As another turbulent year for the F-35 Joint Strike Fighter draws to a close, Pratt & Whitney is optimistic that 2012 could prove a potential watershed for the program and its F135 engine. Ahead lie the challenges of ramping up production, reducing costs and completing improvements to the F-35B short-takeoff-and-vertical-landing (Stovl) propulsion system. Left behind is the haunting specter of the General Electric/Rolls-Royce F136 alternate engine as well as the teething problems ...


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