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71-493: The B5M was designed in response to a 1935 specification for a new bomber for use on the IJNAS aircraft carriers ( Mitsubishi Navy Experimental 10-Shi Carrier Torpedo Attacker ). The machine was to have a crew of three, folding wings for flight deck storage, a speed of not less than 322 km/h (200 mph), a flight endurance of not less than seven hours, and the ability to carry at least 800 kg (1,760 lb) of bombs -

142-675: A combination of warheads and massive amounts of countermeasures designed to defeat anti-missile systems ; it was announced by the Russian military as a response to the US Prompt Global Strike . In July 2023, North Korea fired a suspected intercontinental ballistic missile that landed short of Japanese waters. The launch follows North Korea's threat to retaliate against the US for alleged spy plane incursions. The following flight phases can be distinguished: ICBMs usually use

213-424: A focus on stealth technology for strategic bombers. Strategic bombing is done by heavy bombers primarily designed for long-range bombing missions against strategic targets such as supply bases, bridges, factories, shipyards, and cities themselves, to diminish the enemy's ability to wage war by limiting access to resources through crippling infrastructure or reducing industrial output. Current examples include

284-592: A larger and more streamlined form of airship designed by German Count Ferdinand von Zeppelin , were outfitted to carry bombs to attack targets at long range. These were the first long range, strategic bombers. Although the German air arm was strong, with a total of 123 airships by the end of the war, they were vulnerable to attack and engine failure, as well as navigational issues. German airships inflicted little damage on all 51 raids, with 557 Britons killed and 1,358 injured. The German Navy lost 53 of its 73 airships, and

355-413: A long canopy that had a smooth transition to the fuselage . The B5M1s began equipping Japanese Naval units in late 1937, but their performance was never as satisfactory as was that of other Japanese aircraft carrier-based bombers. The B5M1's performance was considered marginal and only 125 were manufactured. While they had originally been intended for aircraft carrier use, the majority were employed during

426-483: A major limitation, combined with the desire for accuracy and other operational factors, bomber designs tended to be tailored to specific roles. By the start of the war this included: Bombers of this era were not intended to attack other aircraft although most were fitted with defensive weapons. World War II saw the beginning of the widespread use of high speed bombers which began to minimize defensive weaponry in order to attain higher speed. Some smaller designs were used as

497-538: A means of evading detection and attack. Designs such as the English Electric Canberra could fly faster or higher than contemporary fighters. When surface-to-air missiles became capable of hitting high-flying bombers, bombers were flown at low altitudes to evade radar detection and interception. Once "stand off" nuclear weapon designs were developed, bombers did not need to pass over the target to make an attack; they could fire and turn away to escape

568-461: A minimal independent nuclear deterrent entering its own cold war after an ideological split with the Soviet Union beginning in the early 1960s. After first testing a domestic built nuclear weapon in 1964, it went on to develop various warheads and missiles. Beginning in the early 1970s, the liquid fuelled DF-5 ICBM was developed and used as a satellite launch vehicle in 1975. The DF-5, with

639-664: A network of binary addition circuits that continually recalculate the missile's position. The inputs to the navigation circuit are set by a general-purpose computer according to a navigational input schedule loaded into the missile before launch. One particular weapon developed by the Soviet Union ;– the Fractional Orbital Bombardment System  – had a partial orbital trajectory, and unlike most ICBMs its target could not be deduced from its orbital flight path. It

710-628: A range of 10,000 to 12,000 km (6,200 to 7,500 mi)—long enough to strike the Western United States and the Soviet Union—was silo deployed, with the first pair in service by 1981 and possibly twenty missiles in service by the late 1990s. China also deployed the JL-1 Medium-range ballistic missile with a reach of 1,700 kilometres (1,100 mi) aboard the ultimately unsuccessful Type 092 submarine . In 1991,

781-529: A ready state. Failure rates were very high throughout the early years of ICBM technology. Human spaceflight programs ( Vostok , Mercury , Voskhod , Gemini , etc.) served as a highly visible means of demonstrating confidence in reliability, with successes translating directly to national defense implications. The US was well behind the Soviets in the Space Race and so US President John F. Kennedy increased

