Raytheon Technologies Corp., doing business at Pratt and Whitney Military Engines, East Hartford, Connecticut, is awarded a $301,762,768 modification (P00002) to a previously awarded fixed-price-incentive (firm-target), cost-plus-incentive-fee advanced acquisition contract (N0001923C0030). This modification procures Lot 19 long-lead time materials as well as the manufacture, assembly, inspection, acceptance, and delivery of 108 conventional takeoff and landing F135 propulsion systems, 27 short takeoff and vertical landing F135 propulsion systems, and 13 Carrier Variant F135 propulsion systems. Additionally, this effort provides global spares requirements to include spare engines, power modules, and other hardware supporting the Navy, Air Force, Marine Corp, non-U.S. Department of Defense (DOD) participants and Foreign Military Sales (FMS) customers. Work will be performed in East Hartford, Connecticut (17%) (labor surplus area); Indianapolis, Indiana (10%); Middletown, Connecticut (8%); Kent, Washington (7%); North Berwick, Maine (4%); El Cajon, California (3%) (labor surplus area); Cromwell, Connecticut (3%); Whitehall, Michigan (3%) Portland, Oregon (2%); San Diego, California (2%); South Bend, Indiana (2%); Columbus, Georgia (1%); Hampton, Virginia (1%); Manchester, Connecticut (1%), Cheshire, Connecticut (1%); Elmwood Park, New Jersey (1%); and various locations outside the continental U.S. (34%), and is expected to be completed in June 2027. Fiscal 2024 aircraft procurement (Air Force) funds in the amount of $45,759,000; fiscal 2024 aircraft procurement (Marine Corps) funds in the amount of $21,319,250; fiscal 2024 aircraft procurement (Navy) funds in the amount of $18,408,000; FMS customer funds in the amount of $195,364,769; and non-U.S. DOD participant funds in the amount of $20,911,749, will be obligated at the time of award, none of which will expire at the end of the current fiscal year. Naval Air Systems Command (NAVAIR), Patuxent River, Maryland, is the contracting activity.