Instruct: Given a question, retrieve documents that answer the question.
Query: How large is the US navy?
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. It is the largest and most capable navy in the world,[6][7][8] with the highest combined battle fleet tonnage[9][10] and the world's largest aircraft carrier fleet, with eleven in service, and two new carriers under construction. With 319,421 personnel on active duty and 99,616 in the Ready Reserve, the Navy is the third largest of the service branches. It has 282 deployable combat vessels and more than 3,700 operational aircraft as of March2018,[2] making it the second largest and second most powerful air force in the world.[11]
A monitor was a relatively small warship which was neither fast nor strongly armoured but carried disproportionately large guns. They were used by some navies from the 1860s, during the First World War and with limited use in the Second World War. During the Vietnam War they were used by the United States Navy. The Brazilian Navy's "Parnaíba" is the last monitor in service.
The Earl of Dundonald, (father of the then Lord Cochrane) who resided here a considerable time, undertook chemical experiments, among the principal of which, was that of extracting tar from coals. For this purpose many kilns or ovens were erected and the reference describes in some detail how the process was conducted. It is stated that great quantities of this useful article were sent for the use of the navy, and much of it was used in japanning. Dundonald expended large sums of money in these undertakings was said to thoroughly understood both the theory and the practice of the science, yet have a cheerful and benevolent disposition.
Frigate navy is a term describing a nation state's navy that is made of mostly frigates or destroyers as a major combat force. This navy would thus be lacking large vessels such as cruisers, a significant number of effective submarines, or aircraft carriers, but it would also be more effective and deployable than a navy that just maintains corvettes or gunboats. A frigate navy can be a green water navy or a brown water navy, depending on how logistics are structured. The Royal Netherlands Navy is an example of a frigate navy, as was the U.S. Navy in the War of 1812.
The U.S. Navy Recruiting Command Badge is worn by all Navy personnel while assigned to duty with the Navy Recruiting Command. Excellent performance, meeting criteria set by Commanding Officer Navy Recruiting Command, is acknowledged with the addition of a gold metallic wreath, called the "Gold Wreath Award," that surrounds the badge. Subsequent awards of excellence are denoted with 5/16 inch silver stars at the bottom of the wreath. Once a recruiter has achieved their 5th award, the silver stars are replaced with a gold star. Once a recruiter has achieved their 10th award, the wreath is upgraded with a gold scroll that's incorporated into the top of the wreath with the word "Excellence" embossed on the scroll. (s) at the bottom of the wreath. This progression continues using a large gold star on top of the scroll to signify the 20th award, a large gold star with wreath for the 25th, and two large gold stars and wreaths for the 30th. Silver and gold stars at the bottom of the wreath are used to signify awards 31 through 39 and four large gold stars, two with wreaths on top of the badge, are used to denote the 40th award. A Navy recruiter can earn up to 49 consecutive gold wreath awards for achievements in recruiting.
During the Vietnam War, the US Navy SEALs used the m/45 extensively. One of the gun's qualities which appealed to the US Navy was that the m/45 can fire almost immediately out of the water (over the beach). It also saw use by CIA operatives and advisers. In US service it was largely known as the "Swedish-K" or "K-Rifle". The US Navy was so impressed by the m/45 that when Sweden embargoed the export of weapons to the United States in 1966, Smith & Wesson was given the task of producing a copy. This was designated the Smith & Wesson M76. However, by the time the M76 was ready for combat deployment, the US Navy interest had largely evaporated. Many of the m/45s used by US forces and agencies were devoid of markings, implying clandestine use ("sanitized").
USS "Ascutney" (1862) was a large steamer with powerful guns acquired by the Union Navy during the American Civil War. She was used by the Union Navy as a gunboat in support of the Union Navy blockade of Confederate waterways. Post-war she performed some steamship service for the Navy.
IRGC Navy and the regular "Artesh" Navy overlap functions and areas of responsibility, but they are distinct in terms of how they are trained and equipped—and more importantly also in how they fight. The Revolutionary Guards Navy has a large inventory of small fast attack craft, and specializes in asymmetric hit-and-run tactics. It is more akin to a guerrilla force at sea, and maintains large arsenals of coastal defense and anti-ship cruise missiles and mines. It has also a Takavar (special force) unit, called Sepah Navy Special Force (S.N.S.F.).
