Raytheon Technologies Corp., doing business as Pratt and Whitney Military Engines, East Hartford, Connecticut, is awarded a $59,318,284 fixed-price-incentive-fee modification (P00018) to a previously awarded contract (N0001920C0011). This modification adds scope to procure Lot 16 advanced long lead time hardware in support of Lot 18 F135 propulsion systems for the F-35 Lighting II Joint Strike Fighter aircraft in support of the Navy, Air Force, Marine Corps, Foreign Military Sales (FMS) customers, and non-U.S. Department of Defense (DOD) participants. Work will be performed in East Hartford, Connecticut (20%) (labor surplus area); Indianapolis, Indiana (14.8%); Minneapolis, Minnesota (10.9%); Rocky Mountain, North Carolina (9.4%); Cleveland, Ohio (6.2%); Hartford, Connecticut (2.3%) (labor surplus area); Laconia, New Hampshire (2.3%); Detroit, Michigan (1.6%); Joplin, Missouri (1.6%); Redmond, Oregon (1.6%); Phoenix, Arizona (1%); various locations within the continental U.S. (CONUS) (1.6%); and various locations outside the CONUS (26.7%), and is expected to be completed in December 2025. Fiscal 2023 aircraft procurement (Navy) funds in the amount of $21,033,671; fiscal 2023 aircraft procurement (Air Force) funds in the amount of $492,144; FMS customer funds in the amount of $36,336,245; and non-U.S. DOD participant funds in the amount of $1,456,224, 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.