General Dynamics Electric Boat, Groton, Connecticut, is awarded an $18,251,709 cost-plus-fixed-fee modification to previously-awarded contract N00024-09-C-2104 for planning and execution of USS South Dakota’s (SSN 790) post-delivery work period (PDWP). General Dynamics Electric Boat will perform planning and execution efforts, including long lead time material procurement, in preparation to accomplish the maintenance, repair, alterations, testing, and other work during its scheduled PDWP. Work will be performed in Groton, Connecticut, and is expected to be completed by December 2020. Fiscal 2015, 2016, 2017, 2018 and 2019 shipbuilding and conversion (Navy) funding in the amount of $14,651,709 will be obligated at time of award and will not expire at the end of the current fiscal year. The Supervisor of Shipbuilding, Conversion and Repair, Groton, Connecticut, is the contracting activity.