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Counter-battery fire (sometimes called counter-fire) is a battlefield
tactic Tactic(s) or Tactical may refer to: * Tactic (method), a conceptual action implemented as one or more specific tasks ** Military tactics, the disposition and maneuver of units on a particular sea or battlefield ** Chess tactics ** Political tacti ...
employed to defeat the enemy's
indirect fire Indirect fire is aiming and firing a projectile without relying on a direct line of sight between the gun and its target, as in the case of direct fire. Aiming is performed by calculating azimuth and inclination, and may include correcting aim ...
elements (
multiple rocket launcher A multiple rocket launcher (MRL) or multiple launch rocket system (MLRS) is a type of rocket artillery system that contains multiple launchers which are fixed to a single platform, and shoots its rocket ordnance in a fashion similar to a vo ...
s,
artillery Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during si ...
and mortars), including their
target acquisition Target acquisition is the detection and identification of the location of a target in sufficient detail to permit the effective employment of lethal and non-lethal means. The term is used for a broad area of applications. A "target" here is an e ...
, as well as their
command and control Command and control (abbr. C2) is a "set of organizational and technical attributes and processes ... hatemploys human, physical, and information resources to solve problems and accomplish missions" to achieve the goals of an organization o ...
components. Counter-battery arrangements and responsibilities vary between nations but involve target acquisition, planning and control, and counter-fire. Counter-battery fire rose to prominence in
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
.
Counter-battery radar A counter-battery radar (alternatively weapon tracking radar or COBRA) is a radar system that detects artillery projectiles fired by one or more guns, howitzers, mortars or rocket launchers and, from their trajectories, locates the position on ...
detects incoming indirect fire and calculates its point of origin. That location data can be sent by a
communications link A data link is the means of connecting one location to another for the purpose of transmitting and receiving digital information (data communication). It can also refer to a set of electronics assemblies, consisting of a transmitter and a recei ...
to friendly forces, who can then fire on the enemy positions, hopefully before they can reposition (the "scoot" part of
shoot-and-scoot Shoot-and-scoot (alternatively, fire-and-displace or fire-and-move) is an artillery tactic of firing at a target and then immediately moving away from the location from where the shots were fired to avoid counter-battery fire (e.g. from enemy a ...
tactics). Counter-RAM systems track incoming rocket, artillery, and mortar fire and attempt to intercept and destroy the projectiles or provide early warning to the target area.


Background

Indirect fire Indirect fire is aiming and firing a projectile without relying on a direct line of sight between the gun and its target, as in the case of direct fire. Aiming is performed by calculating azimuth and inclination, and may include correcting aim ...
was introduced so that artillery could fire from behind cover to reduce its exposure to enemy artillery by making itself more difficult to find. While armies were doing this, little thought was given to the need for counter-counter measures. Perhaps the only means of finding concealed guns was observation from
kite A kite is a tethered heavier-than-air or lighter-than-air craft with wing surfaces that react against the air to create lift and drag forces. A kite consists of wings, tethers and anchors. Kites often have a bridle and tail to guide the fac ...
s or
balloons A balloon is a flexible bag that can be inflated with a gas, such as helium, hydrogen, nitrous oxide, oxygen, and air. For special tasks, balloons can be filled with smoke, liquid water, granular media (e.g. sand, flour or rice), or light s ...
. However, effective counter-battery fire needs far more than a single method of observation. Counter-battery (CB) fire emerged and developed extremely quickly during
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
. Since that war, CB has continued to evolve, mainly due to improvements in technology. The targets of CB fire are usually the enemy's guns, launchers and mortars, both the
materiel Materiel (; ) refers to supplies, equipment, and weapons in military supply-chain management, and typically supplies and equipment in a commercial supply chain context. In a military context, the term ''materiel'' refers either to the spec ...
and the men serving them. The formal
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two N ...
definition of the term ''counter-battery'' is "fire delivered for the purpose of destroying or neutralising the enemy's fire support system", with the note that it may be proactive or reactive. This may be achieved by attacks on any part of the field artillery system. In some armies at some periods CB has been called 'counter-bombardment' and occasionally 'counter-mortar' has been handled separately.


