The Boeing Co., St. Louis, Missouri, has been awarded a not-to-exceed $471,313,000 undefinitized contract action for the F-15 Japan Super Interceptor Program. The contract action provides for the design and development of an integrated suite of aircraft systems to support modification of the Japan Air Self Defense Force F-15MJ aircraft and the development, test, and delivery of four Weapon System Trainers. Work will be performed in St. Louis, Missouri, and is expected to be completed by Dec. 31, 2028. This contract involves 100 percent Foreign Military Sales to Japan. This award is the result of a sole source acquisition. Foreign Military Sales funds in the amount of $48,260,100 are being obligated at the time of award. Air Force Life Cycle Management Center, Wright-Patterson Air Force Base, Ohio, is the contracting activity (FA8634-22-C-2705).