Bechtel Plant Machinery Inc., Monroeville, Pennsylvania, is awarded a $576,360,793 cost-plus-fixed-fee modification to previously awarded contract N00024-19-C-2115 for naval nuclear propulsion components. Work will be performed in Monroeville, Pennsylvania (75%); and Schenectady, New York (25%). Fiscal 2023 shipbuilding and conversion (Navy) funding in the amount of $456,176,165 (100%) will be obligated at time of award and funds will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.