The first F-35A Lightning II test aircraft arrive at Edwards Air Force Base, Calif. The Pentagon has cleared the test fleet for flight, but the Air Force’s production aircraft remain grounded.Joint Strike Fighter Test Fleet Cleared To Fly -- Air Force Times
The F-35 Lightning II test fleet has been cleared for flight, but the Air Force’s production aircraft at Eglin Air Force Base, Fla., are still grounded, the Pentagon announced Thursday.
An Air Force safety investigation board is continuing its investigation of the failure of the AF-4’s Integrated Power Package on Aug. 2, which led to the grounding of the entire fleet of 20 aircraft. The AF-4 is the fourth conventional takeoff and landing variant produced by Lockheed Martin.
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More News On The F-35
F-35 test jets cleared to fly again -- DoD Buzz
The F-35 Is Cleared to Fly Again (And Still Not Fixed) -- Gizmodo
Air Force Lifts Flight Ban on Lockheed F-35 Fighter Jet -- Bloomberg
F-35s cleared to resume test flights -- Sky-Talk/Star Telegram
Pentagon Clears F-35 Test Fleet to Fly Again -- defense News