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Lockheed Martin F-35 Operating Costs May Reach $1 Trillion

It may cost as much as $1 trillion to operate the military’s fleet of Lockheed Martin Corp. F-35 aircraft for several decades, according to a preliminary Pentagon estimate sent to Congress.

The figure is 9.3 percent more than the $915 billion estimate by the Defense Department in its 2009 Selected Acquisition Report to Congress.