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Software to Power F-35 Running as Much as 14 Months Late

Software for Lockheed Martin Corp.’s F-35 jet, the Pentagon’s costliest weapons system, may be as much as 14 months late for required flight testing, according to a Pentagon review.

The projected delay to September 2017 concerns the final version needed to provide full combat capability for Air Force, Navy and Marine Corps variants of the Joint Strike Fighter, the Defense Department found in the report mandated by Congress.