General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded an $8,650,427 modification to previously awarded, cost-plus-fixed-fee contract N00024-20-C-2114 for reactor plant planning yard support for nuclear-powered submarines and support yard for the Navy’s moored training ships. This modification includes options which, if exercised, would bring the cumulative value of this modification to $149,219,670. Work will be performed in Groton, Connecticut (92%); and Charleston, South Carolina (8%). No completion date or other additional information is provided on Naval Nuclear Propulsion Program contracts. Fiscal 2020 other procurement (Navy) funds in the amount of $8,650,427 will be obligated at time of award and will not expire at the end of the current fiscal year. This contract was not competitively procured in accordance with 10 U.S. Code 2304(c)(1) — only one responsible source and no other supplies or services will satisfy agency requirements. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.