The AGM-84H/K SLAM-ER (Standoff Land Attack Missile-Expanded Response) is an advanced

stand off ''Whole Lotta Sole'' (known as ''Stand Off'' in North America) is a 2012 independent criminal comedy film co-written and directed by Terry George and starring Brendan Fraser, David O'Hara, Colm Meaney, Yaya DaCosta and Martin McCann. Plot Ho ...

precision-guided, air-launched

cruise missile A cruise missile is a guided missile used against terrestrial or naval targets that remains in the atmosphere and flies the major portion of its flight path at approximately constant speed. Cruise missiles are designed to deliver a large warhe ...

produced by

Boeing Defense, Space & Security Boeing Defense, Space & Security (BDS) is a division (business unit) of The Boeing Company based in Arlington, Virginia. It is responsible for defense and aerospace products and services. It was formerly known as Boeing Integrated Defense Systems ...

for the

United States Armed Forces The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is the ...

and their allies. Developed from the AGM-84E SLAM (Standoff Land Attack Missile, itself developed by

Boeing Integrated Defense Systems Boeing Defense, Space & Security (BDS) is a division (business unit) of The Boeing Company based in Arlington, Virginia. It is responsible for defense and aerospace products and services. It was formerly known as Boeing Integrated Defense Systems ...

from the

McDonnell Douglas McDonnell Douglas was a major American aerospace manufacturing corporation and defense contractor, formed by the merger of McDonnell Aircraft and the Douglas Aircraft Company in 1967. Between then and its own merger with Boeing in 1997, it produ ...

Harpoon A harpoon is a long spear-like instrument and tool used in fishing, whaling, seal hunting, sealing, and other marine hunting to catch and injure large fish or marine mammals such as seals and whales. It accomplishes this task by impaling the t ...

antiship missile An anti-ship missile (AShM) is a guided missile that is designed for use against ships and large boats. Most anti-ship missiles are of the sea skimming variety, and many use a combination of inertial guidance and active radar homing. A good nu ...

), the SLAM-ER is capable of attacking land and sea targets medium to long range (over 155 nautical miles/270 km maximum). The SLAM-ER relies on the

Global Positioning System The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite sy ...

(GPS) and

infrared imaging Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from around ...

for its navigation and control, and it can strike both moving and stationary targets. The SLAM-ER can be remotely controlled while in flight, and it can be redirected to another target after launch if the original target has already been destroyed, or is no longer considered to be dangerous (

command guidance Command guidance is a type of missile guidance in which a ground station or aircraft relay signals to a guided missile via radio control or through a wire connecting the missile to the launcher and tell the missile where to steer to intercept its ...

). The SLAM-ER is a very accurate weapon; as of 2009 it had the best

circular error probable In the military science of ballistics, circular error probable (CEP) (also circular error probability or circle of equal probability) is a measure of a weapon system's precision. It is defined as the radius of a circle, centered on the mean, wh ...

(CEP) of any missile used by 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 of ...

History

In 1999,

Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and product ...

and the

conducted a live fire of a SLAM-ER from an

F/A-18 Hornet The McDonnell Douglas F/A-18 Hornet is an all-weather, twinjet, twin-engine, supersonic aircraft, supersonic, carrier-based aircraft, carrier-capable, Multirole combat aircraft, multirole combat aircraft, designed as both a Fighter aircraft, ...

on the decommissioned USS Dale (CG-19) off the coast of

Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and Unincorporated ...

. The SLAM-ER obtained

initial operating capability Initial operating capability or initial operational capability (IOC) is the state achieved when a capability is available in its minimum usefully deployable form. The term is often used in government or military procurement. The United States D ...

in June 2000. A total of three SLAM-ER missiles were fired by the U.S. Navy during the

Iraq War {{Infobox military conflict , conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق (Kurdish languages, Kurdish) , partof = the Iraq conflict (2003–present), I ...

