F-35 fleet grounded after testing ‘incident’

The entire fleet of the F-35A Joint Strike Fighters has been grounded after an incident during testing last week. The Air Force Times says prime contractor Lockheed Martin is investigating why AF-4, the fourth test plane, experienced a dual generator failure and oil leak during testing. It made it safely back to Edwards Air Force Base in California, but until the problem is figured out, all ten F-35 test aircraft operating at Edwards and Naval Air Station Patuxent River, Maryland are grounded.

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