Structure of the United States Navy

![Numbered fleets of the United States Navy. In 2011, the Second Fleet was disestablished and merged into United States Fleet Forces Command[4]](/uploads/202501/30/USN_Fleets_(2009)1235.png)
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The structure of the United States Navy consists of four main bodies: the Office of the Secretary of the Navy, the Office of the Chief of Naval Operations, the operating forces (described below), and the Shore Establishment.