, and the missile was also used during

Operation Enduring Freedom Operation Enduring Freedom (OEF) was the official name used synonymously by the U.S. government for both the War in Afghanistan (2001–2014) and the larger-scale Global War on Terrorism. On 7 October 2001, in response to the September 11 at ...

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...

. The

General Electric Company The General Electric Company (GEC) was a major British industrial conglomerate involved in consumer and defence electronics, communications, and engineering. The company was founded in 1886, was Britain's largest private employer with over 250 ...

provides an

Automatic Target Recognition Automatic target recognition (ATR) is the ability for an algorithm or device to recognize targets or other objects based on data obtained from sensors. Target recognition was initially done by using an audible representation of the received signal ...

Unit (ATRU) for the SLAM-ER that processes prelaunch and postlaunch targeting data, allows high speed video comparison (

DSMAC Terrain contour matching, or TERCOM, is a navigation system used primarily by cruise missiles. It uses a pre-recorded contour map of the terrain that is compared with measurements made during flight by an on-board radar altimeter. A TERCOM system ...

), and enables the SLAM-ER to be used in a true "

fire and forget Fire-and-forget is a type of missile guidance which does not require further external intervention after launch such as illumination of the target or Wire-guided missile, wire guidance, and can hit its target without the launcher being in line- ...

" manner. It also includes a "

man-in-the-loop Command guidance is a type of missile guidance in which a ground station or aircraft relay signals to a guided missile via radio control or through a wire connecting the missile to the launcher and tell the missile where to steer to intercept it ...

" mode, where the pilot or weapons system officer can designate the point of impact precisely, even if the target has no distinguishing

infrared signature Infrared signature, as used by defense scientists and the military, is the appearance of objects to infrared sensors. An infrared signature depends on many factors, including the shape and size of the object, temperature, and emissivity, reflection ...

. It can be launched and controlled by a variety of aircraft including the

F/A-18 Super Hornet The Boeing F/A-18E and F/A-18F Super Hornet are twin-engine, carrier-capable, multirole fighter aircraft variants based on the McDonnell Douglas F/A-18 Hornet. The F/A-18E single-seat and F/A-18F tandem-seat variants are larger and more adv ...

, F-16 Block 50+ and

P-3C Orion The Lockheed P-3 Orion is a four-engined, turboprop Anti-submarine warfare, anti-submarine and maritime patrol aircraft, maritime surveillance aircraft developed for the United States Navy and introduced in the 1960s. Lockheed Corporation, Lockh ...

, as well as by the

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 Signal ...

F-15E Strike Eagle The McDonnell Douglas (now Boeing) F-15E Strike Eagle is an American all-weather multirole strike fighter derived from the McDonnell Douglas F-15 Eagle. The F-15E was designed in the 1980s for long-range, high-speed interdiction without rely ...

. Before the retirement of the

S-3B Viking The Lockheed S-3 Viking is a four-crew, twin-engine turbofan-powered jet aircraft designed and produced by the American aerospace manufacturer Lockheed Corporation. Because of its characteristic sound, it was nicknamed the "War Hoover" after th ...

, it was also able to launch and control the SLAM-ER. The

South Korean air force The Republic of Korea Air Force (ROKAF; ko, 대한민국 공군; RR: ''Daehanminguk Gong-gun''), also known as the ROK Air Force or South Korean Air Force, is the aerial warfare service branch of South Korea, operating under the Ministry of N ...

's version of the F-15E Strike Eagle, the F-15K Slam Eagle, has been capable of launching and controlling the SLAM-ER since 2006 in test exercises. In 2020, a proposal was put to Congress to allow the sale of the SLAM-ER to

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

Operators

Current operators

* * * * * *

References

External links

*
Boeing (McDonnell-Douglas) AGM/RGM/UGM-84 Harpoon
Designation Systems * {{DEFAULTSORT:AGM-84H K SLAM-ER Anti-ship missiles of the United States Air-to-surface missiles of the United States Cruise missiles of the United States Military equipment introduced in the 2000s Fire-and-forget weapons Boeing