Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a not-to-exceed $524,100,000 undefinitized modification (P00015) to a previously awarded fixed-price incentive (firm target) advanced acquisition contract (N0001920C0009). This modification increases the ceiling to procure long-lead time materials, parts, components, and effort for the production of seven Lot 15 F-35A aircraft, two Lot 15 F-35B aircraft, seven Lot 16 F-35A, and two Lot 16 F-35B aircraft for the government of Italy. Work will be performed in Fort Worth (57%); El Segundo, Calif. (14%); Warton, United Kingdom (9%); Cameri, Italy (4%); Orlando, Fla. (4%); Nashua, N.H. (3%); Baltimore, Md. (3%); San Diego, Calif. (2%); Nagoya, Japan (2%); and various undisclosed locations outside the continental U.S. (2%), and is expected to be completed in June 2025. Non-U.S. Department of Defense participant funds in the amount of $524,100,000 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, Md., is the contracting activity. (Source: DoD, 08/09/22) Gulf Coast note: Eglin Air Force Base, Fla., is home of an F-35 training center and reprogramming labs.