Sikorsky Aircraft Corp., a Lockheed Martin Co., Stratford, Connecticut, is awarded a $155,240,914 modification (P00002) to previously awarded firm-fixed-price advanced acquisition contract N00019-20-C-0047.  This modification exercises an option to provide long lead parts and components in support of nine Lot Six CH-53K aircraft.  Work will be performed in Stratford, Connecticut, and is expected to be completed in February 2022.  Fiscal 2021 aircraft procurement (Navy) funds in the amount of $155,240,914 will be obligated at 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.