General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded an $8,593,360 cost-plus-fixed-fee modification to previously awarded contract N00024-21-C-4311 to exercise an option for the operation, maintenance, and protection of the floating dry dock, Shippingport (ARDM-4). Work will be performed in Groton, Connecticut, and is expected to be completed by June 2023. Fiscal 2022 operations and maintenance (Navy) funds in the amount of $8,593,360 (100%) will be obligated at time of award, and funds in the amount of $8,593,360 will expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.