General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a $12,774,560 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 (96.1%); Bremerton, Washington (1.7%); Kings Bay, Georgia (1.7%); and Newport, Rhode Island (0.5%), and is expected to be completed by September 2022. Fiscal 2022 research, development, test and evaluation (Navy) funds in the amount of $137,500 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.