IRIS-T | |
---|---|
Type | Short-range air-to-air missile |
Place of origin | Italy, Germany, Sweden, Greece, Norway, Spain |
Service history | |
In service | December 2005 |
Used by | See operators |
Wars | Russo-Ukrainian War |
Production history | |
Manufacturer | Diehl Defence, Avio spa, Litton Italia, Leonardo S.p.A. [1] |
Unit cost | €140 million (complete battery, FY 2022) [2] €380,000 [3] (~US$430,000) for a missile[ clarification needed ] |
No. built | > 5,000 missiles (as of December 2023) [4] |
Specifications | |
Mass | 87.4 kg (193 lb) |
Length | 2.94 m (9.6 ft) [5] |
Diameter | 127 mm (5.0 in) |
Wingspan | 447 mm (17.6 in) |
Warhead | HE/fragmentation |
Warhead weight | 11.4 kg (25 lb) [6] |
Detonation mechanism | Impact and active radar proximity fuse |
Engine | Solid-fuel rocket |
Operational range | |
Flight ceiling | |
Flight altitude | Sea level to 20,000 m (66,000 ft) |
Maximum speed | Mach 3 |
Guidance system | Infrared homing Combined radar and infrared guidance (IRIS-T SLX) [10] |
Steering system | 4 exhaust vanes and 4 tail wings [1] |
Launch platform | Air-to-air: EF-18, F-4 AUP, F-5 Super Tigris, F-16, Gripen, M-346, Tornado, Typhoon Ground-to-air: IRIS-T SLS, IRIS-T SLM, IRIS-T SLX, NASAMS-3 |
The IRIS-T (infrared imaging system tail/thrust vector-controlled) is a medium range infrared homing air-to-air missile available in both air-to-air and ground defence surface-to-air variants. It also is called AIM-2000. [11] [12]
The missile was developed in the late 1990s–early 2000s by a German-led program to produce a short to medium range infrared homing air-to-air missile to replace the AIM-9 Sidewinder in use by some NATO member countries at the time. A goal of the program was for any aircraft capable of firing the Sidewinder to also be capable of launching the IRIS-T. [13] The air-to-air variant was fielded in 2005.
Surface-to-air defence systems variants came later, with the short-range IRIS-T SLS fielded in 2015, and the medium-range IRIS-T SLM fielded in 2022. One IRIS-T SLM battery, as supplied by Germany to Ukraine, consists of three truck-mounted launchers, carrying eight missiles each (with a range of 40 kilometres or 25 miles), and a separate command vehicle that can be positioned up to 20 kilometres (12 mi) away. The command vehicle integrates multiple radar sources, and is able to launch and track all 24 missiles simultaneously. The IRIS-T SLM can counter surface-to-air missiles and cruise missiles, including low-flying, stealthy missiles such as the Kalibr. [14]
The roots of the IRIS-T date back to 1968 when development began on the Hawker Siddeley SRAAM ("Taildog"). This project ended in 1974 with no production orders. In August 1980, the USA, the UK, Germany and France signed a MoU which aimed to develop two types of AAMs to replace the old ones. The USA developed Advanced Medium-Range Air-to-Air Missile (AMRAAM) to replace AIM-7 Sparrow, while the Europe team develop Advanced Short-Range Air-to-Air Missile (ASRAAM) to replace AIM-9 Sidewinder. This work was dusted off for the UK–German effort, [15] with the Germans providing a new seeker, and the UK providing most of the remaining components.
In 1987, after years of silence on the program, the US proposed a requirement that the weapon must use Sidewinder rails rather than the universal aircraft rail adaptor named the "missile support unit" that had been developed. This delayed the project by one year as the British, German and Norwegian proposals were redesigned. Fearing erosion of its industrial base, the US proposed it would choose the latest version of its existing Sidewinder design with increased manoeuvrability and IRCCM unless the European partners increased the US industrial workshare, [16] designated AIM-9X. [17] However, the Sidewinder upgrade proposal failed to interest NATO buyers.
