General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a $15,823,616 cost-plus-fixed-fee modification to previously awarded contract N00024-21-C-2103 for engineering and technical design effort to support research and development concept formulation for current and future submarine platforms. Work will be performed in Groton, Connecticut (96%); Bremerton, Washington (2%); Kings Bay, Georgia (1%); and Newport, Rhode Island (1%), and is expected to be completed by September 2024. Fiscal 2023 research, development, test and evaluation (Navy) funding in the amount of $5,583,537 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.