AN/TWQ-1 Avenger

Last updated
AN/TWQ-1 Avenger
Avenger missile.jpg
An Avenger air defense missile system.
TypeHybrid mobile surface-to-air missile launcher system and self-propelled anti-aircraft gun
Place of originUnited States
Service history
In service1989–present
Used by United States Army
United States Marine Corps, Ukrainian Military, Peshmerga (Kurdistan Army)
Production history
Manufacturer Boeing
Produced1980s–present
No. builtOver 1,100 [1]
Specifications
Mass8,600 pounds (3,900 kg)
Length16 feet 3 inches (4.95 m)
Width7 feet 2 inches (2.18 m)
Height8 feet 8 inches (2.64 m)
Crew2 (Basic), 3 (STC)
Main
armament
4/8 FIM-92 Stinger missiles
Secondary
armament
.50  FN   M3P machine gun [2]
EngineDetroit Diesel cooled V-8
135 horsepower (101 kW)
Operational
range
275 miles (443 km)
Maximum speed 55 miles per hour (89 km/h)

The Avenger Air Defense System, designated AN/TWQ-1 under the Joint Electronics Type Designation System, is an American self-propelled surface-to-air missile system which provides mobile, short-range air defense protection for ground units against cruise missiles, unmanned aerial vehicles, low-flying fixed-wing aircraft, and helicopters. [3]

Contents

The Avenger was originally developed for the United States Armed Forces and is currently used by the U.S. Army. The Avenger system was also used by the U.S. Marine Corps. [4]

History

Originally developed as a private venture by Boeing in the 1980s, the Avenger was developed over a period of only 10 months from initial concept to delivery for testing to the U.S. Army. Initial testing was conducted in May 1984 at the Army's Yakima Training Center in the U.S. state of Washington. During testing three FIM-92 Stinger missiles were fired. During the first test firing the system achieved a direct hit while the Avenger was moving at 20 miles per hour (32 km/h). [3]

The second test firing, conducted at night while stationary, also achieved a direct hit. The third test firing, conducted while on the move and in the rain, did not achieve a direct hit, but did pass within the missile's kill range, so the shot was scored as a tactical kill. All three test shots were conducted by operators who had never fired the missile before. [3]

In 1987, the U.S. Army awarded the first production contract for 325 units. [5] In 1989, the system began its Initial Operational Test and Evaluation (IOT&E) series of tests. The tests were conducted in two stages with Stage 1 consisting of acquisition and tracking trials at Fort Hunter Liggett, California, and Stage 2 consisting of live-fire testing at White Sands Missile Range, New Mexico. In February 1990, the Avenger system was deemed operationally effective and began replacing the M163 and M167 VADS. [6] Two variants were deployed based on the Humvee chassis: M998 HMMWV Avenger and M1097 Heavy HMMWV Avenger.

The first operational deployment of the system occurred during the buildup for the Persian Gulf War. With the success of this deployment, the U.S. Army signed an additional contract for another 679 vehicles, bringing the total order to 1,004 units. The Avenger was again deployed in support of NATO operations during the Bosnian War. [5] The Avenger system received widespread public exposure when it was placed around the Pentagon during the first anniversary of the September 11 attacks of 2001. [7] The Avenger was also deployed during the U.S. military's operations in Afghanistan and Iraq. [5]

In 2004, the U.S. Army had 26 battalions with Avenger Short-Range Air Defense (SHORAD) capabilities, but prioritization of other weapon systems during operations in Afghanistan and Iraq caused that number to drop to nine by early 2017, of which two were within the active force and seven were in the Army National Guard. [8] Of the over 1,100 Avengers built only about 400 remain in service. [9] In March 2018, in response to renewed Russian aggression since the 2014 annexation of Crimea, the 678th Air Defense Artillery Brigade deployed to Europe, the first time an American air defense unit had been sent there since the Cold War. The Army plans to deploy 72 Avenger sets to support U.S. European Command. [10]

During protests regarding the Dakota Access Pipeline near Standing Rock, the North Dakota National Guard deployed an Avenger system as an observation platform. It was employed for over a month to observe areas within Morton County where numerous instances of criminal trespass and mischief had occurred. The unarmed Avenger was used to support public safety in southern Morton County. The Avenger system was removed in order to deescalate any tensions its presence may have caused. [11]

In April 2017, an Avenger fired Stingers at two UAVs in a test on Eglin Air Force Base, marking the missile's first interception of a UAV target. While Stingers are usually loaded with direct impact warheads for use against aircraft and cruise missiles, these were equipped with proximity fuzes that enabled them to detonate near the target, giving them the ability to destroy small UAVs. Since small UAVs do not produce large heat signatures, the Avenger uses a laser rangefinder in combination with an antenna on the warhead to direct the missile on target. The Stingers shot down an MQM-170C Outlaw and a smaller, unidentified system, demonstrating the fuze's ability to detect and destroy moving mini-drones weighing as little as 2–20 kg (4.4–44.1 lb). [12] [13] [14]

