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The AN/ALQ-99 is an airborne
The AN/ALQ-99 was mounted on the
The AN/ALQ-99 has been used during the Vietnam War (1972–1973),
The Anatomy of the Tacjammer
* ttps://web.archive.org/web/20061017085007/http://www.edocorp.com/EA6B.htm EDO Corp– Manufacturer of components of the ALQ-99 system
Harris Corporation acquired EDO in 2016
{{DEFAULTSORT:An Alq-99 Electronic countermeasures Equipment of the United States Air Force Military electronics of the United States Electronic warfare equipment Military equipment introduced in the 1970s
The AN/ALQ-99 is an airborne electronic warfare
Electronic warfare (EW) is any action involving the use of the electromagnetic spectrum (EM spectrum) or directed energy to control the spectrum, attack an enemy, or impede enemy assaults. The purpose of electronic warfare is to deny the opponen ...
system, found on EA-6B
The Northrop Grumman (formerly Grumman) EA-6B Prowler is a twin-engine, four-seat, mid-wing electronic-warfare aircraft derived from the A-6 Intruder airframe. The EA-6A was the initial electronic warfare version of the A-6 used by the United ...
and EA-18G
The Boeing EA-18G Growler is an American carrier-based electronic warfare aircraft, a specialized version of the two-seat F/A-18F Super Hornet. The EA-18G replaced the Northrop Grumman EA-6B Prowlers in service with the United States Navy. T ...
military aircraft. The ALQ-99E version of the system was carried on the EF-111A Raven aircraft as an escort or standoff jammer.
Description
The ALQ-99 is an airborne integrated jamming system designed and manufactured byEDO Corporation
EDO Corporation was an American company which was acquired by ITT Corporation in 2007. EDO designed and manufactured products for defense, intelligence, and commercial markets, and provided related engineering and professional services. It emp ...
. Receiver equipment and antennas are mounted in a fin-tip pod while jamming transmitters and exciter equipment are located in under-wing pods. The system is capable of intercepting, automatically processing and jamming received radio frequency signals. The system receivers can also be used to detect, identify and direction find those signals, providing signals intelligence
Signals intelligence (SIGINT) is intelligence-gathering by interception of ''signals'', whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication ( ...
(SIGINT) either automatically or manually.
The AN/ALQ-99 was mounted on the U.S. Navy
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...
's and U.S. Marine Corps EA-6B Prowler
The Northrop Grumman (formerly Grumman) EA-6B Prowler is a twin-engine, four-seat, mid-wing electronic-warfare aircraft derived from the A-6 Intruder airframe. The EA-6A was the initial electronic warfare version of the A-6 used by the United ...
aircraft and U.S. Navy's EA-18G Growler
The Boeing EA-18G Growler is an American carrier-based electronic warfare aircraft, a specialized version of the two-seat F/A-18F Super Hornet. The EA-18G replaced the Northrop Grumman EA-6B Prowlers in service with the United States Navy. ...
aircraft. It was mounted on U.S. Air Force
The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Sign ...
's EF-111A Raven aircraft before these aircraft were retired from service by May 1998. The U.S. Navy
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...
's EA-6B Prowler
The Northrop Grumman (formerly Grumman) EA-6B Prowler is a twin-engine, four-seat, mid-wing electronic-warfare aircraft derived from the A-6 Intruder airframe. The EA-6A was the initial electronic warfare version of the A-6 used by the United ...
were Retired from Active service following deployment in 2015.
The AN/ALQ-99 has a maximum power output of 10.8 kW in its older versions and of 6.8 kW in its newer versions. It uses a ram air turbine
A ram air turbine (RAT) is a small wind turbine that is connected to a hydraulic pump, or electrical generator, installed in an aircraft and used as a power source. The RAT generates power from the airstream by ram pressure due to the speed o ...
to supply its own power.
History
The AN/ALQ-99 has been used during the Vietnam War (1972–1973), Operation El Dorado Canyon
The 1986 United States bombing of Libya, code-named Operation El Dorado Canyon, consisted of air strikes by the United States against Libya on Tuesday 15 April 1986. The attack was carried out by the U.S. Air Force (USAF), U.S. Navy and U.S. M ...
