Pratt & Whitney is defining a new engine upgrade option for F-35s delivered starting after 2026, says Matthew Bromberg, president of Military Engines. The upgrades, the details of which will be defined in about six months, are focused on improvements to the fan and the engine accessories, Bromberg told Aerospace DAILY during a Sept. 17 interview on the sidelines of the Air Force Association’s Air, Space and Cyber Conference. The intent is to deliver options for improving thrust ...

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