F-22 Development Delays and Security

The F-22 Raptor's development took so long that by its first production flight in 1997, its onboard CPUs had become obsolete by three generations, necessitating the redesign of its flight computer using PowerPC processors. Former Navy Secretary John Lehman commented that the F-22 is "safe from cyber attack" because "no one in China knows how to program the '83 vintage IBM software that runs them."

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