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Pratt & Whitney have form in laziness as a sole source - hence the F110. Admittedly some time ago P&W were then added as a second source for F404 engines to keep GE honest. GE then got that back, but with the threat that P&W could step in if needed.No reason why GE couldn't make F135s as a second source.
Pratt & Whitney have form in laziness as a sole source - hence the F110. Admittedly some time ago P&W were then added as a second source for F404 engines to keep GE honest. GE then got that back, but with the threat that P&W could step in if needed.
No reason why GE couldn't make F135s as a second source.