Austal USA, Mobile, Alabama, is awarded a $46,333,112 cost-plus-fixed-fee, firm-fixed-price, and cost-only modification to previously awarded contract N00024-17-C-2301 to exercise an option for Littoral Combat Ships Class design support and integrated data and product model environment support. Work will be performed in Mobile, Alabama (60%); and Pittsfield, Massachusetts (40%), and is expected to be completed by June 2024. Fiscal 2018 (75%) shipbuilding and conversion (Navy) funds will be obligated at time of award and will not expire at the end of the current fiscal year. Fiscal 2023 shipbuilding and conversion (Navy) funds in the amount of $2,000,000 (25%) will be obligated at time of award and will expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.