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The United States Navy ( USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the world's most powerful navy and the largest by tonnage, at 4.5 million tons in 2021 [9] and in 2009 an estimated battle fleet tonnage that exceeded the next 13 navies combined. [10]
U.S. Navy type commands perform administrative, personnel, and operational training functions in the United States Navy for a "type" of weapon system (e.g., naval aviation, submarine warfare, surface warships) within a fleet organization. Aircraft carriers, carrier airwings, aircraft squadrons, and naval air stations are under the ...
The organization of the Navy has changed incrementally over time. During World War II administrative organization for many ship types included divisions, for example Battleship Divisions (abbreviated BatDivs), Cruiser Divisions, Destroyer Divisions, or Escort Divisions (CortDivs, also rendered ComCortDiv for Commander, Escort Division), usually composed of two ships, often members of the same ...
The United States Naval Research Laboratory ( NRL) is the corporate research laboratory for the United States Navy and the United States Marine Corps. It was founded in 1923 and conducts basic scientific research, applied research, technological development and prototyping. The laboratory's specialties include plasma physics, space physics ...
The Naval Undersea Warfare Center ( NUWC) is the United States Navy's full-spectrum research, development, test and evaluation, engineering and fleet support center for submarines, autonomous underwater systems, and offensive and defensive weapons systems associated with undersea warfare. It is one of the corporate laboratories of the Naval Sea ...
USS George Washington Carrier Strike Group underway in the Atlantic USS Constitution under sail for the first time in 116 years on 21 July 1997 The United States Navy has approximately 475 ships in both active service and the reserve fleet; of these approximately 50 ships are proposed or scheduled for retirement by 2028, while approximately 85 new ships are in either the planning and ordering ...
USS United States, the first of the original six frigates of the United States Navy, seen here defeating HMS Macedonian in battle, before taking her as a prize during the War of 1812 USS Gerald R. Ford, as of 2018, is the US Navy's latest and most advanced nuclear powered aircraft carrier, and the largest naval vessel in the world.
Navy. A navy, naval force, military maritime fleet, war navy, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake -borne, riverine, littoral, or ocean -borne combat operations and related functions.