The first proposal to test nuclear weapons against naval warships was made on August 16, 1945, by Lewis Strauss, future chairman of the Atomic Energy Commission. In an internal memo to Secretary of the Navy James Forrestal, Strauss argued, "If such a test is not made, there will be loose talk to the effect that the fleet is obsolete in the face of this new weapon and this will militate against appropriations to preserve a postwar Navy of the size now planned." With very few bombs available, he suggested a large number of targets widely dispersed over a large area. A quarter century earlier, in 1921, the Navy had suffered a public relations disaster when General Billy Mitchell's bombers sank every target ship the Navy provided for the ship-versus-bomb tests. The Strauss test would be designed to demonstrate ship survivability.
Nine days later, Senator Brien McMahon, who within a year would write the Atomic Energy Act and organize and chair the Congressional Joint Committee on Atomic Energy, made the first public proposal for such a test, but one designed to demonstrate the vulnerability, rather than survivability, of ships. He proposed dropping an atomic bomb on captured Japanese ships and suggested, "The resulting explosion should prove to us just how effective the atomic bomb is when used against the giant naval ships." On September 19, the Chief of the United States Army Air Forces (USAAF), General of the Army Henry H. Arnold, asked the Navy to set aside ten of the thirty-eight captured Japanese ships for use in the test proposed by McMahon.
The Navy's Policy Board called for a variety of large caliber weapons in 1890, with ranges all the way up to . A 16-inch caliber gun was beyond US manufacturing capabilities at this time though and the largest gun possible was the /35 caliber. The Navy intended to use this gun in short-range action against heavily armored targets and was fitted to the first true battleship in the US Navy, . This turned out to be the only 13-inch gun developed for the US Navy.
Historians like Harcourt-Smith question how serious Alberoni was about the invasion. Unlike other statesmen of the period, he had direct experience of amphibious operations while Cape Passaro demonstrated the Royal Navy's power in far less favourable circumstances. He would have been well aware the Spanish fleet was unlikely to even reach England, let alone be allowed to disembark large numbers of troops. A potential invasion was more useful in occupying the Royal Navy and far less risky; this would explain why he did not share Ormonde's concern at the delays and made the fleet just as useful moored in Corunna, its destination when it left Cadiz.
Outside the US and Soviet navies, new cruisers were rare following World War II. Most navies use guided missile destroyers for fleet air defense, and destroyers and frigates for cruise missiles. The need to operate in task forces has led most navies to change to fleets designed around ships dedicated to a single role, anti-submarine or anti-aircraft typically, and the large "generalist" ship has disappeared from most forces. The United States Navy and the Russian Navy are the only remaining navies which operate cruisers. Italy used until 2003; France operated a single helicopter cruiser until May 2010, , for training purposes only. While Type 055 of the Chinese Navy is classified as a cruiser by the U.S. Department of Defence, the Chinese consider said ship as a guided missile destroyer.
In the mid-1950s, the navies of the world were faced with the challenge of how to land a large helicopter on a rolling, pitching flight deck of a smaller ship. The problem was solved in the early 1960s when the Royal Canadian Navy's Experimental Squadron 10 (VX 10), based at Shearwater, in collaboration with Dartmouth's Fairey Aviation, developed the world's first HHRSD. The CH-124 Sea King was the first Royal Canadian Navy helicopter to be equipped with this system.
Many of the deactivated Second World War merchant vessels were of a class called the Liberty Ship which was a mass-produced ocean-going transport which was used primarily in the convoys going to/from the U.S., Europe and Russia. These Liberty Ships were also used as the navy's support vessel for its fleet of warships and to ferry forces across the Pacific and Atlantic. It was a race between how fast the U.S. could build these ships and how fast the German U-Boats could sink them, and the Liberty Ship was significant in maintaining the beleaguered United Kingdom.
The US Navy bought the patent from Ilon and put researchers to work on it in the 1980s in Panama City. The US Navy has used it for transporting items around ships. In 1997, Airtrax Incorporated and several other companies each paid the US Navy $2,500 for rights to the technology, including old drawings of how the motors and controllers worked, to build an omnidirectional forklift truck that could maneuver in tight spaces such as the deck of an aircraft carrier. These vehicles are now in production.
Slave labor on United States military installations was a common sight in the first half of the nineteen century, for agencies and departments of the federal government were deeply involved in the use of enslaved blacks. In fact, the United States military were the largest federal employers of rented or leased slaves throughout the antebellum period. 
