Lockheed Martin Rotary and Mission Systems, Manassas, Virginia, is awarded a $79,022,995 cost-plus-incentive-fee contract modification to previously awarded contract N00024-17-C-6259 to exercise options for Navy engineering design, development, and supporting material. Work will be performed in Manassas, Virginia (65%); Clearwater, Florida (32%); Syracuse, New York (2%); and Marion, Florida (1%), and is expected to be completed by December 2024. Fiscal 2016 shipbuilding and conversion (Navy) funds in the amount of $974,324 will be obligated at time of award and will not expire at the end of the current fiscal year. Naval Sea Systems Command, Washington Navy Yard, Washington, D.C., is the contracting activity.