General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a $42,964,632 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 $10,000 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.