After German reunification in 1990, Germany found itself with large stockpiles of the Soviet Vympel R-73 missiles (NATO reporting name: AA-11 Archer) carried by the MiG-29 Fulcrum and concluded that the AA-11's capabilities had been noticeably underestimated. [18] Integrating with a helmet-mounted sight, it was found to be more capable in dogfight than the latest AIM-9 Sidewinder. [6] [19] In 1990, Germany withdrew from the ASRAAM project, while the UK resolved to find another seeker and develop ASRAAM according to the original range requirement. [20] In 1992, the missile development programme ultimately separated with the UK the ASRAAM, France the MBDA MICA, US the AIM-9X and Germany electing to restart development on what became the IRIS-T.
In 1995, Germany announced the start of the IRIS-T development, in collaboration with Greece, Italy, Norway, Sweden and Canada. In 1997, Germany had invested more than 500 million DM in this project and held a 46% share. In addition, Italy accounted for 20%, Sweden 18%, Greece 8%, Canada 4% and Norway 3%. [21] Canada later dropped out, while Spain joined as a procurement partner in 2003. [22] The German Air Force took first delivery of the missile in December 2005. [23]
The respective share of the development of the IRIS-T were: [1]
NAMMO Raufoss supplies the rocket engine with its TVC (thrust vector control) for both the IRIS-T air-to-air missile and the SL variants. [24] [25]
In comparison to the AIM-9M Sidewinder, the IRIS-T has higher ECM resistance and flare suppression. [26] Improvements in target discrimination allow for five to eight times longer head-on firing range than the AIM-9M. Its seeker can receive cues from radar, helmet mounted display, infrared search and track device, missile approach warner and data link. [27] It can engage targets behind the launching aircraft, made possible by extreme close-in agility, allowing turns of 60 g at a rate of 60°/s via thrust vectoring and LOAL capability. [5] [28]
The IRIS-T is able to intercept fast-moving and miniature targets, such as air-to-air/surface-to-air missiles and air-to-surface/surface-to-surface missiles and rockets, UAV/drones, and cruise missiles. To improve the probability of a direct hit, the missile is equipped with an active radar proximity fuze. [29]
The IRIS-T has the unique ability, in comparison to other similar missiles such as the AIM-9X, to target and shoot down other air-to-air and surface-to-air missiles, thus offering a 360° defence capability. [5] [27] Surface launched variants of the IRIS-T, the IRIS-T SLS and IRIS-T SLM, have enhanced capabilities to destroy aircraft, helicopters, cruise missiles, air-to-surface missiles, anti-ship missiles, anti-radar rockets and large-calibre rockets. They have a high probability of a killing shot against UAVs and other small manoeuvring threats at very-short and medium-range distances. [30]
The Royal Norwegian Air Force (RNoAF) has tested a new air-to-surface capability developed by Diehl BGT Defence for the IRIS-T. A proof of concept test firing to acquire, track, and engage a target representing a small fast attack boat was conducted in Norway in September 2016, where the IRIS-T missile was launched from an RNoAF F-16AM multirole aircraft. For the air-to-surface role, the missile retains the same standard IRIS-T AAM hardware configuration, including the HE warhead and IIR guidance package, with only an updated software insertion required to deliver the additional ground attack capability. [31] This basic air-to-ground capability provides the ability to acquire, track and engage individual ground targets like boats, ships, small buildings and vehicles. [32]
By June 2024, two variants were available: IRIS-T SLS (short range) with 12 km range and altitude and IRIS-T SLM (medium range) with 40 km range and 20 km maximum altitude. [8] [9] A third variant, IRIS-T SLX (long range) variant with a dual-mode (IR and RF) seeker, a range of 80 km and a maximum altitude of 30 km, is in development as of June 2024 [update] . [33]
Due to increased demand due to the Russian invasion of Ukraine, Diehl Defence is increasing production of IRIS-T systems and missiles. It plans to produce three to four systems in 2024 and at least eight in 2025, with missile production planned to grow to around 400 to 500 per year starting in 2024. [34]
It is the initial variant of the IRIS-T missile.
