Lockheed Martin Rotary and Mission Systems, Baltimore, Maryland, is awarded a $12,478,541 cost-plus-fixed-fee modification to previously awarded contract N00024-11-C-2300 to exercise an option for industrial post-delivery availability support for the Freedom-variant littoral combat ship USS Marinette (LCS 25). Work will be performed in Marinette, Wisconsin, and is expected to be completed by June 2022. Fiscal 2021 shipbuilding and conversion (Navy) funds in the amount of $2,700,000 (90%); and fiscal 2016 shipbuilding and conversion (Navy) funds in the amount of $300,000 (10%) funding will be obligated at time of award and will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.