F-35 Fleet Grounded by Pentagon

The Pentagon on Friday grounded its fleet of F-35 fighter jets after discovering a cracked engine blade in one plane. The problem was discovered during what the Pentagon called a routine inspection at Edwards Air Force Base, Calif., of an F-35A, the Air Force version of the sleek new plane. The Navy and the Marine Corps are buying other versions of the F-35, which is intended to replace older fighters like the Air Force F-16 and the Navy F/A-18. All versions -- a total of 51 planes -- were grounded Friday pending a more in-depth evaluation of the problem discovered at Edwards. None of the planes have been fielded for combat operations; all are undergoing testing. http://www.cbsnews.com/8301-201_162-57570848/pentagon-grounds-f-35-fleet-after-engine-crack-found/

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