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52-551: (Redirected from M-24 ) M24 , M.24 or M-24 may refer to: Military [ edit ] HMS M24 , a Royal Navy M15 class monitor HMS M24 , Royal Swedish Navy ship, (see List of mine warfare vessels of the Royal Swedish Navy ) M24 Chaffee , an American light tank M24 mine , an American landmine Mauser M24 M24 series , a line of Mauser battle rifles used by Yugoslavian military forces. FN Model 24 ,

104-580: A brown-water navy , this time in South Vietnam . After studies were conducted, plans were drawn up by the U.S. Naval Advisory Group in February 1966, and by the summer of 1966 Secretary of Defense Robert S. McNamara authorized the U.S. Navy a Mobile Riverine Force (MRF). Although U.S. Navy Patrol Craft Fast (Swift Boats), Patrol Boat River (PBRs) and assorted gunboats had been performing counter-insurgency operations in country prior to 1966,

156-505: A class of monitors armed with spar torpedoes . In the 1860s and 1870s several nations built monitors that were used for coastal defense and took the name monitor as a type of ship. Those that were directly modelled on Monitor were low-freeboard, mastless, steam-powered vessels with one or two rotating, armoured turrets. The low freeboard meant that these ships were unsuitable for ocean-going duties and were always at risk of swamping, flooding and possible loss. However, it greatly reduced

208-899: A Belgian version of design M24 Sniper Weapon System , a sniper rifle M24 trailer , WW2, US Army ammunition trailer M-24 , a Japanese midget submarine that participated in the attack on Sydney Harbour in the Second World War Model 24 grenade M-24 20mm Aircraft cannon , variant in the United States of Hispano-Suiza HS.404 Aviation [ edit ] Grigorovich M-24 , Soviet flying boat Macchi M.24 , 1924 Italian flying boat Magni M-24 Orion , Italian autogyro Messerschmitt M 24 , German passenger aircraft Miles M.24 , proposed, WW2, British fighter aircraft MSrE M-24 , 1938 Hungarian sport aircraft PZL M-24 Dromader Super , Polish agricultural aircraft Other [ edit ] M 24 ,

260-471: A few still existed, and only seven were still in service, all of which had been relegated to being submarine tenders . This would be the last war in which United States monitor-type vessels would see commissioned service. The last original American monitor, USS  Wyoming , renamed USS Cheyenne in 1908, was removed from the Navy List in 1937. The Austro-Hungarian Navy had also invested heavily in

312-622: A fictional trinary star system in the original Star Trek episode " The Gamesters of Triskelion " M24 (rapper) , British rapper [REDACTED] Topics referred to by the same term This disambiguation page lists articles associated with the same title formed as a letter–number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=M24&oldid=1180657013 " Category : Letter–number combination disambiguation pages Hidden categories: Short description

364-634: A low freeboard, was lost in heavy weather. A late example of a vessel modeled on Monitor was Huáscar , designed by Captain Cowper P. Coles , the advocate and developer of turret ships for the Royal Navy. Huáscar was one of many monitor designs to be equipped with a ram . She was built and launched in 1865 for the Peruvian Navy at Birkenhead, England . Huáscar , under the command of Rear Admiral Miguel Grau , fought with distinction during

416-425: A more seaworthy vessel that was more capable in ship-to-shore combat, a type called the breastwork monitor became more common in the later nineteenth century. These ships had raised turrets and a heavier superstructure on a platform above the hull. They were still not particularly successful as seagoing ships, because of their short sailing range and the poor reliability of their steam engines. The first of these ships

468-791: A political movement in the People's Republic of Congo. The Mathieu group M24 in the mathematical field of group theory M-24 (Michigan highway) , a state highway in Michigan Messier 24 (M24), a cloud of stars also referred to as the Small Sagittarius Star Cloud Olivetti M24 , a computer M24 (Cape Town) , a Metropolitan Route in Cape Town, South Africa M24 (Pretoria) , a Metropolitan Route in Pretoria, South Africa M-24 Alpha,

