For the first time in the Joint Strike Fighter’s history, the Pentagon has released F-35 sustainment affordability constraint data by aircraft variant, in a report viewed by Aerospace DAILY. The largest gap is what the U.S. Air Force can afford to sustain the F-35A conventional-takeoff-and-landing variant. The aircraft costs $7.1 million annually to maintain but the service has budgeted only $4.1 million per jet, which is a 43% difference. The sustainment estimate cited in a December ...


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