The Marine Corps will declare the F-35B operational before completing engine bulkhead modifications, according to the service's top officer. Marine Corps Commandant Gen. James Amos was updated last week on an engineering fix for the F-35B short-take-off-and-vertical-landing defective engine bulkhead, he told reporters after a June 24 event in Washington. Last year, the F-35 joint program office began a root-cause analysis on the F-35B ground article used for durability testing in which cracks were found in the bulkhead. The bulkhead...
