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takyon writes:

The Lockheed Martin F-35 Lightning II multirole fighter plane has numerous software and hardware flaws. So many, in fact, that it won't be ready to deploy before 2019:

The F-35 multirole fighter won't be close to ready before 2019, the US House Armed Services Committee was told on Wednesday. The aircraft, which is supposed to reinvigorate the American military's air power, is suffering numerous problems, largely down to flaws in the F-35's operating system. These include straightforward code crashes, having to reboot the radar every four hours, and serious security holes in the code.

Michael Gilmore, the Pentagon's director of operational test and evaluation, reported that the latest F-35 operating system has 931 open, documented deficiencies, 158 of which are Category 1 – classified as those that could cause death, severe injury, or severe illness. "The limited and incomplete F-35 cybersecurity testing accomplished to date has nonetheless revealed deficiencies that cannot be ignored," Gilmore said in his testimony [PDF]. "Cybersecurity testing on the next increment of ALIS [Autonomic Logistics Information System] – version 2.0.2 – is planned for this fall, but may need to be delayed because the program may not be able to resolve some key deficiencies and complete content development and fielding as scheduled."

He reported that around 60 per cent of aircraft used for testing were grounded due to software problems. He cited one four-aircraft exercise that had to be cancelled after two of the four aircraft aborted "due to avionics stability problems during startup."

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