Air Force Grounds Its Lockheed F-35s After Fire

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The U.S. Air Force today grounded its fleet of F-35 fighter jets made by Lockheed Martin Corp. as a safety precaution after a fire on one of the planes forced an aborted takeoff.

The temporary suspension of flight operations applies to the Air Force’s 45 “A model” planes. The Defense Department didn’t direct a halt to tests of the Marine Corps and Navy versions of the jet, known as the Joint Strike Fighter.