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The United States Navy (USN) is the branch of the United States armed forces responsible for naval operations. The U.S. Navy consists of slightly fewer than 300 ships and over 4,000 operational aircraft. It has over a half million men and women on active or ready reserve duty.

The United States Navy traces its origins to the Continental Navy, which the Continental Congress established during the American Revolutionary War. The United States Constitution, ratified in 1789, empowered Congress "to provide and maintain a navy." Acting on this authority, Congress ordered the construction and manning of six frigates; one of the original six, the USS Constitution, familiarly known as "Old Ironsides," survives to this day.

The War Department administered naval affairs from that year until Congress established the Department of the Navy on April 30, 1798Events February- October Irish Rebellion of 1798 April 7 The Mississippi Territory is organized from territory ceded by Georgia and South Carolina and is later twice expanded to include disputed territory claimed by both the U. and Spain April 26 France a. The Navy became part of the Department of DefenseThe United States Department of Defense abbreviated DoD or DOD and sometimes called the Defense Department is a civilian Cabinet organization of the United States government. The Department of Defense controls the U. military and is headquartered at The P upon its establishment in 1947Events January January 1 British mines nationalized January 1 Nigeria gains limited autonomy January 1 The Canadian Citizenship Act went into effect January 3 Proceedings of the United States Congress are televised for the first time. January 10 United Na.

400px USS Nimitz (CVN 68)Career Laid down: 22 June 1968 Launched: 13 May 1972 Commissioned: 3 May 1975 Fate:on active service General Characteristics Displacement:98,500 tons full Length:333 m (1092 ft) Beam:41 m (134 ft) Extreme Width:76. 8 m (252 ft) Draft:12 m (40 ft) Speed:30 (back), USS Port Royal (CG 73)The USS Port Royal (CG-73 is a United States Navy guided missile cruiser, the last to be constructed in the 20th century, and the first cruiser to integrate women into the crew. The ship was laid down 18 October 1991 by Ingalls Shipbuilding at Pascagoula, (middle) and USS Annapolis (SSN 760)USS Annapolis (SSN-760 a Los Angeles class submarine, was the fourth ship of the United States Navy to be named for Annapolis, Maryland, site of the United States Naval Academy. The contract to build her was awarded to the Electric Boat Division of Genera (front)

1 History of the Navy

Main article: History of the United States NavyThe history of the United States Navy divides into two major periods: the "Old Navy", a small but respected force of sailing ships that was also notable for innovation in the use of ironclads during the American Civil War, and the "New Navy", the result o

The Continental Navy was established by the Continental Congress on October 13, 1775, who authorized the procurement, fitting out, manning, and dispatch of two armed vessels to cruise in search of munitions ships supplying the British Army in America. The legislation also established a Naval Committee to supervise the work. All together, the Continental Navy numbered some fifty ships over the course of the American Revolutionary War, with approximately twenty warships active at its maximum strength.

After the American War for Independence, Congress sold the surviving ships of the Continental Navy and released the seamen and officers. In accordance with the Constitution, Congress ordered the construction and manning of six frigates on March 27, 1794 and in 1797 the first three frigates, USS United States, Constellation and Constitution went into service. The frigates became famous in the War of 1812, where they unexpectedly defeated the British Royal Navy on a number of occasions.

During the American Civil War, the Navy was an innovator in the use of ironclad warships, but after the war slipped into obsolescence. A modernization program beginning in the 1880s brought the U.S. into the first rank of the world's navies by the beginning of the 20th century.

The Navy saw relatively little action during World War I, but the primary goal of the attack on Pearl Harbor was to cripple the Navy in the Pacific Ocean. The action was strategically ineffective, however, and during the next three years of hard fighting, the U.S. Navy grew into the largest and most powerful navy the world had ever seen.




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