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852-474: A single missile to carry several warheads, each of which can strike a different target. The United States , Russia , China , France , India , the United Kingdom , Israel , and North Korea are the only countries known to have operational ICBMs. Pakistan is the only nuclear-armed state that does not possess ICBMs. Early ICBMs had limited precision , which made them suitable for use only against

923-581: A tall order for a single-engine aircraft of the mid-1930s. It was intended as a backup for the Nakajima B5N "Kate" torpedo bomber . Although designed as a carrier-based aircraft, it was relegated to land-based torpedo bomber duties in World War II . 125 were built. The aircraft that Mitsubishi produced first flew in 1937 and was an all-metal, low-wing cantilever monoplane with fixed undercarriage with large wheel spats. The crew of three sat in

994-548: Is a military combat aircraft that utilizes air-to-ground weaponry to drop bombs , launch torpedoes , or deploy air-launched cruise missiles . Bombs were first dropped from an aircraft during the Italo-Turkish War , with the first major deployments coming in the First World War and Second World War by all major airforces, damaging cities, towns, and rural areas. The first bomber planes in history were

1065-419: Is aimed at countering enemy military activity and in supporting offensive operations, and is typically assigned to smaller aircraft operating at shorter ranges, typically near the troops on the ground or against enemy shipping. During WWII with engine power as a major limitation, combined with the desire for accuracy and other operational factors, bomber designs tended to be tailored to specific roles. Early in

1136-665: Is believed to have deployed a road mobile nuclear ICBM, the Jericho III , which entered service in 2008; an upgraded version is in development. India successfully test fired Agni V , with a strike range of more than 5,000 km (3,100 mi) on 19 April 2012, claiming entry into the ICBM club. The missile's actual range is speculated by foreign researchers to be up to 8,000 km (5,000 mi) with India having downplayed its capabilities to avoid causing concern to other countries. On 15 December 2022, first night trial of Agni-V

1207-526: Is no rocket exhaust or other emissions to mark its position to defenders. The high speeds of the warheads make them difficult to intercept and allow for little warning, striking targets many thousands of kilometers away from the launch site (and due to the possible locations of the submarines: anywhere in the world) within approximately 30 minutes. Many authorities say that missiles also release aluminized balloons, electronic noisemakers, and other decoys intended to confuse interception devices and radars . As

1278-488: Is typically assigned to smaller aircraft operating at shorter ranges, typically near the troops on the ground or against enemy shipping. This role is filled by tactical bomber class, which crosses and blurs with various other aircraft categories: light bombers , medium bombers , dive bombers , interdictors , fighter-bombers , attack aircraft , multirole combat aircraft , and others. The first use of an air-dropped bomb (actually four hand grenades specially manufactured by

1349-450: The Arrow missile in 1998, but it is mainly designed to intercept shorter-ranged theater ballistic missiles, not ICBMs. The Alaska-based United States national missile defense system attained initial operational capability in 2004. ICBMs can be deployed from multiple platforms: The last three kinds are mobile and therefore hard to detect prior to a missile launch. During storage, one of

1420-799: The Bristol Aeroplane Company . They were fitted with a prismatic Bombsight in the front cockpit and a cylindrical bomb carrier in the lower forward fuselage capable of carrying twelve 10 lb (4.5 kg) bombs, which could be dropped singly or as a salvo as required. The aircraft was purchased for use both by the Royal Naval Air Service and the Royal Flying Corps (RFC), and three T.B.8s, that were being displayed in Paris during December 1913 fitted with bombing equipment, were sent to France following

1491-477: The Cold War however, bombers were the only means of carrying nuclear weapons to enemy targets, and held the role of deterrence . With the advent of guided air-to-air missiles, bombers needed to avoid interception. High-speed and high-altitude flying became a means of evading detection and attack. With the advent of ICBMs the role of the bomber was brought to a more tactical focus in close air support roles, and

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1562-551: The Handley Page Type O ; the majority of bombing was done by single-engined biplanes with one or two crew members flying short distances to attack enemy lines and immediate hinterland. As the effectiveness of a bomber was dependent on the weight and accuracy of its bomb load, ever larger bombers were developed starting in World War I, while considerable money was spent developing suitable bombsights. With engine power as

