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  1. The United States Navy is part of the United States Armed Forces (the military of the USA ). It is the largest navy in the world, with the estimated tonnage of its active battle fleet alone exceeding the next 13 navies combined, including 11 U.S. allies or partner nations.

  2. Structure of the United States Navy. 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.

  3. The United States Department of the Navy ( DON) is one of the three military departments within the Department of Defense of the United States of America. It was established by an Act of Congress on 30 April 1798, at the urging of Secretary of War James McHenry, to provide a government organizational structure to the United States Navy (USN ...

  4. The list of United States naval aircraft contains types currently used by the United States Navy. For a complete list of naval aircraft designated under pre-1962 United States Navy designation systems, see List of United States Navy aircraft designations (pre-1962); for aircraft without formal designations, see List of undesignated ...

  5. List of United States Navy ships is a comprehensive listing of all ships that have been in service to the United States Navy during the history of that service. The US Navy maintains its official list of ships past and present at the Naval Vessel Register (NVR), [1] although it does not include early vessels.

  6. Submarines in the United States Navy. There are three major types of submarines in the United States Navy: ballistic missile submarines, attack submarines, and cruise missile submarines. All submarines currently in the U.S. Navy are nuclear-powered. Ballistic missile submarines have a single strategic mission of carrying nuclear submarine ...

  7. Aviation electronics technician ( AT) is a US Navy enlisted rating or job specialty (often called MOS or AFSC by other services). At the paygrade of E-9 ( master chief petty officer ), ATs merge with the aviation electrician's mate (AE) rating to become avionics technicians (AV). There has been talk of completely merging the two ratings, but as ...