The AN/ASQ-213[1]HARM targeting system is a targeting pod mounted to the right engine inlet hardpoint of an F-16 fighter jet that enables the aircraft to track the location of hostile radar systems in any weather, and identify them to allow for usage of the AGM-88 HARM or other air-to-ground weapons.[2] It greatly assists in SEAD and DEAD operations, where surface to air missile (SAM) sites are being either directly attacked or threatened, and therefore suppressed, by aircraft carrying anti-radar missiles and other munitions. While the firing of anti-radar missiles is possible through the usage of HARMs in Harm As Sensor (HAS) mode, a HTS pod greatly reduces the workload of the pilot, increases the precision of the HARM, and allows for HARMs to be fired while pointed away from the SAM site being attacked when in Equation of Motion (EOM) mode.[3]
As an aircraft flies closer to a SAM site and is scanned by the radar for longer, the quality of the HTS pod's report of the location of the SAM site increases. This is represented by the PGM(Position Quality) number. A single F-16 is capable of attaining a PGM5 track, the lowest quality track, up to PGM2. When combined with the F-16's datalink system, a squadron is capable of triangulating the position of SAM systems with a high degree of precision, allowing for the highest quality track, PGM1.[4]
In combat, the pod displays the range, bearing, and type of threats to the aircraft in relation to itself. During flight, the pilot may adjust the area scanned by the pod as well as the frequencies scanned to optimize threat detection and ranging.
Development
After the deactivation of the successful F4 Phantom which was the Wild Weasel IV, the contract for the creation of the HTS pod was awarded to Texas Instruments Corp (The defense business of which was sold to Raytheon in 1997 for $2.95 Billion USD).
After the successes of the original design of the HTS pod, future upgraded variants featured vastly improved ranging speed and improved threat identification, as well as improving the frequency covered and the number of targets which could be tracked at once.[5]
The AGM-88 HARM is a tactical, air-to-surface anti-radiation missile designed to home in on electronic transmissions coming from surface-to-air radar systems. It was originally developed by Texas Instruments as a replacement for the AGM-45 Shrike and AGM-78 Standard ARM system. Production was later taken over by Raytheon Corporation when it purchased the defense production business of Texas Instruments.
Raytheon, now a business segment of RTX Corporation, was formerly known as the Raytheon Company. The Raytheon Company was a major U.S. defense contractor and industrial corporation with manufacturing concentrations in weapons and military and commercial electronics. It was previously involved in corporate and special-mission aircraft until early 2007. Raytheon was the world's largest producer of guided missiles. In April 2020, the Raytheon Company merged with United Technologies Corporation to form Raytheon Technologies, which changed its name to RTX Corporation in July 2023.
Raytheon Missiles & Defense (RMD) was one of four business segments of RTX Corporation. Headquartered in Tucson, Arizona, its president is Wes Kremer. The business produced a broad portfolio of advanced technologies, including air and missile defense systems, precision weapons, radars, and command and control systems. Raytheon Intelligence & Space was merged with Raytheon Missiles & Defense in July 2023 to form the Raytheon business segment.
The Grumman A-6 Intruder is an American twinjet all-weather attack aircraft developed and manufactured by American aircraft company Grumman Aerospace and formerly operated by the U.S. Navy and U.S. Marine Corps.
Wild Weasel is a code name given by the United States Air Force (USAF) to an aircraft of any type equipped with anti-radiation missiles and tasked with the suppression of enemy air defenses (SEAD): destroying the radar and surface-to-air missile (SAM) installations of enemy air defense systems. The task of a Wild Weasel aircraft is to bait enemy anti-aircraft defenses into targeting it with their radars, whereupon the radar waves are traced back to their source, allowing the Weasel or its teammates to precisely target it for destruction.
Suppression of Enemy Air Defenses (SEAD, pronounced ), also known in the United States as "Wild Weasel" and (initially) "Iron Hand" operations, are military actions to suppress enemy surface-based air defenses, including not only surface-to-air missiles (SAMs) and anti-aircraft artillery (AAA) but also interrelated systems such as early-warning radar and command, control and communication (C3) functions, while also marking other targets to be destroyed by an air strike. Suppression can be accomplished both by physically destroying the systems or by disrupting and deceiving them through electronic warfare. In modern warfare, SEAD missions can constitute as much as 30% of all sorties launched in the first week of combat and continue at a reduced rate through the rest of a campaign. One quarter of American combat sorties in recent conflicts have been SEAD missions. Despite generally being associated with aircraft, SEAD missions may be performed using any means, including through actions by ground forces.
