Lockheed, Pentagon Address F-35B Bulkhead Cracks

Credit: Lockheed Martin
Lockheed Martin is designing a fix to address cracks found in one of four primary wing carry-through bulkheads on an F-35B ground-test article that was undergoing durability tests for a second life of service beyond 8,000 flying hours. The suspect bulkhead is the same structure found in 2010 to have...

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