Rolls-Royce Corp., Indianapolis, Indiana, is awarded a $26,499,696 modification (P00025) to a previously awarded firm-fixed-price contract (N0001917C0081). This modification exercises an option that provides for the production and delivery of eight AE1107C engines for the Navy and four for the Air Force in support of the V-22 Osprey. Work will be performed in Indianapolis, Indiana, and is expected to be completed in December 2022. Fiscal 2021 aircraft procurement (Navy) funds in the amount of $17,666,464; and fiscal 2021 aircraft procurement (Air Force) funds in the amount of $8,833,232 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.