On 30 September 2020, the U.S. Army awarded General Dynamics a contract to deliver the Interim Maneuver SHORAD (IM-SHORAD), a Stryker armored vehicle fitted with heavier weapons to replace the outdated, unarmored, and undergunned Avenger Humvee. [15]

In November 2022, four Avenger air defense systems were included as part of a $400 million military aid package supporting Ukraine during the 2022 Russian invasion of Ukraine to defend critical civilian infrastructure against cruise missile and Iranian-made Shahed-136 lethal drone attacks which were launched by Russia in October 2022. [16] Another eight were included in a package in January 2023. [17] The first arrived in Europe in early February and were seen in service by late March. [18] Ukraine has received some 12 units, as of June 2023, with the crews being trained in Europe by United States instructors. [19]

Overview

A Stinger missile being launched from an Avenger platform at Onslow Beach, North Carolina, in April 2000. Avenger Stinger Missile.JPEG
A Stinger missile being launched from an Avenger platform at Onslow Beach, North Carolina, in April 2000.

The Avenger comes mainly in three configurations, the Basic, Slew-to-Cue, and the Up-Gun.

The Basic configuration consists of a gyro-stabilized air defense turret mounted on a modified heavy Humvee. The turret has two Stinger missile launcher pods, each capable of firing up to 4 fire-and-forget infrared/ultraviolet guided missiles in rapid succession. [3] The Avenger can be linked to the Forward Area Air Defense Command, Control, Communications and Intelligence (FAAD C3I) system, which permits external radar tracks and messages to be passed to the fire unit to alert and cue the gunner. [6]

The Slew-to-Cue (STC) subsystem allows the commander or gunner to select a FAAD C3I reported target for engagement from a display on a Targeting Console developed from VT Miltope's Pony PCU. [20] Once the target has been selected, the turret can be automatically slewed directly to the target with limited interaction by the gunner. [6]

The Up-Gun Avenger was developed specifically for the 3rd Armored Cavalry Regiment for the Regiment's 2005 deployment to Iraq. The modification was designed to allow the Avenger to perform unit and asset defense in addition to its air defense mission. The right missile pod was removed and the M3P 12.7 mm (.50) cal machine gun was moved to the pod's former position. This allowed for the removal of the turret's cab safety limits which enabled the gun to be fired directly in front of the HMMWV. [21] Eight of the unit's Avengers were modified to this configuration. [5] With the 3rd ACR's redeployment from Iraq, the Up-Gun Avenger completed its role in Operation Iraqi Freedom and the Avengers have been scheduled to be converted back to STC systems.

Variants

Boeing/Shorts Starstreak Avenger

M1097 Avenger launching Starstreak missile Avenger 04.jpg
M1097 Avenger launching Starstreak missile

Boeing teamed with Shorts Brothers PLC (now part of Thales) to offer an Avenger system in which one Stinger pod was replaced with a pod of four Starstreak Hyper-velocity laser-guided missiles, in the hopes of attracting a U.S. Army contract under the Forward Area Air Defense System Line-of-Sight Rear (FAADS-LOS-R) program. Test installation was carried out in mid-1990 and firing trials followed from mid-1991 in the U.K. Starstreak would have complemented the Stinger by improving the overall systems ability to deal with low hovering helicopters which frequently do not provide enough contrast for lock-on by infrared guided missiles. Starstreak also has the ability to be used against un-armored and lightly armored ground vehicles.

Boeing/Matra Guardian

In the 1990s Boeing teamed with Matra of France to offer the Avenger modified by the substitution of standard triple launcher boxes for Matra Mistral missiles in place of the quadruple Stinger pods of the standard Avenger. One demonstrator vehicle was built in 1992 and test firings took place in France. The project was dropped around 1997.

Avengers during the Iraq War

Due to the lack of serious airborne threats during much of the Iraq War, along with the pressing need for ground assets for combat roles such as convoy protection, the Avenger was pressed into this role. [22] The FLIR/laser rangefinder combined with the 12.7 mm (.50) cal machine gun has proved to be very effective, but was limited by no-fire zones, particularly to the front of the vehicle. [23] A program was instituted to remove one of the missile pods and move the machine gun to that position to enable a 360° field of fire. [24] The upgrade also increased the ammunition capacity to 650 rounds.

