Wikipedia

Arrow 3

For the railcar, seeArrow (railcar).

TheArrow 3orHetz 3(Hebrew:חֵץ 3,pronounced[ˈχet͡s]orpronounced[ˈħet͡s]) is anexoatmospherichypersonicanti-ballistic missile,jointly funded, developed and produced by Israel and the United States. Undertaken byIsrael Aerospace Industries(IAI) andBoeing,it is overseen by theIsraeli Ministry of Defense's"Homa"(Hebrew:חומה,pronounced[χoma],"rampart") administration and the U.S.Missile Defense Agency.It provides exo-atmospheric interception of ballistic missiles (during the space-flight portion of their trajectory), includingintercontinental ballistic missiles(ICBMs)[3][4]carrying nuclear, chemical, biological or conventional warheads. With divert motor capability, its kill vehicle can switch directions dramatically, allowing it to pivot to see approaching satellites.[5]The missile's reported flight range is up to 2,400 km (1,500 mi).[6]

Arrow 3
Arrow 3
Arrow 3 test launch, January 2014.
TypeExoatmospherichypersonicanti-ballistic missile
Place of originIsrael
United States
Service history
Used byIsrael
Wars2024 Iran–Israel conflict, Red Sea crisis
Production history
DesignerIsrael Aerospace Industries
ManufacturerIsrael Aerospace Industries,Boeing
Produced2017–present
Specifications
EngineTwo-stage
Operational
range
2400km[1]
Flight ceiling>100km
Maximum speedHypersonic[2]
Guidance
system
Inertial navigation system(INS)gimbaledseeker
Steering
system
Thrust vectoring
Launch
platform
Rapid launch fortified underground silos

According to the chairman of theIsraeli Space Agency,Arrow 3 may serve as ananti-satellite weapon,which would make Israel one of the world's few countries capable of destroying orbiting satellites.[5]

Background

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Main article:Arrow (missile family) § Background

In August 2008 the Israeli and United States governments began development of an upper-tier component to the Israeli Air Defense Command, known as Arrow 3, "with a kill ratio of around 99 percent".[7]The development is based on an architecture definition study conducted in 2006–2007, determining the need for the upper-tier component to be integrated into Israel's ballistic missile defense system. According to Arieh Herzog, then Director of Israel Missile Defense Organization (IMDO), the main element of this upper tier will be an exoatmospheric interceptor, to be jointly developed by IAI and Boeing.[8]

The new component will also require the integration of longer range detection, tracking and discrimination capability, beyond what the"Green Pine" and "Super Green Pine"radars employed with the Arrow 2 are providing. Among the advanced sensors considered for Israel's future multi-tier system, are airborneelectro-opticalsensors deployed on high flyingunmanned aerial vehiclesand future enhanced "Green Pine" radars, as well as theAN/TPY-2radar already deployed in Israel, and operated by U.S. forces.[8][9]

The multibillion-dollar development program of the Arrow is a joint development between Israel and the United States.

U.S. contributions to Arrow 3 program
Fiscal year Millions of U.S. dollars
2008 30.0[10]
2009 50.036[10]
2010 58.966[10]
2011 66.220[10]
2012 74.700[10]
2013 74.707[10]
2014 74.707[10]
2015 89.550[10]
2016 20.0[10]
2017 204.893[11]
2018 310.0[11]
2019 80.0[11]
2020 55.0[11]
2021 77.0[11]

Development

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Arrow 3 launch in February 2013.
An exo-atmospheric interception on 10 December 2015.

The design of Arrow 3 promises to be an extremely capable system, more advanced than what we have ever attempted in the U.S. with our programs. [...] This has to do with the seekers that have greater flexibility and other aspects, such as propulsion systems – it will be an extremely capable system.

Lt. Gen.Patrick J. O'Reilly, Director of the U.S.Missile Defense Agency[8](2009)

IAI began preliminary tests of the Arrow 3 in 2011. The company will not specify what tests were performed, but they are part of the preparations for a full fly-out test.[12]On 23 January 2012, theIsraeli Ministry of Defensereleased photographs and video of the recent successfully fly-out tests fromPalmachim Airbase.During the tests, a model of the interceptor missile was launched in order to check the starting and propulsion system, as well as other tracking sensors.[13]

On 23 January 2012, IAI announced an agreement to jointly work on the Arrow 3 with Boeing.[14]Boeing is responsible for 40–50 percent of the production content of the Arrow 3. Expected work content includes motorcases, shroud, canister, safe & arm / ignition devices, power devices (batteries), and inertial navigation units, as well as several avionics packages and actuators & valves.[15]

On 25 February 2013, a fly-out test of the Arrow 3 was conducted from Palmachim Airbase. The launch tested the missile control and engines. According to a senior defense source, the missile obtained hypersonic speed, and reached an altitude of 100 km (62 mi), entering space. It followed various objects,such as stars,and gained further altitude. Its engine stopped after six minutes.[16]

On 3 January 2014, another successful test of the Arrow 3 was conducted from Palmachim Airbase. During the test the interceptor entered space and carried out a range of maneuvers in response to a virtual incoming enemy missile. The test involved the activation of two of the interceptor's engines, the first of which brought it into space, and the second allowing it to carry out complex maneuvers.[17]

In December 2014 a test aimed to debut an exo-atmospheric intercept capabilities of Arrow 3 has been characterized as a "no test", given that "conditions did not allow for" actual launch of the intercepting missile.[18][19]

