Lockheed Martin Rotary and Mission Systems, Manassas, Virginia, is awarded a $78,423,685 cost-plus-incentive-fee and cost reimbursement contract modification to previously awarded contract N00024-17-C-6259 to exercise options for engineering design and development.  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 2023. Fiscal 2022 other procurement (Navy) funds in the amount of $58,919 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 Navy Yard, Washington, D.C., is the contracting activity.