(1986 American raid in Libya), 1991 Gulf War
The Gulf War was a 1990–1991 armed campaign waged by a 35-country military coalition in response to the Iraqi invasion of Kuwait. Spearheaded by the United States, the coalition's efforts against Iraq were carried out in two key phases: ...
, Operation Northern Watch
Operation Northern Watch (ONW), the successor to Operation Provide Comfort, was a Combined Task Force (CTF) charged with enforcing its own no-fly zone above the 36th parallel in Iraq. Its mission began on 1 January 1997.
The coalition partners ...
(1992–2003), Operation Southern Watch
Operation Southern Watch was an air-centric military operation conducted by the United States Department of Defense from Summer 1992 to Spring 2003.
United States Central Command's Joint Task Force Southwest Asia (JTF-SWA) had the mission of mon ...
(1997–2003), 1999 Balkans War, 2003 Second Gulf War, and 2011 Operation Odyssey Dawn. The poor reliability of the ALQ-99 and frequent failures of the Built-In Test (BIT) have caused crew to fly missions with undetected faults; the ALQ-99 also interferes with the aircraft's AESA radar
An active electronically scanned array (AESA) is a type of phased array antenna, which is a computer-controlled array antenna in which the beam of radio waves can be electronically steered to point in different directions without moving the an ...
, reduces the top speed of the aircraft and imposes a high workload on the two-man crew when employed in the EA-18G Growler.
Versions
* AN/ALQ-99E – the version mounted on EF-111A aircraft. It has a 70% commonality with the U.S. Navy's AN/ALQ-99 systems.See also
*CAMPS Camps may refer to:
People
*Ramón Camps (1927–1994), Argentine general
*Gabriel Camps (1927–2002), French historian
*Luís Espinal Camps (1932–1980), Spanish missionary to Bolivia
*Victoria Camps (b. 1941), Spanish philosopher and professor ...
Civil Aircraft Missile Protection System
* Electronic warfare
Electronic warfare (EW) is any action involving the use of the electromagnetic spectrum (EM spectrum) or directed energy to control the spectrum, attack an enemy, or impede enemy assaults. The purpose of electronic warfare is to deny the opponen ...
* Electronic countermeasures
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 info ...
* EA-6B Prowler
The Northrop Grumman (formerly Grumman) EA-6B Prowler is a twin-engine, four-seat, mid-wing electronic-warfare aircraft derived from the A-6 Intruder airframe. The EA-6A was the initial electronic warfare version of the A-6 used by the United ...
* EA-18G Growler
The Boeing EA-18G Growler is an American carrier-based electronic warfare aircraft, a specialized version of the two-seat F/A-18F Super Hornet. The EA-18G replaced the Northrop Grumman EA-6B Prowlers in service with the United States Navy. ...
* Next Generation Jammer
The Next Generation Jammer is a program to develop an airborne electronic warfare system, as a replacement for the AN/ALQ-99 found on the EA-18G military aircraft. It will reach Initial Operating Capability in 2021.
Platforms
The AN/ALQ-99 is cur ...
Related ECMs
*AN/ALQ-128
The McDonnell Douglas F-15 Eagle is an American twin-engine, all-weather tactical fighter aircraft designed by McDonnell Douglas (now part of Boeing). Following reviews of proposals, the United States Air Force selected McDonnell Douglas's ...
* AN/ALQ-144
The AN/ALQ-144, AN/ALQ-147, and AN/ALQ-157 are US infra-red guided missile countermeasure devices (IRCM). They were developed by Sanders Associates in the 1970s to counter the threat of infra-red guided surface to air missiles like the 9K32 Strel ...
References
External links
The Anatomy of the Tacjammer
* ttps://web.archive.org/web/20061017085007/http://www.edocorp.com/EA6B.htm EDO Corp– Manufacturer of components of the ALQ-99 system
Harris Corporation acquired EDO in 2016
{{DEFAULTSORT:An Alq-99 Electronic countermeasures Equipment of the United States Air Force Military electronics of the United States Electronic warfare equipment Military equipment introduced in the 1970s