Blank horizontal row

     
 
CSI REPORT

NO. 13

TACTICAL RESPONSES TO CONCENTRATED ARTILLERY




Combat Studies Institute
U.S. Army Command and General Staff College
Fort Leavenworth, Kansas 66027-6900
 
  COMBAT
STUDIES
INSTITUTE
 
CSI Reports are short-term research papers prepared in response to official inquiries. They are based mainly on secondary sources and provide basic information on the subject under consideration. The views expressed in a CSI Report are those of the author and not necessarily those of the Department of the Army or the Department of Defense.


Combat Studies Institute
Missions
The Combat Studies Institute was established on 18 June 1979 as a department-level activity within the U.S. Army Command and General Staff College, Fort Leavenworth, Kansas. CSI has the following missions:
1. Conduct research on historical topics pertinent to the doctrinal concerns of the Army and publish the results in a variety of formats for the Active Army and Reserve Components.
2. Prepare and present instruction in military history at USACGSC and assist other USACGSC departments in integrating military history into their instruction.
3. Serve as the U.S. Army Training and Doctrine Command's executive agent for the development and coordination of an integrated, progressive program of military history instruction in the TRADOC service school system.




In this publication, when the masculine gender is used, both men and women are included.




CONTENTS
Soviet Artillery in Battle: A Historical Perspective
by Lieutenant Colonel James R. Holbrook

World War I: Elastic Defense and the U.S. 3d Division at the Marne River
by Lieutenant Colonel Michael E. Dunn

The Impact of Massive Artillery Fires on Command, Control, and Communications in the European and North African Theaters During World War II
by Lieutenant Colonel Roy R. Stephenson

German Counterartillery Measures on the Eastern Front 1944-45: Operation Bagration
by Dr. Samuel J. Lewis

Japanese Counterartillery Methods on Okinawa, April-June 1945
Dr. Thomas M. Huber

The Korean War: The United Nations' Response to Heavy Bombardment
by Dr. William Glenn Robertson

The Korean War: Chinese Forces' Response to Heavy Bombardment
by Dr. Gary J. Bjorge

Israeli Defensive Measures Against Arab Artillery
by Dr. George W. Gawrych


PREFACE

The focus of this study is on how the armies of different nations countered the threat of massive concentrated artillery and/or other types of preparatory fires. Not all were successful, and the reasons for the success or failure of each army provides the contemporary military commander an opportunity to learn from his "predecessors" and benefit from their hard-learned lessons.




INTRODUCTION


The Western Front in World War I provides the classic case of a response by defending armies to concentrated artillery fire. This is the standard to which even conflicts as far removed as the recent Iran-Iraq War are compared. All the methods available to counter heavy artillery concentrations were present in the Great War: fortification, armor, dispersion, constant movement, deception, counterfire, and ground attack on the gun line. Yet the Great War did not start out as an artillery war. Initially, the armies that became locked in combat on the Western Front had seen artillery only as an auxiliary to a battle between bodies of infantry and cavalry. The scale of artillery used in earlier battles was modest compared to that of later struggles where the number of artillerymen engaged could approach the infantry strength as close as 8 to 10.1 Prewar tactical emphasis was on light quick-firing artillery capable of supporting forces fighting in the open, creating and protecting flanks, and maintaining the advance of maneuver forces. Only the Germans, who had to overcome Belgian frontier forts, invested much in heavy artillery. Tactical doctrine was offensive, suitable it was thought, to the spirit of the contending nations. It was not, of course, suitable to the conditions of war the two sides found on the World War I battlefield.

The contending armies were forced to ground at first, not by the artillery, but by the fire of magazine rifles and the limited number of machine guns available at the start of the war. By the end of 1914, the armies faced each other across a no-man's-land from fairly shallow trench systems that extended in breadth from the Alps to the English Channel. It was then that artillery, particularly indirect artillery of medium and heavy calibers, came into its own. Artillery became the means to open new flanks by blasting penetrations into enemy trench systems. For the defender, ft became the means of protecting or covering flanks. The attacker's artillery was required to suppress the defender's direct-fire systems, to cut the defender's wire entanglements that denied access to his trench lines, to destroy the defender's positions, to block relief by his reserves during an attack, and to neutralize the defender's artillery. Knocking out the defender's guns would prevent him from bombarding the attacker's artillery, his command and control, the assaulting infantry, and those reserves that would concentrate on the attacker's side of no-man's-land to sustain an offensive once launched. On 1 July 1916, British units suffered significant numbers of casualties on the way to their jumping-off point.2 By 1916, sufficient artillery, guns, and stocks of ammunition were available to give meaning to the aphorism, "Artillery conquers, infantry occupies."3