On 10 December 2015, Arrow 3 scored its first intercept in a complex test designed to validate how the system can detect, identify, track and then discriminate real from decoy targets delivered into space by an improvedSilver Sparrowtarget missile.[20]According to officials, the milestone test paves the way towardlow-rate initial productionof the Arrow 3.[20]

On 19 February 2018, Arrow 3 flight test took place in Israel. Another test took place on 22 January 2019.[21]

In a series of tests in July 2019 at thePacific Spaceport ComplexinKodiak, Alaska,the Arrow 3 system successfully intercepted 3 "enemy" rockets, one of them outside the atmosphere. The tests demonstrated Arrow 3's ability to intercept exo-atmospheric targets.[22][23]

Specifications

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Arrow 3 static display at ILA 2024
External images
Arrow 3 kill vehicle on display at the 2009 Paris Air Show
Computer-generated image of Arrow 3 kill vehicle in space

Israel Aerospace Industries announced in June 2009, that the Arrow 3 patented[24]exoatmospheric interception method includes a two-stage interceptor, like the Arrow 2, but purely based on hit-to-kill technology.[25]Unlike mostkill vehicles,which use liquid or gas propulsion, the new Israeli kill vehicle will be propelled by an ordinarysolid rocketmotor equipped with a thrust-vectoring nozzle.[9]It will also be fitted with agimbaledseeker forhemisphericcoverage. By measuring the seeker'sline-of-sight propagationrelative to the vehicle's motion, the kill vehicle will useproportional navigationto divert its course and line up exactly with the target's flight path.[9]Joseph Hasson,chief missile designer at IAI, who patented the new kill vehicle with his colleagueGalya Goldner,says that the concept is relatively simple, reliable and inexpensive, and is based on mature technologies. Furthermore, the kill vehicle's divert capability and agility reduce the need for detection and tracking systems, which usually accompany remote sensor-assisted exoatmospheric kills.[9]IAI displayed a full-sized model of the Arrow 3 missile and its kill vehicle at the June 2009Paris Air Show.[26]

Arrow 3 should be able to intercept ballistic missiles, especially those carryingweapons of mass destruction,[27]at altitudes of over 100 km (62 mi),[28]and in greater ranges.[10]It could also be ship-based.[29]Arrow 3 is faster[10]than the Arrow 2 and slightly smaller,[9]weighing nearly half.[30]

An Arrow 3 battery is expected to intercept salvos of more than five ballistic missiles within 30 seconds. Arrow 3 can be launched into an area of space before it is known where the target missile is going. When the target and its course are identified, the Arrow interceptor is redirected using its thrust-vectoring nozzle to close the gap and conduct a "body-to-body" interception.[31]

Arrow 3 may have a reduced 30-year life-cycle cost.[26]It should use the same launch system as Arrow 2.[14]In 2010 it was reported to cost $2–3 million per unit,[32]while program cost was estimated at $700–$800 million over three years.[33]

According to numerous Israeli experts, including Prof.Yitzhak Ben Yisrael,former director of the IsraeliAdministration for the Development of Weapons and Technological Infrastructureand currently the chairman of theIsraeli Space Agency,it is also possible that the Arrow 3 could serve as ananti-satellite weapon.[5]

Production

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Stark, a U.S.-based subsidiary of Israel Aerospace Industries, was chosen to manufacture canisters for the Arrow 3, and made the first delivery in September 2018.[34]

Deployment

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According toJane's Defence Weeklyin 2013, a solicitation that outlines the expansion of an Israeli Air Force facility atTal Shahar,roughly halfway betweenJerusalemandAshdod,nearBeit Shemesh,indicates that almost certainly it will be used for four Arrow 3 launchers on sites cut into the surrounding hills. The estimated completion date would be around the end of 2014.[35]Each of the four launchers will have six missiles for a total of 24 interceptors.[35]The plans for the base were revealed in a routineUnited States Department of Defensecontract solicitation.[36]Arrow 3 was declared operational on 18 January 2017.[37]

On 31 October 2023, an Arrow 2 missile intercepted a long-range ballistic missile launched at Israel fromHouthisinYemen.This marks its first operational use during a war, and its first interception of a ground to ground ballistic missile.[38][39]Since the interception occurred outside ofEarth'satmosphere,it is considered to be the first ever instance ofspace warfare.[40][41][42]

On 9 November 2023, for the first time, the Arrow 3 successfully intercepted aHouthimissile heading fromYemento the country's southernmost city ofEilat.[43]

On 13 April 2024,Iran carried out a massive missile and drone attack,targeting major military centers in Israel. The attack was intercepted and thwarted by missile interception systems, such as the Israeli Arrow 3 system,[44]with the cooperation of theUnited States,Jordan,theUnited KingdomandFranceon 14 April 2024.[45]

On 14 and 28 September 2024Houthiballistic missiles were intercepted by the Arrow 3 system.[46][47]

On October 1st, 2024, during theOctober 2024 Iranian strikes against Israel,the Arrow 3 system was used to intercept ballistic missiles.

Exports

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Future operators

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  • Germany— Germany is purchasing the system as part of theEuropean Sky Shield Initiativeto defend against Russian missiles.[48]An agreement was approved by theBundestagin June 2023 with the systems expected to be operational by 2025.[49][50]The deal received approval from the United States in August 2023.[51]Israel's defence ministry said that the deal, valued atUS$3.5 billion, is the biggest defence purchase in Israeli history.[52]

Potential operators

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See also

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References

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