Pratt & Whitney Wages 'War on Cost' to Lower F135 Price
Pratt & Whitney said it has reduced the cost of the F135 turbofan by 55 percent since the sixth flight-test engine.
A Pratt & Whitney F135 turbofan, the engine used in the F-35 Lightning II, is mounted on a test stand. (Photo: Pratt & Whitney)
A Pratt & Whitney F135 turbofan, the engine used in the F-35 Lightning II, is mounted on a test stand. (Photo: Pratt & Whitney)