Raytheon Technologies Corp., doing business at Pratt and Whitney Military Engines, East Hartford, Connecticut, is awarded an $8,050,161 modification (P00004) to a previously awarded fixed-price incentive (firm target), cost-plus-incentive-fee advanced acquisition contract (N0001923C0030). This modification provides the manufacture, assembly, inspection, and acceptance of affordability initiatives and projects under the F-35 Lot 18-19 contract to include North Berwick Aero Systems (NBAS) Real-Time Process Health Monitoring, NBAS Closed Door Machining Technology, NBAS High Pressure Compressor Super Polish, NBAS Machine Adaptive Control, and Aug Pilot Powdered Metal for the F135 and F-35 variants to support the production and delivery of Lots 18-19 and future propulsion systems for F-35 Lightning II Joint Strike Fighter aircraft in support of the Navy, Air Force, Marine Corp, and non-U.S. Department of Defense (DOD) participants. Work will be performed in East Hartford, Connecticut (61%) (labor surplus area); Charlottesville, Virginia (20%); and North Berwick, Maine (19%), and is expected to be completed in February 2028. Fiscal 2023 aircraft procurement (Air Force) funds in the amount of $3,298,498; fiscal 2023 aircraft procurement (Marine Corps) funds in the amount of $1,649,248; fiscal 2023 aircraft procurement (Navy) funds in the amount of $1,649,248; and non-U.S. DOD participant funds in the amount of $1,453,166 will be obligated at the time of award, $6,596,994 of which will expire at the end of the current fiscal year. The contract being modified was not competed. Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.