Avenger DEW

Another potential variant proposed by Boeing is an Avenger with a Directed Energy Weapon (DEW). Boeing completed an initial test of a 1 kW laser mounted where the right missile pod would be. [25] The M3P 12.7 mm (.50) cal has been replaced by the M242 Bushmaster as its close defense weapon.[ citation needed ]

Avenger Multi-Role Weapon System

Test firing demonstrations of this variant took place in 2004. It is modified by re-locating the M3P machine gun over the turret cab to allow a 360-degree field of fire, increasing ready-use machine gun ammunition stowage to 600 rounds, and providing the option to substitute launchers for 2 FGM-148 Javelin missiles in place of 1 Stinger pod. [26]

Accelerated Improved Interceptor Initiative (AI3)

In February 2012, Raytheon was awarded a contract to develop the AI3, a modified AIM-9 Sidewinder missile mounted on the Avenger launcher, to perform counter rocket, artillery, mortar (C-RAM), counter unmanned aerial vehicle (C-UAV), and counter cruise missile duties. [27]

In 2013, the US Army decided to not buy the system. [28]

In August 2014, the system successfully intercepted a UAV and cruise missile target featuring a semi-active radar homing seeker in a test. [29]

Other variants

Boeing have proposed that the Avenger PMS turret could be mounted on other vehicles such as Unimog truck, BV-206 all-terrain vehicles, M113 APC, and M548 tracked cargo carrier as well as being used as a stationary ground mount on a pallet for defense of static targets. The Avenger PMS has been demonstrated with a mock-up of two 70 mm helicopter-type rocket pods carrying a total of 36 rockets to give the system greater multi-mission utility. Other missiles such as the Bofors RBS 70/Bolide have been proposed for use on the Avenger PMS.

In March 2017, Boeing revealed a modernized Avenger system fitted with AIM-9X Sidewinder and Longbow Hellfire missiles on the sides and a directed energy weapon affixed to the top. It is also planned to be integrated onto other platforms including the JLTV, Stryker, and Bradley Fighting Vehicle. [30] While Boeing had configured a Stryker with the Avenger turret to fulfill the Army's Interim Maneuver-Short-Range Air Defense (IM-SHORAD) requirement, the Army ultimately decided against the idea, feeling it would require major modifications to the vehicle and because of the company's desire for the service to supply the turrets, of which there were a limited amount existing readily in the inventory. [31]

During a 2017 joint French-Egyptian naval exercise, an AN/TWQ-1 Avenger was mounted onto the helicopter flight deck of a Mistral-class amphibious assault ship to provide ad-hoc close-range air defense. The ship was originally slated to be sold to Russia, but the sale was canceled due to international sanctions imposed on Russia following the Annexation of Crimea. The ship was sold to the Egyptian navy without the originally planned Russian air defense systems. [32]

Specifications

A Taiwanese Avenger Avenger Air Defense System in Songshan Air Force Base 20110813a.jpg
A Taiwanese Avenger
The operator's cabin on a US Army Avenger 2nd LAAD Conducts Stinger Live Fire Exercises 160607-M-AD586-021.jpg
The operator's cabin on a US Army Avenger