520-608: Is different from Wikidata All article disambiguation pages All disambiguation pages M15 class monitor The M15 class comprised fourteen monitors of the Royal Navy , all built and launched during 1915. The ships of this class were ordered in March, 1915, as part of the Emergency War Programme of ship construction. They were designed to use the 9.2 inch Mk VI gun turrets removed from

572-599: Is how USS Monitor was given its name. It was designed by John Ericsson for emergency service in the Federal navy during the American Civil War (1861–65) to blockade the Confederate States from supply at sea. Ericsson designed her to operate in shallow water and to present as small a target as possible, the water around her acting as protection. Nathaniel Hawthorne described Monitor thus: It

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624-647: The Edgar class and the Mk X turrets held in stock for the Drake -class and Cressy -class cruisers . This resulted in the first four of the class, which were built by William Gray & Company of Hartlepool , receiving the Mk X mounting. The remaining ten ships, all built by Sir Raylton Dixon & Co. , Middlesbrough , all received the Mk VI mounting. During September 1915,

676-721: The Bombardment of San Juan , the Battle of Fajardo , and the Philippines Campaign . Other monitors also participated in the conflict, including original Civil War ships. These were reactivated for coastal defence to allay fears about surprise Spanish raids, but this was pure political posturing as the ships were too slow and obsolete to have any military value. During World War I, the Royal Navy developed several classes of ships which were designed to give close support to troops ashore. Termed "monitors", they owed little to

728-645: The Race to the Sea in 1914. In addition to these ships, several monitors were built during the course of the war. Their armament typically consisted of a turret taken from a de-commissioned pre-dreadnought battleship. These monitors were designed to be resilient against torpedo attacks—waterline bulges were incorporated into the Abercrombie class of 1915. As the war settled to its longer course, these heavier monitors formed patrols along with destroyers on either side of

780-996: The Russian Civil War and the Manchukuo Imperial Navy raids in the Far East, the Soviets developed a new monitor class for their river flotillas. The lead ship of the new series was Zheleznyakov , laid down in the Leninska Kuznia factory in Kiev in late 1934. Zheleznyakov is preserved as a museum and monument on the Dnieper . The Royal Navy still had HMS  Abercrombie (completed 1943) and HMS  Roberts (1941) in reserve in 1953. They were typical monitors, trunk-decked vessels, 373 feet (114 m) long overall, 90-foot (27 m) in

832-668: The Straits of Dover to exclude enemy surface vessels from the English Channel and keep the enemy in port. The monitors could also operate into the river mouths. HMS  General Wolfe , one of the Lord Clive -class monitors, which had a single 18-inch (457 mm) gun added in 1918, was able to shell a bridge 20 miles (30 km) away near Ostend . Other RN monitors served in the Mediterranean. The dimensions of

884-736: The War of the Pacific . Huáscar successfully raided enemy sea lanes for several months and delayed an invasion of the Chilean Army into Peruvian territory until she was captured by the Chilean Navy at the Battle of Angamos in 1879. Once in Chilean hands, Huáscar fought a small battle with the Peruvian monitor Manco Capac , during the bombardment of Arica , where she was damaged; after

936-772: The intervention into the Russian civil war M23 , M24 , M25 and M27 served in support of British and White Russian forces in the White Sea in May to September 1919. M22 was converted to a minelayer in 1920, whilst M23 became a drill ship , surviving until 1959. Monitor (ship) The original monitor was designed in 1861 by John Ericsson , who named it USS  Monitor . Subsequent vessels of this type were accordingly classed as "monitors". They were designed for shallow waters and served as coastal ships. The term also encompassed more flexible breastwork monitors , and

988-488: The river gunboats which were used by imperial powers to police their colonial possessions ; indeed the largest and most heavily armed river gunboats became known as river monitors . They were used by several navies, including those of the United Kingdom, the United States and Japan. USS Monitor had had very little freeboard so as to bring the mass of the gun turret down, thereby increasing stability and making

1040-635: The 1920s. The term "monitor" also encompasses the strongest of riverine warcraft, known as river monitors . During the Vietnam War these much smaller craft were used by the United States Navy . The Brazilian Navy's Parnaíba and the Romanian Navy's three Mihail Kogălniceanu -class river monitors are among the last monitors in service. In Latin, a monitor is someone who admonishes: that is, reminds others of their duties—which

