– Pentagon grounds F-35 fleet after engine crack found (CBS News, Feb 22, 2013):
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.
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