Sikorsky Aircraft Corp., a Lockheed Martin Co., Stratford, Connecticut, is awarded a $9,493,860 firm-fixed-price order (N0001921F0434) against a previously issued basic ordering agreement (N0001919G0029). This order provides systems engineering and program management services in support of CH-53K low rate initial production Lots 5 and 6 aircraft rate tooling. Work will be performed in Rochester, United Kingdom (67.6%); Kent, Washington (14.3%); Stratford, Connecticut (12. 9%); Berlin, Connecticut (4.6%); Madrid, Spain (0.4%); and Cudahy, Washington (0.2%), and is expected to be completed in December 2024. Fiscal 2021 aircraft procurement (Navy) funds in the amount of $9,493,860 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.