Northrup Grumman Systems Corp. Aerospace Systems, Melbourne, Florida, is awarded a $1,456,019,386 modification (P00086) to a previously awarded fixed-priced-incentive-fee, cost-plus-fixed-fee, cost contract (N0001918C1037). This modification procures nine E-2D Advanced Hawkeye aircraft (four for the Navy and five for Japan), to include over and above support. Work will be performed in Saint Augustine, Florida (25.3%); Liverpool, New York (17.4%); Melbourne, Florida (7.6%); Indianapolis, Indiana (5.5%); Menlo Park, California (3.8%); Rolling Meadows, Illinois (3.6%); El Segundo, California (2.6%); Aire-sur-l’Adour, France (2.6%); Woodland Hills, California (2.0%); Edgewood, New York (1.7%); Greenlawn, New York (1.3%) Torrance, California (1.3%); Owego, New York (1.3%); Windsor Locks, Connecticut (1.0%); and various locations within the continental U.S. (23%), and is expected to be completed in March 2029. Fiscal 2024 aircraft procurement (Navy) funds in the amount of $369,025,770; Fiscal 2023 aircraft procurement (Navy) funds in the amount of $320,350,102; and Foreign Military Sales customer funds in the amount of $766,643,514, will be obligated at the time of award, none of which will expire at the end of the fiscal year. Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.