Dimensions

Sensors

Weapons

Operators

See also

Comparable systems

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References

  1. ↑ "AN/TWQ-1 Avenger Number of Built". Army Recognition. 15 March 2018. Archived from the original on 31 October 2019. Retrieved 17 March 2022.
  2. 1 2 "Weapon Systems > FN® M3P". FN America . n.d. Archived from the original on 2 March 2022. Retrieved 8 March 2022.
  3. 1 2 3 4 "Avenger AN/TWQ-1 (United States)". Jane's Land Based Air Defense. Janes Information Services. 20 September 2011. Archived from the original on 14 June 2012.
  4. ↑ "STINGER / AVENGER". Redstone Arsenal . US Army. n.d. Archived from the original on 5 November 2010. Retrieved 17 March 2022.
  5. 1 2 3 4 "Avenger Low Level Air Defense System, USA". Army Technology. 12 June 2001. Archived from the original on 9 February 2022. Retrieved 17 March 2022.
  6. 1 2 3 "Avenger (Pedestal Mounted Stinger)" . GlobalSecurity.org . n.d. Archived from the original on 11 March 2022. Retrieved 17 March 2022.
  7. ↑ Wong, Alex. "Stinger Missile In Nation's Capital". Life . Archived from the original on 11 June 2011. Retrieved 17 March 2022.{{cite magazine}}: Unknown parameter |agency= ignored (help)
  8. ↑ Short-range air defense making a fast comeback – Defensenews.com, 10 February 2017
  9. ↑ Boeing Upgrades Air Defense Vs. Russians: Avenger SHORAD - Breakingdefense.com, 14 April 2017
  10. ↑ US air defense artillery brigade back in Europe for first time since the Cold War. Army Recognition. 3 April 2018.
  11. ↑ Axe, David (18 January 2017). "National Guard Pulls Missile Launchers Away from Standing Rock Protesters". The Daily Beast.
  12. ↑ Famous Army Stinger Missile Proximity Fuse Now Destroys Moving Mini-Drones - Scout.com/Military, 2 June 2017
  13. ↑ Proximity-fuzed Stinger Missiles Down Small Unmanned Systems - Defensemedianetwork.com, 2 June 2017
  14. ↑ Stinger missiles intercept drones in a first with new fuzes Archived 2021-09-27 at the Wayback Machine - C4ISRnet.com, 7 June 2017
  15. ↑ GDLS Gets $1.2B For 144 Army Anti-Aircraft Strykers. Breaking Defense. 1 October 2020.
  16. ↑ US sending Ukraine $400 million in military aid. Defense News . 10 November 2022.
  17. ↑ Ukraine Contact Group meeting caps off deluge of new arms pledges, but no German Leopards. Breaking Defense. 20 January 2023.
  18. ↑ US AN/TWQ-1 Avenger air defense systems now in service with Ukrainian army. Army Recognition. 20 March 2023.
  19. ↑ Balmforth, Tom (20 June 2023). "Ukraine builds layered air defences as Russia ramps up strikes". Yahoo! News.
  20. ↑ Pony PCU (United States) - Janes C4I Systems
  21. ↑ James, Lynda (1 July 2005). "Fast work for a big request | Boeing team gives troops in Middle East extra firepower". Boeing Frontiers. Vol. 4, no. 3. Boeing. Archived from the original on 15 May 2021. Retrieved 17 March 2022. The Army and Boeing quickly began to address the 3ACR's requirement with changes to Avenger. Among them: removing one of the Stinger ground-to-air missile pods so that the .50 caliber machine gun could be moved up and mounted in its place. Repositioning the gun allowed for 360-degree coverage, eliminating no-fire zones around the cab of the High Mobility Multipurpose Wheeled Vehicle, commonly known as a Humvee, on which the Avengers are mounted. An additional design modification almost tripled the machine gun's firepower, giving soldiers 650 armor-piercing/incendiary .50-caliber bullets for protection.
  22. ↑ Air Defense Artillery April-June 2005 Archived March 27, 2009, at the Wayback Machine
  23. ↑ FM 44-44 - AVENGER PLATOON, SECTION, AND SQUAD OPERATIONS
  24. ↑ "Giving Troops Extra Firepower - Boeing". Archived from the original on 2006-03-18. Retrieved 2006-09-12.
  25. ↑ "Javelin Avenger Variant Testing Details - Defense Update". Archived from the original on 2009-05-16. Retrieved 2009-05-11.
  26. ↑ "Accelerated Improved Interceptor Initiative (AI3)"
  27. ↑ Fein, Geoff (21 October 2013). "AUSA 2013: US Army halts AI3 C-RAM buy despite successful tests". IHS Jane's Defence Weekly. Retrieved 4 September 2014.
  28. ↑ Forrester, Anna (August 29, 2014). "Thomas Bussing: Raytheon AI3 Missile Built to Complement Army Ground Weapon System". ExecutiveBiz. Retrieved 4 September 2014.
  29. ↑ '80s flashback: Boeing soups up old Avenger for short-range air defense gap - Defensenews.com, 14 March 2017
  30. ↑ US Army’s interim short-range air defense solution crystallizes. Defense News. 29 June 2018.
  31. ↑ "Watch: Egyptian Navy Uses Avenger Air Defense System for its Mistral-Class Ships". Israel Defense. 2017-07-19. Retrieved 2021-04-21.
  32. ↑ "Oro gynyba tampa vienu iš svarbiausių aspektų tiek atgrasyme, tiek kariniame konflikte". kariuomene.lt (in Lithuanian).
  33. ↑ "Lietuvoje vieši JAV Oro pajėgų štabo viršininkas: dar kartą patvirtino geležinį JAV įsipareigojimą Lietuvos saugumui". DELFI (in Lithuanian). Retrieved 2022-12-26.
  34. ↑ Schichun, Wang (9 July 2018). 台军列装新型防空雷达 无法根治防空孱弱问题 [The new air defense radar installed by the Taiwan army cannot solve the problem of weak air defense]. Observer Network (in Chinese (China)). Archived from the original on 28 October 2019. Retrieved 8 March 2022.
  35. ↑ Oryx. "Answering The Call: Heavy Weaponry Supplied To Ukraine". Oryx. Retrieved 2023-06-20.
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