General Dynamics Electric Boat Corp., Groton, Connecticut, was awarded a $967,185,528 cost-plus-fixed-fee modification to previously awarded contract N00024-20-C-2120 for lead yard support and development studies and design efforts related to Virginia Class submarines. Work will be performed in Groton, Connecticut (95%); McLeansville, North Carolina (3%); Newport News, Virginia (1%); and Newport and Quonset, Rhode Island (1%), and is expected to be completed by October 2024. Fiscal 2023 research, development, test and evaluation (Navy) funding in the amount of $110,000,001 (99%); and fiscal 2021 shipbuilding and conversion (Navy) funding in the amount of $1,000,000 (1%), will be obligated at time of award and will not expire at the end of the current fiscal year. Naval Sea Systems Command, Washington, D.C., is the contracting activity. (Awarded Sept. 29, 2023)