1633-644: The Italian Caproni Ca 30 and British Bristol T.B.8 , both of 1913. Some bombers were decorated with nose art or victory markings . There are two major classifications of bomber: strategic and tactical. Strategic bombing is done by heavy bombers primarily designed for long-range bombing missions against strategic targets to diminish the enemy's ability to wage war by limiting access to resources through crippling infrastructure, reducing industrial output, or inflicting massive civilian casualties to an extent deemed to force surrender. Tactical bombing

1704-511: The LGM-30 Minuteman , Polaris and Skybolt . Modern ICBMs tend to be smaller than their ancestors, due to increased accuracy and smaller and lighter warheads, and use solid fuels, making them less useful as orbital launch vehicles. The Western view of the deployment of these systems was governed by the strategic theory of mutual assured destruction . In the 1950s and 1960s, development began on anti-ballistic missile systems by both

1775-809: The Swedish Air Force dropped bombs on a forest fire, snuffing out flames with the aid of the blast waves. The fires had been raging in an area contaminated with unexploded ordnance , rendering them difficult to extinguish for firefighters. ICBM An intercontinental ballistic missile ( ICBM ) is a ballistic missile with a range greater than 5,500 kilometres (3,400 mi), primarily designed for nuclear weapons delivery (delivering one or more thermonuclear warheads ). Conventional , chemical , and biological weapons can also be delivered with varying effectiveness, but have never been deployed on ICBMs. Most modern designs support multiple independently targetable reentry vehicle (MIRVs), allowing

1846-641: The Turkish railway station of Karağaç (near the besieged Edirne ) from an Albatros F.2 aircraft piloted by Radul Milkov , during the First Balkan War . This is deemed to be the first use of an aircraft as a bomber. The first heavier-than-air aircraft purposely designed for bombing were the Italian Caproni Ca 30 and British Bristol T.B.8 , both of 1913. The Bristol T.B.8 was an early British single engined biplane built by

1917-498: The USSR /Russia preferred ICBM designs that use hypergolic liquid fuels, which can be stored at room temperature for more than a few years. Once the booster falls away, the remaining "bus" releases several warheads, each of which continues on its own unpowered ballistic trajectory , much like an artillery shell or cannonball. The warhead is encased in a cone-shaped reentry vehicle and is difficult to detect in this phase of flight as there

1988-966: The V bomber force was phased out; the last of which left service in 1983. The French Mirage IV bomber version was retired in 1996, although the Mirage 2000N and the Rafale have taken on this role. The only other nation that fields strategic bombing forces is China , which has a number of Xian H-6s . Currently, only the United States Air Force , the Russian Aerospace Forces ' Long-Range Aviation command, and China's People's Liberation Army Air Force operate strategic heavy bombers. Other air forces have transitioned away from dedicated bombers in favor of multirole combat aircraft . At present, these air forces are each developing stealth replacements for their legacy bomber fleets,

2059-464: The cryogenic fuel liquid oxygen boiled off and caused ice formation, and therefore fueling the rocket was necessary before launch. This procedure was a source of significant operational delay and might allow the missiles to be destroyed by enemy counterparts before they could be used. To resolve this problem Nazi Germany invented the missile silo that protected the missile from Strategic Bombing and also hid fueling operations underground. Although

2130-448: The 1950s-designed B-52s are projected to remain in use until the 2040s. Similarly, the Soviet Union used the intermediate-range Tu-22M 'Backfire' in the 1970s, but their Mach 3 bomber project stalled. The Mach 2 Tu-160 'Blackjack' was built only in tiny numbers, leaving the 1950s Tupolev Tu-16 and Tu-95 'Bear' heavy bombers to continue being used into the 21st century. The British strategic bombing force largely came to an end when

2201-409: The 32-metre-tall (105 ft) Unha-3 rocket. The United States claimed that the launch was in fact a way to test an ICBM. (See Timeline of first orbital launches by country .) In early July 2017, North Korea claimed for the first time to have tested successfully an ICBM capable of carrying a large thermonuclear warhead. In July 2014, China announced the development of its newest generation of ICBM,

