Raytheon Technologies Corp., Pratt & Whitney Military Engine, East Hartford, Connecticut, is awarded a $66,084,257 modification (P00002) to a cost-plus-fixed-fee order (N0001923F0019) against a previously issued basic ordering agreement (N0001921G0005). This modification definitizes the order to provide design engineering, program management support, technology maturation, risk reduction, long lead material and hardware, and weapons system integration to support F135 engine enhancement efforts for the F-35 Lightning II program. Work will be performed in East Hartford, Connecticut (92%); and Indianapolis, Indiana (8%), and is expected to be completed in February 2024. Fiscal 2023 research, development, test and evaluation (Air Force) funds in the amount of $32,442,129; and fiscal 2022 research, development, test and evaluation (Air Force) funds in the amount of $28,625,000 will be obligated at the time of award, $28,625,000 of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.