1092-430: The 9.2 inch guns of HMS M24 , M25 , M26 and M27 were removed for use as artillery. These were replaced by 7.5-inch guns . M24 and M25 received the spare guns reserved for the recently sunk pre-dreadnought battleship Triumph , M26 received one of Swiftsure ' s spare guns. M27 received 6-inch (M27) guns. M21 and M23 also had their 9.2-inch gun removed in 1917, receiving 7.5-inch guns from

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1144-729: The German-mined River Scheldt by the British to utilize the port of Antwerp . Roberts and Abercrombie were to form part of the British East Indies Fleet in support of Operation Mailfist , the planned liberation of Singapore in late 1945, which was cancelled following the Japanese surrender. The former Italian WWI monitor Faa di Bruno had been redesignated as floating battery by the beginning of WW2, in which role she continued to play until

1196-682: The U.S. Marine Corps was also using the M49 105 mm howitzer, there was a shortage, and only 8 Monitor (H) versions could be procured for the brown-water navy. As fielded, the 24 monitors of the U.S. Navy in Vietnam averaged about 10 tons of armor, were about 60 feet (18 m) long, had two screws, were powered by two 64NH9 diesel engines, 8.5 knots (15.7 km/h; 9.8 mph) (maximum speed), 17.5 feet (5.3 m) wide, 3.5 feet (1.1 m) draft, and were normally manned by 11 crewmen. When South Vietnam fell on 30 April 1975, all monitors fell into

1248-617: The United States Navy reflected a ship-to-ship combat role in their designs. However, fortification bombardment was another critical role that the early monitors played, though one that these early designs were much less capable in performing. Three months after the Battle of Hampton Roads, John Ericsson took his design to his native Sweden, and in 1865 the first Swedish monitor was built at Motala Warf in Norrköping , taking

1300-532: The allies were not gaining success in the Mekong Delta region. A stronger naval force was needed, one that was heavily armored, and heavily gunned. The U.S. Navy's MRF initially consisted of River Assault Flotilla One , under Program 4 in 1967, and consisted of four River Assault Divisions : RAD-91 which contained 3 Monitors ; RAD-92 contained 2 Monitors; RAD-111 had 3 Monitors; and RAD-112 operated 2 Monitors. These "river battleships", as they were known by

1352-480: The beam and with an 11-foot (3 m) mean draught carrying two 15-inch (381 mm) guns. The Brazilian Navy presently operates the last true "monitor" as part of their inland waterway force, Parnaíba . The Vietnam War was the U.S. Navy's second riverine war, after the American Civil War. On 18 December 1965, the U.S. Navy, for the second time in a hundred years, authorized the reactivation of

1404-422: The boat a smaller and therefore harder target for gunfire. At the end of the American Civil War, the U.S. Navy Casco -class monitors had large ballast tanks that allowed the vessels to partially submerge during battle. This idea was carried further with the concept of the Royal Navy's R class of submarine gunboats. The British M-class submarines were initially designed for shore bombardment, but their purpose

1456-646: The capitulation of Italy. She was then captured by the Germans and served as monitor Biber in Genoa, until the German surrender. She was scrapped after the war. The German, Yugoslav, Croatian and Romanian navies all operated river monitors on the Danube, all of which saw combat during the war. The Soviet Union built many monitors before World War II, and used them mostly on rivers and lakes. After experiences during WWI,

1508-521: The construction of river monitors to patrol its internal river systems such as the Danube and its tributaries. These vessels were among the first to fire on Serbian territory at the start of the First World War, and took part in the bombardment of Belgrade , as well as other Balkan campaigns against Serbia and Romania. At the end of the war, the surviving vessels were parceled out to the navies of

1560-438: The cost and weight of the armour required for protection, and in heavy weather the sea could wash over the deck rather than heeling the ship over. Attempts were made to fit monitors with sails, but the provision of masts interfered with the turrets' ability to operate in a 360-degree arc of fire and the weight of masts and sails aloft made the ships less stable. One ship, HMS  Captain , which combined turret and sails with