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2272-935: The A9/A10 rocket was tested a few times in January and February 1945. After the war, the US executed Operation Paperclip , which took von Braun and hundreds of other leading Nazi scientists to the United States to develop IRBMs , ICBMs, and launchers for the US Army. This technology was predicted by US General of the Army Hap Arnold , who wrote in 1943: Someday, not too distant, there can come streaking out of somewhere – we won't be able to hear it, it will come so fast – some kind of gadget with an explosive so powerful that one projectile will be able to wipe out completely this city of Washington. After World War II,

2343-629: The Allied Armies." When the war started, bombing was very crude (hand-held bombs were thrown over the side) yet by the end of the war long-range bombers equipped with complex mechanical bombing computers were being built, designed to carry large loads to destroy enemy industrial targets. The most important bombers used in World War I were the French Breguet 14 , British de Havilland DH-4 , German Albatros C.III and Russian Sikorsky Ilya Muromets . The Russian Sikorsky Ilya Muromets ,

2414-703: The American missile defense batteries in California and Alaska. New development of ICBM technology are ICBMs able to carry hypersonic glide vehicles as a payload such as RS-28 Sarmat . On 12 March 2024 India announced that it had joined a very limited group of countries, which are capable of firing multiple warheads on a single ICBM. The announcement came after successfully testing multiple independently targetable reentry vehicle (MIRV) technology. [REDACTED] Russia [REDACTED] Russia [REDACTED] Russia [REDACTED] Russia Russia,

2485-651: The Americans and Soviets. Such systems were restricted by the 1972 Anti-Ballistic Missile Treaty . The first successful ABM test was conducted by the Soviets in 1961, which later deployed a fully operational system defending Moscow in the 1970s (see Moscow ABM system ). The 1972 SALT treaty froze the number of ICBM launchers of both the Americans and the Soviets at existing levels and allowed new submarine -based SLBM launchers only if an equal number of land-based ICBM launchers were dismantled. Subsequent talks, called SALT II, were held from 1972 to 1979 and actually reduced

2556-521: The Americans and the Soviets started rocket research programs based on the V-2 and other German wartime designs. Each branch of the US military started its own programs, leading to considerable duplication of effort. In the Soviet Union, rocket research was centrally organized although several teams worked on different designs. The US initiated ICBM research in 1946 with the RTV-A-2 Hiroc project. This

2627-676: The Atlas. Due to the improvements in engine technology and guidance systems the Titan I overtook the Atlas. In the Soviet Union, early development was focused on missiles able to attack European targets. That changed in 1953, when Sergei Korolyov was directed to start development of a true ICBM able to deliver newly developed hydrogen bombs. Given steady funding throughout, the R-7 developed with some speed. The first launch took place on 15 May 1957 and led to an unintended crash 400 km (250 mi) from

2698-522: The Dongfeng-41 ( DF-41 ), which has a range of 12,000 kilometres (7,500 miles), capable of reaching the United States, and which analysts believe is capable of being outfitted with MIRV technology. Most countries in the early stages of developing ICBMs have used liquid propellants, with the known exceptions being the Indian Agni-V , the planned but cancelled South African RSA-4 ICBM, and

2769-604: The German Army lost 26 of its 50 ships. The Caproni Ca 30 was built by Gianni Caproni in Italy . It was a twin-boom biplane with three 67 kW (80 hp) Gnome rotary engines and first flew in October 1914 . Test flights revealed power to be insufficient and the engine layout unworkable, and Caproni soon adopted a more conventional approach installing three 81 kW (110 hp) Fiat A.10s . The improved design

2840-653: The Italian naval arsenal) was carried out by Italian Second Lieutenant Giulio Gavotti on 1 November 1911 during the Italo-Turkish war in Libya – although his plane was not designed for the task of bombing, and his improvised attacks on Ottoman positions had little impact. These picric acid -filled steel spheres were nicknamed "ballerinas" from the fluttering fabric ribbons attached. On 16 October 1912, Bulgarian observer Prodan Tarakchiev dropped two of those bombs on

