GE and Rolls Royce end project for F-35 engines

General Electric Co and Rolls Royce have ended their project to build an alternate engine for Lockheed Martin Corp's F-35 joint strike fighter, reports Reuters.
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The decision announced last Friday, is a boost for United Technologies Corp's Pratt & Whitney unit, maker of the engine used in the F-35's early production models.

"The decision, reached jointly by GE and Rolls-Royce leadership, recognises the continued uncertainty in the development and production schedules for the JSF programme," the companies said.