The U.S. Air Force has estimated that modernizing 34 Lockheed Martin-built F-22 aircraft from a training configuration to an operational status would cost more than $1.7 billion over an 11-year period, FlightGlobal reported Thursday.
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The U.S. Air Force has estimated that modernizing 34 Lockheed Martin-built F-22 aircraft from a training configuration to an operational status would cost more than $1.7 billion over an 11-year period, FlightGlobal reported Thursday.
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