2911-512: The Soviet testing of their first thermonuclear weapon , but it was not until 1954 that the Atlas missile program was given the highest national priority. The Atlas A first flew on 11 June 1957; the flight lasted only about 24 seconds before the rocket exploded. The first successful flight of an Atlas missile to full range occurred 28 November 1958. The first armed version of the Atlas, the Atlas D,

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2982-828: The USAF with the Northrop Grumman B-21 , the Russian Aerospace Forces with the PAK DA , and the PLAAF with the Xian H-20 . As of 2021 , the B-21 is expected to enter service by 2026–2027. The B-21 would be capable of loitering near target areas for extended periods of time. Occasionally, military aircraft have been used to bomb ice jams with limited success as part of an effort to clear them. In 2018,

3053-685: The United States and the Soviet Union agreed in the START I treaty to reduce their deployed ICBMs and attributed warheads. As of 2016 , all five of the nations with permanent seats on the United Nations Security Council have fully operational long-range ballistic missile systems; Russia, the United States, and China also have land-based ICBMs (the US missiles are silo-based, while China and Russia have both silo and road-mobile ( DF-31 , RT-2PM2 Topol-M missiles). Israel

3124-613: The War as the German air arm was forced to concentrate its resources on a defensive strategy. Notably, bombing campaigns formed a part of the British offensive at the Battle of Neuve Chapelle in 1915, with Royal Flying Corps squadrons attacking German railway stations in an attempt to hinder the logistical supply of the German army . The early, improvised attempts at bombing that characterized

3195-481: The additional warheads; hence, most ABM system proposals have been judged to be impractical. The first operational ABM systems were deployed in the United States during the 1970s. The Safeguard ABM facility, located in North Dakota, was operational from 1975 to 1976. The Soviets deployed their ABM-1 Galosh system around Moscow in the 1970s, which remains in service. Israel deployed a national ABM system based on

3266-633: The basis for night fighters . A number of fighters, such as the Hawker Hurricane were used as ground attack aircraft, replacing earlier conventional light bombers that proved unable to defend themselves while carrying a useful bomb load. At the start of the Cold War, bombers were the only means of carrying nuclear weapons to enemy targets, and had the role of deterrence . With the advent of guided air-to-air missiles, bombers needed to avoid interception. High-speed and high-altitude flying became

3337-495: The blast. Nuclear strike aircraft were generally finished in bare metal or anti-flash white to minimize absorption of thermal radiation from the flash of a nuclear explosion . The need to drop conventional bombs remained in conflicts with non-nuclear powers, such as the Vietnam War or Malayan Emergency . The development of large strategic bombers stagnated in the later part of the Cold War because of spiraling costs and

3408-588: The development of the Intercontinental ballistic missile (ICBM) – which was felt to have similar deterrent value while being impossible to intercept. Because of this, the United States Air Force XB-70 Valkyrie program was cancelled in the early 1960s; the later B-1B Lancer and B-2 Spirit aircraft entered service only after protracted political and development problems. Their high cost meant that few were built and

3479-781: The early months of World War II from land bases in Southeast Asia and in China, where they were confronted by weak or no enemy fighter opposition. These machines ended their careers as trainers , target tugs , and kamikazes . Data from Air World extra volume, "Photo collection of Japanese Navy Aircraft in the World War II, revised edition" (エアワールド 1987年別冊 World War II 日本海軍機写真集 改訂増補版), Air World INC., 1987, pp.218-219. General characteristics Performance Armament Aircraft of comparable role, configuration, and era Related lists Bomber A bomber

3550-474: The early part of the war slowly gave way to a more organized and systematic approach to strategic and tactical bombing, pioneered by various air power strategists of the Entente , especially Major Hugh Trenchard ; he was the first to advocate that there should be "... sustained [strategic bombing] attacks with a view to interrupting the enemy's railway communications ... in conjunction with the main operations of

