The Lockheed Martin Corp., Rotary and Mission Systems, Mitchel Field, New York, is awarded a $328,533,513 cost-plus-incentive-fee and cost-plus-fixed-fee contract (N00030-23-C-6045) for the U.S. and United Kingdom to provide Strategic Weapon System Trident Fleet support, Trident II Shipboard Integration Increment 8, and navigation subsystem development efforts. This contract award also benefits a foreign military sale to the United Kingdom. Work will be performed in Mitchel Field, New York (64%); Huntington Beach, California (24%); Clearwater, Florida (9%); Cambridge, Massachusetts (2%); and Manassas, Virginia (1%). Work is expected to be completed by Sept. 30, 2026. Fiscal 2023 operation and maintenance (Navy) funds in the amount of $13,181,524; and fiscal 2023 shipbuilding and conversion (Navy) funds in the amount of $17,386,309 will be obligated at time of award. Fiscal 2023 operation and maintenance (Navy) funds in the amount of $13,181,524 will expire at the end of the current fiscal year. This contract is being awarded as a sole-source pursuant to 10 U.S. Code 3204(a)(1) and (4). Strategic Systems Programs, Washington, D.C., is the contracting activity.