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The F-35 is even more vulnerable to lightning and anti aircraft fire than previously reported.

Maximum g forces for continuous turns are now projected to be 4.6 g for the F-35A, 4.5 g for the F-35B, and 5.0 g for the F-35C.

The F-35C takes 43 seconds longer than an F-16 to accelerate from Mach 0.8 to Mach 1.2.

The F-35B and F-35C use almost all of their internal fuel before being able to achieve their maximum speed of Mach 1.6.

Test pilots said that poor visibility from the F-35 cockpit will get them "consistently shot down in combat."

The F-35 systems lack complete software in order that pilots can be trained safely.

Ejection seats are subject to numerous failures.

Avionics are unreliable and fail to respond to inputs.

Radar may not work properly, if at all.

Heat on the skin of the aircraft, generated by supersonic flight speeds, causes the stealth paint covering of the aircraft to wear out prematurely.

Engines that are supposed to be replaced in two hours have thus far taken about 52 hours to be replaced.

Tools assigned to maintain the aircraft fail to provide proper functionality.