3621-485: The largest targets , such as cities. They were seen as a "safe" basing option, one that would keep the deterrent force close to home where it would be difficult to attack. Attacks against military targets (especially hardened ones) demanded the use of a more precise, crewed bomber . Second- and third-generation designs (such as the LGM-118 Peacekeeper ) dramatically improved accuracy to the point where even

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3692-578: The most important features of the missile is its serviceability. One of the key features of the first computer-controlled ICBM, the Minuteman missile , was that it could quickly and easily use its computer to test itself. After launch, a booster pushes the missile and then falls away. Most modern boosters are Solid-propellant rocket motors , which can be stored easily for long periods of time. Early missiles used liquid-fueled rocket motors . Many liquid-fueled ICBMs could not be kept fueled at all times as

3763-713: The nearby detonation of friendly warheads), one neutron-resistant material developed for this purpose in the UK is three-dimensional quartz phenolic . Circular error probable is crucial, because halving the circular error probable decreases the needed warhead energy by a factor of four . Accuracy is limited by the accuracy of the navigation system and the available geodetic information. Strategic missile systems are thought to use custom integrated circuits designed to calculate navigational differential equations thousands to millions of FLOPS in order to reduce navigational errors caused by calculation alone. These circuits are usually

3834-566: The now in service Israeli Jericho III . The RS-28 Sarmat (Russian: РС-28 Сармат; NATO reporting name : SATAN 2), is a Russian liquid-fueled , MIRV -equipped, super-heavy thermonuclear armed intercontinental ballistic missile in development by the Makeyev Rocket Design Bureau from 2009, intended to replace the previous R-36 missile . Its large payload would allow for up to 10 heavy warheads or 15 lighter ones or up to 24 hypersonic glide vehicles Yu-74 , or

3905-526: The nuclear warhead reenters the Earth's atmosphere, its high speed causes compression of the air, leading to a dramatic rise in temperature which would destroy it, if it were not shielded in some way. In one design, warhead components are contained within an aluminium honeycomb substructure , sheathed in a pyrolytic carbon - epoxy synthetic resin composite material heat shield. Warheads are also often radiation-hardened (to protect against nuclear armed ABMs or

3976-649: The number of nuclear warheads held by the US and Soviets. SALT II was never ratified by the US Senate , but its terms were honored by both sides until 1986, when the Reagan administration "withdrew" after it had accused the Soviets of violating the pact. In the 1980s, President Ronald Reagan launched the Strategic Defense Initiative as well as the MX and Midgetman ICBM programs. China developed

4047-421: The outbreak of war. Under the command of Charles Rumney Samson , a bombing attack on German gun batteries at Middelkerke , Belgium was executed on 25 November 1914. The dirigible, or airship, was developed in the early 20th century. Early airships were prone to disaster, but slowly the airship became more dependable, with a more rigid structure and stronger skin. Prior to the outbreak of war, Zeppelins ,

4118-469: The site. The first successful test followed on 21 August 1957; the R-7 flew over 6,000 km (3,700 mi) and became the world's first ICBM. The first strategic-missile unit became operational on 9 February 1959 at Plesetsk in north-west Russia. It was the same R-7 launch vehicle that placed the first artificial satellite in space, Sputnik , on 4 October 1957. The first human spaceflight in history

4189-477: The smallest point targets can be successfully attacked. ICBMs are differentiated by having greater range and speed than other ballistic missiles: intermediate-range ballistic missiles (IRBMs), medium-range ballistic missiles (MRBMs), short-range ballistic missiles (SRBMs) and tactical ballistic missiles . The first practical design for an ICBM grew out of Nazi Germany 's V-2 rocket program. The liquid-fueled V-2, designed by Wernher von Braun and his team,

4260-486: The stakes with the Apollo program , which used Saturn rocket technology that had been funded by President Dwight D. Eisenhower . These early ICBMs also formed the basis of many space launch systems. Examples include R-7 , Atlas , Redstone , Titan , and Proton , which was derived from the earlier ICBMs but never deployed as an ICBM. The Eisenhower administration supported the development of solid-fueled missiles such as

