General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a $44,488,353 cost-plus-fixed-fee modification to previously awarded contract N00024-21-C-2103 to exercise an option 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) funding in the amount of $600,000 (92%); and fiscal 2021 research, development, test and evaluation (Navy) funding in the amount of $55,000 (8%) will be obligated at time of award, of which $55,000 will expire at the end of the current fiscal year. This contract was not competitively procured and is a sole-source award pursuant to 10 U.S. Code 2304(c)(3) – industrial mobilization. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.