Lockheed Martin Rotary and Mission Systems, Syracuse, New York, is awarded a $9,000,000 cost-plus-incentive-fee contract modification to a previously awarded delivery order (N00024-25-F-6260) under an indefinite-delivery/indefinite quantity contract (N00024-25-D-6211) to exercise an option for engineering and technical support for submarine electronic warfare systems on new construction and in-service submarines. Work will be performed in Syracuse, New York, and is expected to be completed by February 2026. Fiscal 2025 research, development, test, and evaluation (Navy) funds in the amount of $1,620,000 will be obligated at the 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.