Sikorsky Aircraft Corp., Stratford, Connecticut, is awarded a $10,587,984 cost-plus-fixed-fee order (N00019-21-F-0159) against previously issued basic ordering agreement N00019-19-G-0029.  This order provides for the development of Phase One structural repair manuals for the CH-53K aircraft.  The repair manuals address organizational level repairs pertaining to airframe skins, doors and covers, tail cone, main and tail blade erosion repair, as well as non-destructive inspection procedures and standards.  Work will be performed in Shelton, Connecticut (43%); Stratford, Connecticut (41%); and Bohemia, New York (16%), and is expected to be completed in April 2023.  Fiscal 2020 research, development, test and evaluation (Navy) funds in the amount of $4,930,357 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.