In 1816, a visitor to the Washington Navy Yard wrote that master blacksmith Benjamin King estimated daily expense for a slave as twenty-seven cents and noted how lucrative the business. Navy was paying eighty cents per day for black workers while white blacksmiths were paid $1.81 per diem. English visitor and author, Lady Emmeline Stuart Wortley, writing in the late 1840s, marked the prevalence of slave labor at the Washington Navy Yard: "We saw a sadder sight after that, a large number of slaves, who seemed to be forging their own chains, but they were making chains, anchors, &c., for the United States Navy."
The 91 Training Ships (units) across Australia have a total membership around 400 staff and 2,200 cadets, including several that have been formed in high schools. However, 2012 reporting suggested membership has fallen drastically to about 1,600. The ANC adheres to a rank structure similar to the Royal Australian Navy, with cadets having the opportunity to progress from the rank of cadet recruit to cadet midshipman. Each unit has a complement which lays out how many cadets the unit is allowed to carry and how many are allowed at each rank. Training camps and examinations are held for promotion in rank. The structure and organisation of the ANC is based on that of the Royal Australian Navy, but additionally features a large community-involvement component.
The Royal Navy used large numbers of blocks, which were all hand-made by contractors. Their quality was not consistent, the supply problematic and they were expensive. A typical ship of the line needed about 1000 blocks of different sizes, and in the course of the year the Navy required over 100,000. Bentham had devised some machines for making blocks, but did not develop them and details of how they worked are now obscure. In 1802 Marc Isambard Brunel proposed to the Admiralty a system of making blocks using machinery he had patented. Bentham appreciated the superiority of Brunel's system and in August 1802 he was authorised by the Admiralty to proceed.
IRGC Navy and "Artesh" Navy overlap functions and areas of responsibility, but they are distinct in terms of how they are trained and equipped— and more importantly also in how they fight. The Revolutionary Guards Navy has a large inventory of small fast attack craft, and specializes in asymmetric hit-and-run tactics. It is more akin to a guerrilla force at sea, and maintains large arsenals of coastal defense and anti-ship cruise missiles and mines.
It has also a Takavar (special force) unit, called Sepah Navy Special Force (S.N.S.F.).
However, equipping the entire Royal Canadian Navy's fleet would be extremely expensive. In order to lower the overall cost, the Navy wanted to spread the development costs across a larger production line, and invited representatives of the Royal Navy and US Navy to view the system. They proved to be equally impressed; one US officer was "too" impressed and looked under the display console, believing the display was being faked. But no matter how impressed they were, it appears they felt they could do better on their own, and declined to get involved. The Royal Navy would start work on their Comprehensive Display System that year under the direction of Elliot Brothers, and the US Navy's Naval Tactical Data System in 1956.
Large industrial groups received large investment for making weapons for Japanese Army and Navy in national war efforts. In military aircraft industry exist the next names of important companies how:
This is a large thematic display focusing on how the Navy’s people have 'done the job' at sea over the years. Branches and categories past and present are used to explain how the naval profession has changed and developed.
The fourth section of the pamphlet includes Paine's optimistic view of America's military potential at the time of the revolution. For example, he spends pages describing how colonial shipyards, by using the large amounts of lumber available in the country, could quickly create a navy that could rival the Royal Navy.
The majority served during World War II with the Royal Navy (RN) and Royal Canadian Navy (RCN). Several ships built largely in Canada were transferred from the RN to the United States Navy (USN) under the lend-lease programme, seeing service in both navies. Some corvettes transferred to the USN were manned by the US Coast Guard. The vessels serving with the US Navy were known as Temptress and "Action"-class patrol gunboats. Other Flower-class corvettes served with the Free French Naval Forces, the Royal Netherlands Navy, the Royal Norwegian Navy, the Royal Indian Navy, the Royal Hellenic Navy, the Royal New Zealand Navy, the Royal Yugoslav Navy, and, immediately post-war, the South African Navy.
In his planning for how the war in the Pacific would be fought and won, Admiral Chester Nimitz knew the manufacturing might of the United States would eventually supply him with a force large enough to overcome the forces of the Empire of Japan. He referred to this future force as the 'Big Blue Fleet'. To make it effective at projecting its power, he would need to devise a way to keep it supplied and in fighting condition. The ongoing resupply of a large naval force across the vast expanse of the Pacific would require the US Navy to perform something no navy had ever accomplished before.