Fluor Marine Propulsion LLC, Arlington, Virginia, is awarded a $1,329,680,003 cost-plus-fixed-fee modification to previously awarded contract (N00024-18-C-2130) to exercise the fiscal 2023 option for Naval Nuclear Propulsion work at the Naval Nuclear Laboratory. Work will be performed in Schenectady, New York (52%); Pittsburgh, Pennsylvania (40%), and Idaho Falls, Idaho (8%). Fiscal 2022 operations and maintenance (Navy) $2,750,000 (76%); fiscal 2020 other procurement (Navy) $776,929 (22%), fiscal 2021 shipbuilding and conversion (Navy) $55,843 (1%), fiscal 2021 research, development, test and evaluation $21,633 (1%) funding will be obligated at time of award, of which, $3,548,562 will expire at the end of the current fiscal year. This contract modification was not competitively procured. The Naval Sea Systems Command, Washington, District of Columbia, is the contracting activity.