Sikorsky Aircraft Corp., a Lockheed Martin Co., Stratford, Connecticut, is awarded an $11,899,240 modification (P00007) to a cost-plus-fixed-fee order (N0001919F2972) against a previously issued basic ordering agreement (N0001919G0029). This modification provides non-recurring engineering to include investigations, systems engineering support, risk analysis and integration development in support of the CH-53K Data Transfer Unit and Defensive Electronic Countermeasure System Replacement Phase III, to replace existing subsystems within the CH-53K production aircraft. Work will be performed in Patuxent River, Maryland (54.5%); Stratford, Connecticut (28.5%); Cedar Rapids, Iowa (11.5%); Fort Worth, Texas (4.5%); and Vergennes, Vermont (1.0%), and is expected to be completed in June 2024. Fiscal 2021 aircraft procurement (Navy) funds in the amount of $10,079,034 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.