The US Navy is the unquestioned dominant naval force in the world.
In terms of both absolute tonnage and technical superiority, the US Navy is the the world's largest and most advanced maritime military force. The capabilities of the US Navy are further enhanced and augmented by a its military alliances like NATO, where the US plays a key role.
The following graphic from Naval Graphics shows every vessel currently serving in the US Navy as of April 2015:
美国海军是世界上无可争议的主导海军力量。
在这两个绝对的吨位和技术上的优势而言，美国海军是世界上最大，最先进的海上军事力量。美国海军的能力进一步提高，并通过其军事联盟北约一样，在美国起到了关键性作用扩充。
从海军图形下图显示了每个当前服务的美国海军2015年四月船舶：

The backbone of the US Navy and the major tool of American power projection around the world is the aircraft carrier. The US currently employs 10 carriers in its fleet, by far the most of any other nation. India, which is currently constructing its third carrier , has the second-most carriers in the world.
A second major advantage that the US has is its fleet of nuclear-powered ballistic missile and attack submarines. These vessels are capable of operating for months at a time between restocking supplies and function as both a nuclear deterrent as well a hunting role against enemy submarines and ships.
美国海军和世界各地的美国的力量投射的主要工具的骨干是航母。美国现有员工10载体在其船队，是迄今为止最任何其他国家。印度，这是目前正在建设其第三载体，拥有第二大载体在世界上。
说美国有第二个主要优点是核动力弹道导弹攻击潜艇船队。这些船只能够在补货物资和功能之间的一个时间为两个核威慑力量以及对抗敌方潜艇和军舰狩猎的作用运行了几个月。