New problems disclosed on 2 models of F-35

The F-35 Lightning II strike fighter has previously undisclosed problems with its handling, avionics, afterburner and helmet-mounted display, according to a report by the Pentagon’s Director of Operational Test and Evaluation.

Both the Air Force F-35A variant and Marine Corps’ F-35B model experienced “transonic wing roll-off, [and] greater than expected sideslip during medium angle-of-attack testing,” the report said.

The report also says that various components are not as reliable as expected.

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