Functions

There are four functions in the system for CB fire: *Target acquisition *CB Intelligence *CB fire control *CB fire units


Target acquisition

Target acquisition is the source of information for CB
intelligence Intelligence has been defined in many ways: the capacity for abstraction, logic, understanding, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, critical thinking, and problem-solving. More generally, it can ...
. It may produce accurate locations for enemy fire units or merely inputs to a more complex process for locating and assessing hostile artillery. At the end of World War I, the following were recognised as the principal sources of artillery intelligence, this seems to be in descending order of usefulness: *Aeroplanes (i.e., visual observation) *Aeroplane photography *Survey sections (i.e., flash spotting) * Sound ranging sections *Balloon observation *Ground observers (artillery and 'intelligence posts of other arms') * Liaison officers (artillery at infantry brigade HQs, these obtained reports of enemy artillery activity) *Officers' patrols *Secret agents and epatries *Captured documents and prisoner's statements *Listening sets (i.e., monitoring enemy communications) *Intercepted wireless (by 'wireless compass stations') Apart from balloons and officers' patrols, these sources continued to play their part in
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
, and their technology improved, although flash spotting became less useful as ranges increased and flashless (or low flash)
propellant A propellant (or propellent) is a mass that is expelled or expanded in such a way as to create a thrust or other motive force in accordance with Newton's third law of motion, and "propel" a vehicle, projectile, or fluid payload. In vehicles, the ...
s became widespread. A successor to officers' patrols had an isolated emergence in
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
when Canadian artillery observers were put ashore behind German lines and established themselves to observe gun positions.Colonel
G. W. L. Nicholson Colonel Gerald William Lingen Nicholson (6 January 1902 – 28 February 1980) was a British-Canadian soldier, historian, author, and teacher. From 1943 until his retirement in 1961, Nicholson served in the Historical Section, Canadian Army, whe ...
, ''The Gunners of Canada, History of the Royal Regiment of Canadian Artillery'' Vol 2, McClelland & Stewart Ltd, Toronto/Montreal, 1972, pg 240
Sound ranging and flash spotting both required enemy guns to fire. Furthermore, others, such as radio
direction finding Direction finding (DF), or radio direction finding (RDF), isin accordance with International Telecommunication Union (ITU)defined as radio location that uses the reception of radio waves to determine the direction in which a radio stati ...
and information from prisoners, are insufficiently precise to 'fix' a target for artillery attack. Information from others may not be received quickly and hence be out of date, the hostile battery having moved. These methods were joined by
radar Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, Marine radar, ships, spacecraft, guided missiles, motor v ...
in World War II; while this could detect a shell in flight the gun that fired it could not usually be seen and the shell's elliptical
trajectory A trajectory or flight path is the path that an object with mass in motion follows through space as a function of time. In classical mechanics, a trajectory is defined by Hamiltonian mechanics via canonical coordinates; hence, a complete tr ...
made it impossible to extrapolate backwards with the technology of that time. However, mortar bombs have a
parabolic trajectory In astrodynamics or celestial mechanics a parabolic trajectory is a Kepler orbit with the eccentricity equal to 1 and is an unbound orbit that is exactly on the border between elliptical and hyperbolic. When moving away from the source it is ...
(as do guns firing in 'high angle') defined by a simple mathematical equation with two points on the parabolic curve. It was therefore possible to deduce a mortar's position by tracking its bomb and recording two points on its trajectory. Another method that emerged was crater examination, this could reveal the
azimuth An azimuth (; from ar, اَلسُّمُوت, as-sumūt, the directions) is an angular measurement in a spherical coordinate system. More specifically, it is the horizontal angle from a cardinal direction, most commonly north. Mathematical ...
back to the hostile gun or mortar and study of fragments could reveal its type. However, while it was a useful source of information it was not sufficiently accurate to give a location for the firer. Most armies abandoned flash spotting in the 1950s. However, several new target acquisition technologies emerged. These included: * UAVs, about 1960 an Unmanned Air Vehicle, the SD-1, entered artillery service. This early UAV used wet film photography by day or night, had short range and short endurance. However, being under artillery control they were responsive to CB needs, which was just as well because other forms of air reconnaissance were becoming less available and were not notably timely. Other UAVs, including drones (flying a programmed course) duly emerged, including the ability to transmit imagery in real-time. *Next, in the 1970s
Hughes Aircraft The Hughes Aircraft Company was a major American aerospace and defense contractor founded on February 14, 1934 by Howard Hughes in Glendale, California, as a division of Hughes Tool Company. The company was known for producing, among other pro ...
developed the US Firefinder RADAR system and created the algorithms that could extrapolate a gun's position from a segment of an elliptic
trajectory A trajectory or flight path is the path that an object with mass in motion follows through space as a function of time. In classical mechanics, a trajectory is defined by Hamiltonian mechanics via canonical coordinates; hence, a complete tr ...
. It's likely the Soviet Union created similar algorithms. *Non-communications ELINT, which can detect and locate radars, including those used by artillery is an often overlooked source. *A few armies established artillery observation patrol units to operate in likely artillery deployment areas behind the enemy's forward units. *On the modern battlefield various radars are able to detect vehicles or stationary guns on the ground, although this is far from a perfect information source. Look-down radar from high altitude aircraft are able to detect vehicles over a very wide range, but are unable to determine what type of vehicles they are and are susceptible to radar reflectors and similar countermeasures. The information is useful but requires further sources of information to accurately determine which contacts are the target. Millimeter wave radar (such as the
AH-64 Apache The Boeing AH-64 Apache () is an American twin- turboshaft attack helicopter with a tailwheel-type landing gear arrangement and a tandem cockpit for a crew of two. It features a nose-mounted sensor suite for target acquisition and night v ...
's Longbow Radar) are able to very accurately detect the types of vehicles observed but are much shorter ranged. *The arrival of highly networked combat systems allows for data from multiple sources to be cross referenced very quickly. As a result, modern counter battery fire is generally as a result of a wide array of different possible information sources working together to provide targets in close to real time. *Sound ranging systems have also evolved with newer technology, such as Hostile Artillery Locating (HALO) and similar systems developed in other countries.


