Marinette Marine Corp., Marinette, Wisconsin, is awarded an $80,267,282 cost-plus-fixed-fee and cost modification to previously awarded contract N00024-20-C-2300 to exercise options for engineering and class support requirements and to fund projects for the frigate surface combatant industrial base and workforce development in support of detail design and construction of the Constellation-class guided-missile frigate. Work will be performed in Marinette, Wisconsin (65%); Newport News, Virginia (13%); New York, New York (5%); Columbia, Maryland (5%); Philadelphia, Pennsylvania (5%); Ayer, Massachusetts (3%); Arlington, Virginia (3%); and other various locations (1%), and is expected to be completed by May 2034. Fiscal 2023 shipbuilding and conversion, Navy funds in the amount of $45,500,000 will be obligated at time of the award and will not expire at the end of the current fiscal year. Naval Sea Systems Command, Washington, D.C., is the contracting activity.