The Boeing Co., St. Louis, Missouri, has been awarded an indefinite-delivery/indefinite-quantity contract with a program ceiling of $975,000,000 for technology maturation and risk reduction activities through design, analysis, rig testing, prototype engine testing, and weapon system integration. The contract is for the execution of the prototype phase of the Next Generation Adaptive Propulsion program and is focused on delivering capability enabling propulsion systems for future air dominance platforms and digitally transforming the propulsion industrial base. Work will be performed in St. Louis, Missouri, and is expected to be complete by July 11, 2032. This award is the result of a request for proposal. Air Force Life Cycle Management Center, Wright-Patterson Air Force Base, Ohio, is the contracting activity (FA8626-22-D-0003).