More analysis needed on destroyer plan

Chief Pentagon arms buyer John Young said he still had questions on Thursday about the U.S. Navy's decision to halt the DDG-1000 destroyer program at three ships and build older model DDG-51 destroyers instead.

"There's a substantial amount of additional analytical work to be done," Young told reporters at his Pentagon office.

Any move by the Navy to build just a few more DDG-51 destroyers would be "very expensive," he said.

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