Milestone Engine For F-35

Posted 20 January 2010

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F-35 Lightning II

Pratt & Whitney Photograph

Pratt & Whitney delivered the first F135 production engine for the F-35 Lightning II to the Lockheed Martin facility in Fort Worth, Texas, in late January 2010. The F135 has accrued more than 13,000 test hours during its development program. The F135 is derived from the F119 engine that powers the F-22. In a related note, P&W delivered the 400th F119 to the Lockheed Martin facility in Marietta, Georgia, at the end of November 2009. The F119 has surpassed more than 125,000 operational flight hours since the F-22 was first flown in 1997.

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