The Boeing Co., Seattle, Washington, was awarded a not-to-exceed $1,200,000,000 undefinitized contract action for the E-7A Rapid Prototype program. This contract provides for the initiation of the development activities for the program. Work will be performed in Seattle, Washington, and is expected to be complete by August 2024. This contract is the result of a sole source acquisition. Fiscal 2022 and 2023 research and development funds in the amount of $134,079,602 are being obligated at the time of award. Air Force Life Cycle Management Center, Hanscom Air Force Base, Massachusetts, is the contracting activity (FA8730-23-C-0025).