美国海军希望在未来三十年内将世界各地海洋中的战队船只数量增加一倍，包括296艘船，包括潜艇，航空母舰和驱逐舰，到381。这是。美国造船业多年的进步。报告说，新建的船只无法按预期运行，并且船只的运输时间比命令晚三年，但该报告表示，在过去的二十年中，海军几乎将其造船预算翻了一番，但根据Gao..seidle的投资，它的投资率更高，包括“在他的证明期间”提高了现代化的想法，并没有达到计划的投资，并没有达到现代化的想法。 retention, and improved supply chain performance.”In a statement to the Senate Armed Services Committee, Shelby S. Oakley, a director at GAO, said that unrealistic expectations of costs and timing has diverted resources and introduced delays in shipbuilding, with the result that Navy programs and shipbuilders have been “effectively made to operate in a perpetual state of triage.”“We found that Navy ships cost billions more and take years longer to build比计划的虽然质量和性能不足，但期望