IRIS-T SLS is the air defence system which uses the IRIS-T AAM with few software modifications. [35] [36] However, its operational range reduces from 25 km to 12 km, and has the ceiling of 6 to 8 km. [7] [37] In 2018, Diehl Defence demonstrated a Bv 410-based IRIS-T SLS system integrated with a Saab Giraffe 1X radar during the ILA.
In 2019, the Swedish Army fielded a ground launched version of the IRIS-T SLS, designated Luftvärnsrobotsystem 98 (lvrbs 98), to replace the RBS 70 missile system. Four missiles are carried on Eldenhet 98 (elde 98) launcher, a special version of a Bv 410 tracked, armored vehicle. [38] [39]
The Norwegian Army ordered the "mobile ground based air defence system", based on NASAMS command and control solutions, in a direct acquisition with Kongsberg Defence & Aerospace. [40] The system will integrate tracked IRIS-T SLS launchers from Diehl Defence GmbH with High Mobility Launchers for AIM-120 and AIM-9X missiles and radars from Weibel Scientific; initial delivery is planned for 2023 and will include six modified M113 vehicles carrying IRIS-T SLS missiles, while additional launchers will be based on the ACSV. [41]
In 2022, Diehl Defence showed a new air defense system called IRIS-T SLS Mk. III at the Eurosatory. It was a modified Mowag Eagle 6x6 armored vehicle integrated with IRIS-T SLS launcher, Hensoldt Spexer 2000 3D AESA, and a .50 machine gun in the remote controlled weapon station. Its STANAG 4569 protection level was level 1, and could be upgraded to level 3 by adding armor kit. [7] This vehicle had integrated the missile launcher, the radar, the sensors and the C2 command system, making it able to operate independently as an air defence system. [42]
IRIS-T SLM is the air defence system which uses the IRIS-T surface-launched (SL) missile, called IRIS-T SL. [43] As a part of the NATO MEADS program, the German Air Force and others are now using IRIS-T SL missile. It has a pointed nose, unlike the regular IRIS-T, with a jettisonable drag-reducing nose cone. The missile uses a GPS-aided inertial navigation system, with radar data link for command guidance during the initial approach. The interference-resistant IR seeker head is activated at the terminal stage. [44] [45]
Compared to the IRIS-T, the diameter of the rocket motor was increased by 25 mm, to 152 mm. Test launches from a battery consisting of a CEA CEAFAR radar, a Diehl IRIS-T SL launcher and an Oerlikon Skymaster battle management system were performed in 2014. [43] The IRIS-T SL qualification tests were completed in January 2015 at the Denel Overberg Test Range in South Africa. [46] A further fire test on the developed system of the IRIS-T SLM was completed in January 2022. [47]
The IRIS-T SLM can be integrated with a variety of electro-optical/infrared (EO/IR) guidance systems and AESA radars, such as Hensoldt TRML-4D, Thales Ground Master 200 MM/C, CEA CEAFAR, and Saab Giraffe 4A. [29] A version with a Lockheed-Martin Skykeeper command and control station, [48] Giraffe 4A radar and Diehl IRIS-T SLM launcher was shown at IDEX 2019 under the name Falcon Ground Based Air Defence. [49] [50] [51]
Egypt ordered Diehl IRIS-T SLM launchers, Hensoldt TRML-4D radars, and fire and control stations equipped with Airbus Defence Fortion IBMS [52] integrated battle management software, all mounted on MAN 8×8 military trucks; the deal was approved by the German government in December 2021. [53] Further orders includes Hensoldt TwInvis passive radars, [54] [55] IRIS-T SLS launchers and IRIS-T SLX long-range missiles. [9] [56] [57] Passive radars can detect enemy aircraft by analysing reflections from external radio and television signals, making them effective in urban areas where active radars struggle. [58]
The German Air Force is to receive its first IRIS-T SLM system in 2024 and five more by 2027. Also, mixed SLS/SLM systems are being planned. [59]