The AGM-154 Joint Standoff Weapon (JSOW) is a glide bomb that resulted from a joint venture between the United States Navy and Air Force to deploy a standardized medium range precision guided weapon, especially for engagement of defended targets from outside the range of standard anti-aircraft defenses, thereby increasing aircraft survivability and minimizing friendly losses. It is intended to be used against soft targets such as parked aircraft, trucks, armored personnel carriers (APCs), and surface-to-air missile sites (SAMs). Prior to launch, it is given a destination through either a predesignated waypoint or a point marked through a targeting pod. It glides, using two wings that pop out for added lift, to the marked destination and dispenses submunitions in a short, roughly linear pattern. The designation of the Joint Standoff Weapon as an "air-to-ground missile" is a misnomer, as it is an unpowered bomb with guidance avionics, similar to the older GBU-15.
An electronic countermeasure (ECM) is an electrical or electronic device designed to trick or deceive radar, sonar, or other detection systems, like infrared (IR) or lasers. It may be used both offensively and defensively to deny targeting information to an enemy. The system may make many separate targets appear to the enemy, or make the real target appear to disappear or move about randomly. It is used effectively to protect aircraft from guided missiles. Most air forces use ECM to protect their aircraft from attack. It has also been deployed by military ships and recently on some advanced tanks to fool laser/IR guided missiles. It is frequently coupled with stealth advances so that the ECM systems have an easier job. Offensive ECM often takes the form of jamming. Self-protecting (defensive) ECM includes using blip enhancement and jamming of missile terminal homers.
Beam-riding, also known as Line-Of-Sight Beam Riding (LOSBR), beam guidance or radar beam riding is a technique of directing a missile to its target by means of radar or a laser beam. The name refers to the way the missile flies down the guidance beam, which is aimed at the target. It is one of the simplest guidance systems and was widely used on early missile systems, however it had a number of disadvantages for long-range targeting and is now found typically only in short-range roles.
The AGM-122 Sidearm was an American air-to-surface anti-radar missile produced between 1986 and 1990. While not as capable as newer anti-radiation missiles, they were cheaper and lighter in weight allowing more versatile deployment.
An anti-radiation missile (ARM) is a missile designed to detect and home in on an enemy radio emission source. Typically, these are designed for use against an enemy radar, although jammers and even radios used for communications can also be targeted in this manner.
The AN/ASQ-228 Advanced Targeting Forward-Looking Infrared (ATFLIR) is a multi-sensor, electro-optical targeting pod incorporating thermographic camera, low-light television camera, target laser rangefinder/laser designator, and laser spot tracker developed and manufactured by Raytheon. It is used to provide navigation and targeting for military aircraft in adverse weather and using precision-guided munitions such as laser-guided bombs. It is intended to replace the earlier AN/AAS-38 Nite Hawk pod in US Navy service.
The 2K12 "Kub" mobile surface-to-air missile system is a Soviet low to medium-level air defence system designed to protect ground forces from air attack. 2К12 is the GRAU designation of the system.
Active radar homing (ARH) is a missile guidance method in which a missile contains a radar transceiver and the electronics necessary for it to find and track its target autonomously. The NATO brevity code for an air-to-air active radar homing missile launch is fox three.
AGM-45 Shrike is an American anti-radiation missile designed to home in on hostile anti-aircraft radar. The Shrike was developed by the Naval Weapons Center at China Lake in 1963 by mating a seeker head to the rocket body of an AIM-7 Sparrow. It was phased out by U.S. in 1992 and at an unknown time by the Israeli Air Force, and has been superseded by the AGM-88 HARM missile. The Israel Defense Forces developed a version of the Shrike that could be ground-launched with a booster rocket, and mounted it on an M4 Sherman chassis as the Kilshon.
The AN/MPQ-64 Sentinel is an X-band electronically steered pulse-Doppler 3D radar system used to alert and cue Short Range Air Defense (SHORAD) weapons to the locations of hostile targets approaching their front line forces. It is currently produced by Raytheon Missiles & Defense.
An infrared countermeasure (IRCM) is a device designed to protect aircraft from infrared homing missiles by confusing the missiles' infrared guidance system so that they miss their target. Heat-seeking missiles were responsible for about 80% of air losses in Operation Desert Storm. The most common method of infrared countermeasure is deploying flares, as the heat produced by the flares creates hundreds of targets for the missile.
The AGM-176 Griffin is a lightweight, precision-guided munition developed by Raytheon. It can be launched from the ground or air as a rocket-powered missile or dropped from the air as a guided bomb. It carries a relatively small warhead, and was designed to be a precision low-collateral damage weapon for irregular warfare. It has been used in combat by the United States military during the War in Afghanistan.
A precision-guided munition is a guided munition intended to precisely hit a specific target, to minimize collateral damage and increase lethality against intended targets. During the First Gulf War guided munitions accounted for only 9% of weapons fired, but accounted for 75% of all successful hits. Despite guided weapons generally being used on more difficult targets, they were still 35 times more likely to destroy their targets per weapon dropped.
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