Rolls-Royce says it has completed two key milestone deliveries for the Lockheed Martin F-35 Lightning II programme as production matures for the aircraft's lift system. The company recently delivered the fiftieth three-bearing swivel module and fortieth lift fan for F-35B aircraft manufactured by Lockheed Martin.

Tom Bell, president of Rolls-Royce's defence business says: "These key milestone deliveries demonstrate maturity in both production and in the world-class technology of the lift system."

Lockheed Martin has thus far delivered 26 F-35Bs and the fleet has surpassed 3,000 flight hours. The B-model has completed about 750 short take-offs and more than 400 vertical landings.

In May 2013, an F-35B test aircraft completed the first vertical take-off in programme history.

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Source: Flight Daily News