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 largest and most powerful 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 as of 2015. It has the highest combined battle fleet tonnage (4,635,628 tonne as of 2019) and the world’s largest aircraft carrier fleet, with eleven in service.
United States Navy
Armada de los Estados Unidos
With 336,978 personnel on active duty and 101,583 in the Ready Reserve, the U.S. Navy is the third largest of the U.S. military service branches in terms of personnel. It has 290 deployable combat vessels and more than 2,623 operational aircraft as of 2019.
The U.S. Navy traces its origins to the Continental Navy, which was established during the American Revolutionary War and was effectively disbanded as a separate entity shortly thereafter. After suffering significant loss of goods and personnel at the hands of the Barbary pirates from Algiers, the U.S. Congress passed the Naval Act of 1794 for the construction of six heavy frigates, the first ships of the U.S. Navy. The U.S. Navy played a major role in the American Civil War by blockading the Confederacy and seizing control of its rivers.
美國海軍
Marinha dos Estados Unidos
The U.S. Navy played the central role in the World War II defeat of Imperial Japan. It emerged from World War II as the most powerful navy in the world. The 21st century U.S. Navy maintains a sizable global presence, deploying in strength in such areas as the Western Pacific, the Mediterranean, and the Indian Ocean. It is a blue-water navy with the ability to project force onto the littoral regions of the world, engage in forward deployments during peacetime and rapidly respond to regional crises, making it a frequent actor in U.S. foreign and military policy.
Военно-морские силы США, ВМС США
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The U.S. Navy is part of the Department of the Navy, alongside the U.S. Marine Corps, which is its coequal sister service. The Department of the Navy is headed by the civilian Secretary of the Navy. The Department of the Navy is itself a military department of the Department of Defense, which is headed by the Secretary of Defense. The Chief of Naval Operations (CNO) is the most senior Navy officer serving in the Department of the Navy.
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U.S. Navy
The names of commissioned ships of the U.S. Navy are prefixed with the letters “USS”, designating “United States Ship”. Non-commissioned, civilian-manned vessels of the navy have names that begin with “USNS”, standing for “United States Naval Ship”. The names of ships are officially selected by the secretary of the navy, often to honor important people or places. Additionally, each ship is given a letter-based hull classification symbol (for example, CVN or DDG) to indicate the vessel’s type and number. All ships in the navy inventory are placed in the Naval Vessel Register, which is part of “the Navy List” (required by article 29 of the United Nations Convention on the Law of the Sea). The register tracks data such as the current status of a ship, the date of its commissioning, and the date of its decommissioning. Vessels that are removed from the register prior to disposal are said to be stricken from the register. The navy also maintains a reserve fleet of inactive vessels that are maintained for reactivation in times of need.
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