanned Undersea Vehicle engineering support. Work will be performed in Huntington Beach, California (75%); and Cockeysville, Maryland (25%), and is expected to be completed by September 2024. Fiscal 2023 operations and maintenance (Navy) funds in the amount of $1,976,000 (72%); and fiscal 2023 research, development, test and evaluation (Navy) funds in the amount of $774,000 (28%), will be obligated at time of award, of which $1,976,000 will expire at the end of the current fiscal year. Naval Sea Systems Command, Washington, D.C., is the contracting activity.