The Air Force's fiscal year 2018 budget request nearly doubles its investment in F-22 research and development -- a boost that service officials say is critical to keep the fifth-generation jet flying through 2060. The Air Force's FY-19 budget, if approved, would accelerate development work for future F-22 upgrades -- adding $624.5 million in research and development, up from the $423 million the service projected it would need in its FY-17 budget request. In joint testimony to the House Armed...
