Pratt & Whitney is framing its F135 upgrade effort as the first step in a long-term roadmap for fighter propulsion based on adaptive technology. The manufacturer hit a new milestone in its roadmap for upgrading the F135 turbofan that powers the Joint Strike Fighter, and is looking to leverage that success to help secure the next generation of fighter propulsion. The engine maker recently completed key tests of a proposed core upgrade package for the engine, confirming the potential for ...


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