General Dynamics, Electric Boat Corp., Groton, Connecticut, is being awarded a $7,316,141 cost-plus-fixed-fee modification to a previously awarded contract (N00024-15-C-4305) to exercise a priced option to maintain Navy certification, protect and operate the Navy floating dry dock, ARDM-4 Shippingport. The contractor will also accomplish organizational level repairs and preservation to the government furnished dry dock. Work will be performed in Groton, Connecticut, and is expected to be completed by October 2019. Fiscal 2019 operations and maintenance (Navy) funding in the amount of $1,900,000 will be obligated at time of award and will expire at the end of the current fiscal year. The Supervisor of Shipbuilding Conversion and Repair, Groton, Connecticut, is the contracting activity.