The U.S. Navy continues to investigate a crack found in a wing section test article of a non-flying F-14 Tomcat to determine if the problem is fleet-wide or just an anomaly. The service is attempting to stretch the life of the aging Northrop Grumman jet, set for replacement by the Boeing F/A-18E/F, to 118% fatigue life expended, or FLE. The crack, discovered in June, marks the second found in structural fatigue tests of the F-14's movable outer wings since 1997, raising red flags ...

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