The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest, most capable navy in the world,[7][8][9] with the highest combined battle fleet tonnage.[10][11] The U.S. Navy has the world's largest aircraft carrier fleet, with ten in service, two in the reserve fleet,[12] and three new carriers under construction.[13] The service has 323,792 personnel on active duty and 108,515 in the Navy Reserve. It has 274 deployable combat vessels and more than 3,700 aircraft in active service as of October 2016.[3]
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. It played a major role in the American Civil War by blockading the Confederacy and seizing control of its rivers. It played the central role in the World War II defeat of Imperial Japan. 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 areas[clarification needed] during peacetime, and rapidly respond to regional crises, making it a frequent actor in U.S. foreign and military policy.
The Navy is administratively managed by the Department of the Navy, which is headed by the civilian Secretary of the Navy. The Department of the Navy is itself a division of the Department of Defense, which is headed by the Secretary of Defense. The Chief of Naval Operations (CNO) is a four-star admiral and the senior naval officer of the Department of the Navy.[14] The CNO may not be the highest ranking naval officer in the armed forces if the Chairman or the Vice Chairman of the Joint Chiefs of Staff, who by law outrank the CNO, are Navy officers.
Source: https://en.wikipedia.org/wiki/United_States_Navy
More Navy: https://www.youtube.com/watch?v=TzQrikXPUdw&list=PLsWKNvuOwNpJCw45OUYZ6TIW7LRUdXXFl
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