Portal:United States Navy
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 The US Navy (also known as USN or the U.S. Navy) is a branch of the United States armed forces responsible for conducting naval operations. Its stated mission is "to maintain, train and equip combat-ready Naval forces capable of winning wars, deterring aggression and maintaining freedom of the seas." The U.S. Navy currently has nearly 500,000 personnel on active duty or in the Navy Reserve and operates 278 ships in active service and more than 4,000 aircraft. The United States Navy traces its origins to the Continental Navy, which was established during the American Revolutionary War and was World War II. Operating in both the European and Pacific theatres, it was a part of the conflict from the onset of American military involvement — the Attack on Pearl Harbor — to Japan's official surrender on the deck of the USS Missouri. The U.S. Navy had a role in the subsequent Cold War, in which it evolved into a nuclear deterrent and crisis response force while preparing for a possible global war with the Soviet Union. The 21st century United States Navy maintains a sizeable presence in the world, deploying in such areas as East Asia, Southern Europe, and the Middle East. Its ability to project force onto the littoral regions of the world, engage in forward areas during peacetime, and rapidly respond to regional crises makes it an active player in American foreign and defence policy. Despite decreases in ships and personnel following the Cold War, the U.S. Navy has continued to spend more on technology development than any other and is the world’s largest navy with a tonnage greater than that of the next 17 largest combined.  USS Missouri (BB-63) ("Mighty Mo" or "Big Mo") is a U.S. Navy battleship, and was the third ship of the United States Navy to be named in honor of the U.S. state of Missouri. Among the Iowa-class battleships, Missouri is the final battleship to be built by the United States, and was the site of the Japanese surrender at the end of World War II. Missouri was ordered on 12 June 1940 and her keel was laid at the New York Navy Yard in the New York City borough of Brooklyn on 6 January 1941. During her career Missouri saw action in World War II during the Battle of Iwo Jima and the Battle of Okinawa, and shelled the Japanese home islands of Hokkaidō and Honshū. After World War II she returned to the United States before being called up and dispatched to fight in the Korean War. Upon her return to the United States she was decommissioned into the United States Navy reserve fleets, better known as the "Mothball Fleet" in 1955. She was reactivated and modernized in 1984 as part of the 600-ship Navy plan, and participated in the 1991 Gulf War. Missouri was decommissioned a final time on 31 March 1992, having received a total of eleven battle stars for service in World War II, Korea, and the Persian Gulf. She was maintained on the Naval Vessel Register until January 1995, when her name was struck. In 1998 she was donated to the Missouri Memorial Association, and is presently a museum ship at Pearl Harbor, Hawaii.  An aviation boatswain's mate guides an F/A-18 Super Hornet to the catch. Photo credit: Wilsbadkarma5 April
 A Close-in weapon system (CIWS) is a naval shipboard weapon system for detecting and destroying incoming anti-ship missiles and enemy aircraft at short range (the threat(s) having penetrated the ship's available outer defences). Typically, the acronym is pronounced "Sea-whiz".  "Great minds discuss ideas, average minds discuss events, small minds discuss people." — Admiral Hyman G. Rickover  William Daniel Leahy (May 6, 1875 – July 20, 1959) born in Hampton, Iowa was an American naval officer and the first such officer ever to hold the rank of Fleet Admiral and the first ever to hold five-star rank in the U.S. armed forces making him effectively the first chairman of the Joint Chiefs of Staff, a position he held during most of World War II. However, his actual title was Chief of Staff to the Commander in Chief of the Army and Navy.
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