One of the most intriguing recent comments by U.S. Navy brass is that the service has determined it would be cheaper in the long run to rebuild superstructures on its aging cruiser fleet using traditional metalwork instead of composites. The Navy acknowledges every guided-missile cruiser has been subject to some crack repair. The ships have a steel hull, but an aluminum alloy is used on the superstructure, which is exposed to high temperatures from exhaust and other environmental ...

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