Summary and Key Points: The US Air Force is spending $10,900,000,000 to modernize a stealth fighter it can never build another one of. Lockheed Martin received the contract in 2021, sixteen years after the F-22 Raptor entered service in 2005 and ten years after the production line shut down in 2011. The money buys stealth coatings, avionics, software, sensors, new infrared defensive systems, and radar improvements. It does not buy internal volum…