CB Intelligence

CB Intelligence applies the
intelligence cycle The Intelligence cycle describes how intelligence is ideally processed in civilian and military intelligence agencies, and law enforcement organizations. It is a closed path consisting of repeating nodes, which (if followed) will result in fin ...
and principles to CB. It uses information about hostile artillery from all sources to maintain detailed records and apply specialist techniques that exploit the nature of artillery fire to produce: *Intelligence about hostile artillery positions *The enemy artillery order of battle *Intelligence about hostile artillery activity and deployment and assessments of its wider implications CB Intelligence is usually combined with CB fire control (see below), although intelligence purists recognise this is not good practice and the two were separate in the British forces in France in World War I. In both World Wars CB intelligence and CB control were found to be most effective when they were at corps level. However, the final year of World War 2 showed that the counter mortar battle was really one for brigade level. Since that war CB has tended to move to lower levels and in some armies has grown into a wider ''deep supporting fire'' organisation.


CB fire control

It does not always make tactical sense to attack hostile batteries the moment they are located. This is magnified by the challenges of targeting hostile batteries. There are many factors, and their significance depends on the circumstances. The first issue, for targeting, is that it is difficult to 'knock-out' a battery, although smart munitions against SP guns may change this. As the quoted definition states 'Destroy' is one possibility, another is "neutralization", to render the battery temporarily ineffective or unusable, including by suppressing it or forcing it to move. However, "suppression" only lasts while CB fire is falling and if a hostile battery moves then it has to be found again. Sometimes it is best just to record the location of the hostile battery and leave it for later. An additional issue for the use of counter battery fire is the finite artillery resources available for use in a given situation.


