The Air Force's fiscal year 2020 budget proposes a flat F-35 procurement rate that would buy 48 jets per year across the future years defense program -- a reduction the service plans to offset by purchasing 80 Boeing-made F-15EX aircraft over that same period. An Air Force official confirmed the F-35 FYDP quantities to Inside Defense March 12. The service has not yet released detailed budget justification documents. In the weeks leading up to the budget release, Air Force...