4331-494: The strategic nuclear-armed bombers: B-2 Spirit , B-52 Stratofortress , Tupolev Tu-95 'Bear' , Tupolev Tu-22M 'Backfire' and Tupolev Tu-160 "Blackjack" ; historically notable examples are the: Gotha G.IV , Avro Lancaster , Heinkel He 111 , Junkers Ju 88 , Boeing B-17 Flying Fortress , Consolidated B-24 Liberator , Boeing B-29 Superfortress , and Tupolev Tu-16 'Badger'. Tactical bombing , aimed at countering enemy military activity and in supporting offensive operations,

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4402-428: The trajectory which optimizes range for a given amount of payload (the minimum-energy trajectory ); an alternative is a depressed trajectory , which allows less payload, shorter flight time, and has a much lower apogee. Modern ICBMs typically carry multiple independently targetable reentry vehicles ( MIRVs ), each of which carries a separate nuclear warhead , allowing a single missile to hit multiple targets. MIRV

4473-432: Was a three-stage effort with the ICBM development not starting until the third stage. However, funding was cut in 1948 after only three partially successful launches of the second stage design, that was used to test variations of the V-2 design. With overwhelming air superiority and truly intercontinental bombers, the newly formed US Air Force did not take the problem of ICBM development seriously. Things changed in 1953 with

4544-446: Was accomplished on a derivative of R-7, Vostok , on 12 April 1961 , by Soviet cosmonaut Yuri Gagarin . A heavily modernized version of the R-7 is still used as the launch vehicle for the Soviet/Russian Soyuz spacecraft , marking more than 60 years of operational history of Sergei Korolyov 's original rocket design. The R-7 and Atlas each required a large launch facility, making them vulnerable to attack, and could not be kept in

4615-443: Was an outgrowth of the rapidly shrinking size and weight of modern warheads and the Strategic Arms Limitation Treaties ( SALT I and SALT II ), which imposed limitations on the number of launch vehicles. It has also proved to be an "easy answer" to proposed deployments of anti-ballistic missile (ABM) systems: It is far less expensive to add more warheads to an existing missile system than to build an ABM system capable of shooting down

4686-407: Was bought by the Italian Army and it was delivered in quantity from August 1915 . While mainly used as a trainer , Avro 504s were also briefly used as bombers at the start of the First World War by the Royal Naval Air Service (RNAS) when they were used for raids on the German airship sheds. Bombing raids and interdiction operations were mainly carried out by French and British forces during

4757-418: Was declared operational in January 1959 at Vandenberg, although it had not yet flown. The first test flight was carried out on 9 July 1959, and the missile was accepted for service on 1 September. The Titan I was another US multistage ICBM, with a successful launch February 5, 1959, with Titan I A3. Unlike the Atlas, the Titan I was a two-stage missile, rather than three. The Titan was larger, yet lighter, than

4828-416: Was decommissioned in compliance with arms control agreements, which address the maximum range of ICBMs and prohibit orbital or fractional-orbital weapons. However, according to reports, Russia is working on the new Sarmat ICBM which leverages Fractional Orbital Bombardment concepts to use a Southern polar approach instead of flying over the northern polar regions. Using that approach, it is theorized, avoids

4899-408: Was successfully carried out by SFC from Abdul Kalam Island, Odisha. The missile is now 20 percent lighter because the use of composite materials rather than steel material. The range has been increased to 7,000 km. By 2012 there was speculation by some intelligence agencies that North Korea is developing an ICBM. North Korea successfully put a satellite into space on 12 December 2012 using

4970-410: Was the first four-engine bomber to equip a dedicated strategic bombing unit during World War I . This heavy bomber was unrivaled in the early stages of the war, as the Central Powers had no comparable aircraft until much later. Long range bombing raids were carried out at night by multi-engine biplanes such as the Gotha G.IV (whose name was synonymous with all multi-engine German bombers) and later

5041-412: Was then widely used by Nazi Germany from mid-1944 until March 1945 to bomb British and Belgian cities, particularly Antwerp and London. Under Projekt Amerika, von Braun's team developed the A9/10 ICBM, intended for use in bombing New York and other American cities. Initially intended to be guided by radio, it was changed to be a piloted craft after the failure of Operation Elster . The second stage of

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