CB fire units

The final aspect of the CB equation is having available CB fire units and appropriate munitions. Typically these are ''general supporting fire'' units, but ''direct supporting fire'' units are also used if they are available and not fully occupied by their primary role. With conventional HE shells it may require the concentrated fire of 5–10 batteries to deal effectively with one hostile battery. Hence a value of multiple rocket launchers is their ability to deliver a heavy and concentrated attack from relatively few launchers.


Counter-measures

Counter-measures to CB fire have emerged throughout history. These include: * Digging in. In
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
, even heavy artillery was dug-in with several feet of overhead protection. Even today
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korean Peninsula and shares borders with China and Russia to the north, at the Yalu (Amnok) and T ...
n artillery is widely thought to be resistant to CB fire because of its deeply entrenched positions. More generally precision munitions have decreased the value of digging. * Encasing guns in armour. Fully armoured
self-propelled gun Self-propelled artillery (also called locomotive artillery) is artillery equipped with its own propulsion system to move toward its firing position. Within the terminology are the self-propelled gun, self-propelled howitzer, self-propelled ...
s were introduced to provide protection against conventional HE (High Explosive) fire. *
Shoot-and-scoot Shoot-and-scoot (alternatively, fire-and-displace or fire-and-move) is an artillery tactic of firing at a target and then immediately moving away from the location from where the shots were fired to avoid counter-battery fire (e.g. from enemy a ...
tactics, in which a
self-propelled artillery Self-propelled artillery (also called locomotive artillery) is artillery equipped with its own propulsion system to move toward its firing position. Within the terminology are the self-propelled gun, self-propelled howitzer, self-propelled ...
vehicle or towed gun fires a single round or salvo and immediately begins moving. Shoot-and-scoot tactics were first used in
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
by Soviet Katyusha rocket launchers. * Spreading-out. Increasing the dispersion of guns in a position has been aided by computers for technical fire control. Introduction of guns with self-survey and orientation has led to the concept of "gun manoeuvre areas" where the troops, platoons or sections of a battery keep moving around, although it is questionable how sustainable this is. * Concealment. While firing guns cannot escape sound-ranging and
radar Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, Marine radar, ships, spacecraft, guided missiles, motor v ...
detection, concealment and deception can reduce the likelihood of discovery from other methods. * Counter-battery fire, being prepared to reply to enemy counter-battery fire with counter-battery fire of your own. *
Human shields A human shield is a non-combatant (or a group of non-combatants) who either volunteers or is forced to shield a legitimate military target in order to deter the enemy from attacking it. The use of human shields as a resistance measure was popula ...
. The practice of embedding artillery assets within a civilian population to discourage enemy counter-battery fire, based on the assumption that a counter-battery strike would damage and destroy civilian infrastructures as well as killing innocent non-combatants. The legal protections afforded to
non-combatants Non-combatant is a term of art in the law of war and international humanitarian law to refer to civilians who are not taking a direct part in hostilities; persons, such as combat medics and military chaplains, who are members of the belligeren ...
mean such tactics would generally constitute a war crime. Of course there are many potential target "nodes" in the field artillery system, including those dedicated to finding hostile artillery. Attacking these may significantly blind the enemy's CB capability—counter-countermeasures.


See also

* AMOS or Advanced MOrtar System * Artillery Surveillance and Target Acquisition *
Counter-battery radar A counter-battery radar (alternatively weapon tracking radar or COBRA) is a radar system that detects artillery projectiles fired by one or more guns, howitzers, mortars or rocket launchers and, from their trajectories, locates the position on ...
* Counter Rocket, Artillery, and Mortar * flash spotting


References


Sources

* General Sir Martin Farndale ''History of the Royal Regiment of Artillery - Western Front 1914-18'' * Maj Gen AGL McNaughton ''The Development of Artillery in the Great War'', Canadian Defence Quarterly Vol 6 No 2, January 1929 * Peter Chasseaud ''Artillery's Astrologers: A History of British Survey and Mapping on the Western Front, 1914-1918'' * NATO ''AAP-6 NATO Glossary of Terms and Definitions'' Military terminology Artillery operation