Sikorsky Aircraft Corp., a Lockheed Martin Co., Stratford, Connecticut, is awarded a $26,985,285 cost-plus-fixed-fee modification (P00010) to an order (N0001919F2972) against a previously issued basic ordering agreement (N0001919G0029). This modification adds scope for the initial and final technical directive to install the data transfer unit and Defensive Electronic Countermeasure System Replacement Phase III ARC-210 components into the CH-53K aircraft, support flight planning and testing of the components and supportability products for the U.S. Navy. Work will be performed in Stratford, Connecticut (37%); Patuxent River, Maryland (28%); Cedar Rapids, Iowa (15%); Bohemia, New York (11%); Fort Worth, Texas (5%); West Palm Beach, Florida (2%); and Owego, New York (2%), and is expected to be completed in April 2025. Fiscal 2022 aircraft procurement (Navy) funds in the amount of $26,985,285 will be obligated at the time of award, none of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.