1612-540: The decommissioned pre-dreadnought Swiftsure . The class used a mixture of propulsion methods. M21 and M22 were fitted with conventional triple-expansion steam engines, M24 was fitted with four-cylinder paraffin engines, and the remainder received Bolinder four-cylinder semi-diesel engines. Admiral Reginald Bacon , who had commanded several of the M15 class in the Dover Patrol , wrote about his experiences with

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1664-521: The enemy's hands; leaving only one survivor, a training monitor, that never left the US. "Training" monitor #C-18 is on display, along with one Swift Boat and one PBR at the U.S. Naval Amphibious Base in Coronado, California . The monitor, by proving the efficacy of turrets over fixed guns, played a part in development of the dreadnought battleship from the ironclad . As a shallow draft vessel it also led to

1716-533: The engineer's name. She was followed by 14 more monitors. One of them, Kanonbåten Sölve , served until 1922 and is today preserved at the Maritiman marine museum in Gothenburg . Ericsson and others experimented greatly during the years of the American Civil War. Vessels constructed included a triple-turreted monitor , a class of paddlewheel-propelled ironclads, a class of semi-submersible monitors, and

1768-466: The extent and convenience of her interior accommodations. There is a spacious ward-room, nine or ten feet in height, besides a private cabin for the commander, and sleeping accommodations on an ample scale; the whole well lighted and ventilated, though beneath the surface of the water... It was like finding a palace, with all its conveniences, under the sea. The inaccessibility, the apparent impregnability, of this submerged iron fortress are most satisfactory;

1820-473: The hulls quickly designed and built in "cheap and cheerful" fashion. They were broad beamed for stability (beam was about 1/3 of the overall length) which together with a lack of emphasis on speed made them extremely slow, and they were not suitable for naval combat or any sort of work on the high seas. Monitors of the Royal Navy played a part in consolidating the left wing of the Western Front during

1872-649: The land battle was lost, the crew of the Manco Capac scuttled her to prevent capture. Over the years, both Chile and Peru came to venerate the ship and the officers from both sides that died on her deck, either commanding her or boarding her, as national heroes. Huáscar is currently commissioned in the Chilean Navy, has been restored to a near-original condition and, as a museum ship , is open to visitors at its berth in Talcahuano . In an effort to produce

1924-671: The men, operated in conjunction with the CCB (Command Control Boat—also a monitor), ATCs Armored Troop Carrier (ATC) and the Assault Support Patrol Boats (ASPBs) which were also assigned to each RAD. Vietnam Monitors were originally converted from World War II 56-foot (17 m) long all-steel Landing Craft Mechanized (LCM) Mark 6s. They were constructed under two phases: Programs 4 and 5. Under Program 4, 10 Monitors were armed with one 40 mm cannon and then fielded. Program 5 Monitors would correct any deficiencies from

1976-516: The monitors of the 19th century, though they shared the characteristics of poor seaworthiness, shallow draft and heavy armament in turrets. The first class, the Humber class , had been laid down as large river gunboats for the Brazilian navy. Later monitor classes were equally makeshift; they were often designed for carrying whatever spare guns were available from ships scrapped or never built, with

2028-534: The new state of Yugoslavia and Romania as war prizes. Several would see action in World War II as well. The Italian Navy also constructed some monitors including the Faa di Bruno , using the main gun barrels for the cancelled Francesco Caracciolo-class battleships . The smaller Royal Navy monitors were mostly scrapped following World War I, though Erebus and Terror survived to fight in World War II. When

2080-483: The officers and crew get down through a little hole in the deck, hermetically seal themselves, and go below... A storm of cannon-shot damages them no more than a handful of dried peas. We saw the shot-marks made by the great artillery of the Merrimack on the outer casing of the iron tower...with no corresponding bulge on the interior surface. In fact, the thing looked altogether too safe...the circumvolutory movement of

2132-564: The previous vessels, and were fielded as the Monitor (H) 105 mm (Howitzer) and the Monitor (F) (Flamethrower). The Program 4 monitors mounted their single barrel 40 mm cannon in a Mk 52 turret; while the Program 5 monitors mounted their 105 mm cannon in a T172 turret, and the six flamethrowers were mounted in M8 cupola turrets (one on each side of the vessel's 40 mm turret). Because

