After a long battle to edge rival General Electric out of the F-35 engine market, Pratt & Whitney succeeded in 2011. GE announced it would shelve the F136 after the Pentagon refused to fund it for four years, leaving Pratt in the coveted position of a sole-source engine supplier for the largest international fighter program ever. Three years later, though, Pratt states that its position with its F135 engine is so potentially competitive it cannot comply with the customer’s request ...


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