General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a $43,037,033 cost-plus-fixed-fee contract 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 Annapolis, Maryland, and is expected to be completed by August 2025. Fiscal 2022 research, development, test, and evaluation (Navy) funds in the amount of $4,000,000 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.