Raytheon Technologies Corp., Pratt and Whitney Military Engines, East Hartford, Connecticut, is awarded a not-to-exceed $72,791,833 cost-plus-fixed-fee, fixed-price incentive (firm target) undefinitized order (N0001923F0010) against a previously issued basic ordering agreement (N0001922G0001). This order provides non-recurring engineering in support of early identification, development, and qualification of corrections to potential and actual F135 propulsion system operational issues, to include safety and reliability/maintainability problems identified through fleet usage. Additionally, this order provides for continued engine maturation, evaluates component life limits based on operational experience, improves operational readiness, and reduces engine maintenance and life cycle costs in support of the F-35 Lightning II program. Work will be performed in East Hartford, Connecticut (90%); and Indianapolis, Indiana (10%), and is expected to be completed in December 2026. Fiscal 2023 research, development, test and evaluation (Navy) funds in the amount of $10,200,000; and fiscal 2023 research, development, test and evaluation (Air Force) funds in the amount of $2,601,833 will be obligated at time of award, none of which will expire at the end of the fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.