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UNITED STATES - JULY 07: U.S. Air Force Chief of Staff General Michael T. Moseley names Lockheed Martin Corp.'s new F-35 jet, Lighting II, in Fort Worth, Texas, Friday July 7, 2006. The new jet, previously called the Joint Strike Fighter, and the Pentagon's most expensive weapons program ever, was officially named Lightning II, recalling a Second World War-era fighter also made by the company. (Photo by Mike Fuentes/Bloomberg via Getty Images)

UNITED STATES - JULY 07:  U.S. Air Force Chief of Staff General Michael T. Moseley names Lockheed Martin Corp.'s new F-35 jet, Lighting II, in Fort Worth, Texas, Friday July 7, 2006. The new jet, previously called the Joint Strike Fighter, and the Pentagon's most expensive weapons program ever, was officially named Lightning II, recalling a Second World War-era fighter also made by the company.  (Photo by Mike Fuentes/Bloomberg via Getty Images)