Northrop Grumman Systems Corp., Charlottesville, Virginia, is awarded a $12,244,157 firm-fixed-price modification to previously awarded contract N0002419C4101 to exercise options for Integrated Bridge Navigation System production shipsets in support of both the DDG 51 class modernization program and the DDG 51 class new construction program. Work will be performed in Charlottesville, Virginia, and is expected to be completed by December 2023. Fiscal 2022 other procurement (Navy) funds in the amount of $7,263,142 (59%); and fiscal 2022 shipbuilding and conversion (Navy) funds in the amount of $4,981,015 (41%) will be obligated at time of award and will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.