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2184-632: The requirement for shore support returned, two large new Roberts -class monitors, Roberts and Abercrombie , were constructed and fitted with 15-inch (380 mm) guns from older battleships . Royal Navy monitors saw service in the Mediterranean in support of the British Eighth Army 's desert and Italian campaigns. They were part of the offshore bombardment for the Invasion of Normandy in 1944. They were also used to clear

2236-616: The several classes of monitor varied greatly. Those of the Abercrombie class were 320 feet (98 m) by 90 feet (27 m) in the beam and drew 9 feet (2.7 m) compared to the M29 -class monitors of 1915 that were only 170 feet (52 m) long, and the Erebus class of 1916, which were 405 feet (123 m) long. The largest monitors carried the heaviest guns. By this point the United States Navy had largely stopped using monitors. Only

2288-581: The ships of the patrol in 1919. While generally positive about the performance of the design, he noted that they had a tendency to roll , using a specific occasion with M25 as an example; M25 , M26 , M27 and M28 served in the Dover Patrol from 1915 to 1918. The remainder served in the Mediterranean from 1915, with M23 joining the Dover Patrol in June 1917 and M21 in October 1917. As part of

2340-458: The stability problems arising from the heavy turret mounted high in monitors, their hulls were designed to reduce other top weight. After Ericsson's ships, monitors developed the trunk deck design as the upper deck had to be heavily armoured against plunging shells. Because of the weight high in the hull, its breadth was minimized, giving rise to a vessel broad-beamed at the waterline, but with a narrow upper deck. The term for this sort of construction

2392-427: The tower, the quick thrusting forth of the immense guns to deliver their ponderous missiles, and then the immediate recoil, and the security behind the closed port-holes. The Battle of Hampton Roads (March 1862), between Monitor and CSS  Virginia , was the first engagement between ironclad vessels. Several such battles took place during the course of the American Civil War, and the dozens of monitors built for

2444-493: Was HMVS  Cerberus , built between 1868 and 1870. She was later sunk and used as a breakwater near Melbourne , Australia and is still visible there, as her upper works project from the water. Monitors were used frequently during the Spanish–American War in 1898. Notable United States Navy monitors which fought in the war were USS  Amphitrite , USS  Puritan , USS  Monterey , and USS  Terror . These four monitors fought at battles or campaigns such as

2496-409: Was tumblehome . Ships which were far narrower at the deck than the waterline were said to have a "pronounced tumblehome". By analogy, nineteenth century railway coaches with clerestory roofs to accommodate ventilators and lamps above the heads of standing passengers in the centre while lower to the sides where passengers were seated were called monitors or monitor cars in the U.S.; the raised part of

2548-429: Was a platform of iron, so nearly on a level with the water that the swash of the waves broke over it, under the impulse of a very moderate breeze; and on this platform was raised a circular structure, likewise of iron, and rather broad and capacious, but of no great height. It could not be called a vessel at all; it was a machine...it looked like a gigantic rat-trap. It was ugly, questionable, suspicious...devilish; for this

2600-420: Was changed to attacking enemy merchant vessels as their 12-inch (305 mm) gun would be more effective at long range than a torpedo against a moving target. Only one, HMS  M1 , entered service before the end of World War 1; she was lost in the English Channel after the war in 1925 after being accidentally rammed while submerged: her gun came free of its mount and she was completely flooded. To overcome

2652-423: Was sometimes used as a generic term for any turreted ship. In the early 20th century, the term was revived for shallow-draught armoured shore bombardment vessels, particularly those of the Royal Navy : the Lord Clive -class monitors carried guns firing heavier shells than any other warship ever has, seeing action (albeit briefly) against German targets during World War I. The Lord Clive vessels were scrapped in

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2704-400: Was the new war-fiend, destined...to annihilate whole navies and batter down old supremacies. The wooden walls of Old England cease to exist...now that the Monitor comes smoking into view; while the billows dash over what seems her deck, and storms bury even her turret in green water, as she burrows and snorts along, oftener under the surface than above... Going on board, we were surprised at

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