IRIS-T SLX is the air defence system which will use the new upgraded IRIS-T surface-to-air missile. It has the operational range of 80 km and ceiling of 30 km. [9] It will also use a combined radar and infrared seeker. [10] On 29 May 2024, Diehl Defence claimed that a missile model of the developing IRIS-T SLX will be displayed in the upcoming ILA 2024. [33]
Diehl mentioned in 2022 that it was working on a 6th generation of short-range air-to-air missiles, and it is known as the "Future Combat Air-to-Air Missile". This missile is being designed to become one of the weapons of the European Future Combat Air System. [60]
For the air-to-surface role, the only difference from air-to-air version is an updated software insertion required to deliver the additional ground attack capability. Tested by the Royal Norwegian Air Force. [61]
Diehl mentioned that the IRIS-T SLM missile was being integrated to the Mk 41 vertical launching system. [62]
The IDAS variant is a naval version of the missile, and is also being developed for the new Type 212A submarine of the German Navy. IDAS is supposed to engage air threats, small or medium surface vessels or near land targets. [63]
The latest stage of development qualification is planned for 2024. [64]
On 19 October 2022, Ukrainian sources stated that an IRIS-T air defense system had shot down a Russian missile in Chernihiv Oblast, thirty kilometers from Kyiv. Photos of the wreckage of an IRIS-T missile were shared on social media, and Ukrainian president Volodymyr Zelenskyy has said that IRIS-T "is a really effective system" and "has shown itself very well", but there was no evidence that the German IRIS-T SLM shot down that particular missile, and some Ukrainian sources stated that it had been shot down with a different system. [65]
On 24 October 2022, at the opening of the 5th Business Forum on the Reconstruction of Ukraine, the Prime Minister of Ukraine Denys Shmyhal noted that German IRIS-T system had the highest successful hit rate among others in the Armed Forces of Ukraine. It could destroy 9 out of 10 Russian missiles. [66]
Following another Russian missile attack against Ukraine on 31 October 2022, the Ukrainian Air Force stated that IRIS-T missiles had a 100% success rate countering the attack. [67]
On 15 November, footage appearing to show the IRIS-T system shooting down two cruise missiles circulated. One missile appeared to be a Kalibr cruise missile. [68] [69]
During the 2023 Ukrainian counteroffensive, a TRML-4D multi-functional radar from the IRIS-T SLM air defense system was destroyed by a Russian Lancet drone. [70] [71]
On 23 November 2023, the German Federal Ministry of Defence announced that an additional four IRIS-T SLM medium-range air defense systems will be supplied to Ukraine as part of a military aid package worth more than €1.3 billion (US$1.4 billion). The systems will be supplied from 2025. The package also includes drones and drone-defense systems, demining vehicles, satellite communications, electronic warfare equipment, directional anti-tank mines and artillery shells. [72]
On 29 December 2023, footage appearing to show the radar unit of a Ukrainian IRIS-T air defense system was reportedly struck and likely severely damaged by Russian-guided bombs. [73]
The following operators are listed and defined as of June 2023.
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What also was critical with R-73 was its integration with a helmet-mounted sight, allowing impressive off-boresight shots.
the IRIS-T SLS Air Defence System based on the Saab GIRAFFE AMB radar with an integrated command & control system and the original IRIS-T missile
Programma, in cooperazione internazionale con GERMANIA, SVEZIA, GRECIA, CANADA e NORVEGIA relativo allo sviluppo e produzione e supporto in sevizio di 444 missili aria/aria a corto raggio di nuova generazione