The creation of great concentrations of artillery, capable of breaking a pathway into enemy trench systems, forced a change in defensive tactics. Both sides moved to deeper defensive systems, with German Colonel Fritz von Lossberg developing what has become the classic concept of elastic defense.4 This called for a thinning out of forward defenses, always subject to destruction by enemy preparation fires. Lossberg recognized that artillery could blast a path for infantry forces for a distance limited by its maximum range. Once this distance was reached, however, the infantry forces would find themselves at a distinct handicap with regard to heavy fire support. Indeed, if maneuver forces could be held back, out of the attacker's beaten zone, the attacker's forces could be struck with a counterattack while they were still suffering from "the disorganizing effects of victory, "5 the random and disorganizing losses that accompanied any advance. Their withdrawal could be blocked by a standing barrage, and they could be destroyed out of sight of their own supporting fires. Conceptually, the scheme of defense called for sighting a security zone on the military crest of a piece of high ground. Since the Germans had occupied about one-third of France in their initial advance, they could select a good defensive line and then withdraw to it, which they did on a large scale at least twice during the war. Such a withdrawal was clearly more difficult for the Allies. The defender would set up his forward line of defense on the reverse slope of the terrain feature, out of direct observation and free from direct or observed fires. Even this line was designed only to resist local attacks, not general offensives. Behind this line was a zone of machine-gun posts and/or successive trench lines whose purpose was to support the forward defense line and to break up the coherence of attacking forces strong enough to overcome the forward defense. This zone was deep enough to draw the attacker out from under his own artillery support, and it led to a final line of resistance behind which were fresh counterattack troops whose purpose was to apply that "flashing sword of vengeance,"6 which Carl von Clausewitz saw as the source of the greater strength of the defensive form, hopefully to restore the entire defensive zone. The counterattack was the most important feature of the elastic defense, and it remained a characteristic of German defensive fighting through World War II. Interestingly enough, reserves designated for the counterattack were committed under the command of the officer responsible for a zone of the defensive system notwithstanding the relative rank of the commander of the counterattack force versus the commander of the defensive zone. This provided for the ability to respond before the attacker could knit his own defense together when the advance was stopped.

To deal with this sort of defensive zone, the armies armed their maneuver forces with far more effective accompanying weapons and decentralized their tactical execution. The combination of infiltration tactics and limited objective attacks could minimize the effect of the elastic defense and increase the cost to the defender, but it could not lead to the strategic or operational success necessary to bring the war to the end. The war of attrition, always the consequence of an inability to win a decisive victory or find a basis for negotiation, continued. This proved to be the case no less on Okinawa and in Korea than on the Somme.

In World War II, several of the World War I problems were corrected. Operationally, tactical air support provided compensation for the immobility of an attacker's cannon artillery. Mechanized forces, protected from small-arms and machine-gun fire, using infiltration tactics and now controlled by radio, could break through an enemy's defensive zone and exploit into the operational depths, disrupting the coherence of the whole defense until the defender too adapted to the requirements of mechanized warfare, learned to control his own reserves (mechanized and air) by radio, and recognized that defensive zones would have to be deepened to correspond to the geometric increase in mobility inherent in the shift from foot to mechanical traction or even aerial insertion. For all that, the tactical problem remained very much the same: absorb the enemy's preparation fires, break up his attack, counterattack to destroy his forces, and restore the defense. While the decisive defensive battle might now be fought by operational reserves upon whose success or failure the entire theater defense might rest, this was so largely because the defensive fighting in secondary zones remained very much what it had been in World War I. Modern armies, dependent on umbilical cords from their rear, can move as self-sustained forces only for limited periods of time. The "immobile mass," or fixing force, protects the movement of the means of sustainment from interference by enemy ground combat units. By its presence, it requires the concentration of the breakthrough force on limited axes. In World War II, the opposing infantry divisions provided the framework for the mobile battles, and to the extent that forces will continue to be required to hold ground in modern defensive combat, they will continue to do the same.

To understand the tactical counters to artillery available to maneuver forces, one must first place artillery in the combined arms context and recognize its strengths and weaknesses. Artillery is a means of placing destructive effects, normally of greater extent than those possible by direct-fire weapons, at greater distances than can be achieved by direct-fire systems. Artillery systems are flexible because they are able to shift the effects of their fire without moving their weapons, a consequence of their range. They are generally handicapped by the weight of their ammunition which, as a direct result of the need for range and effect, is heavy and bulky.

Artillery fires can be characterized as being area or precision. The function of area fires is normally neutralization. Destruction by such means is generally prohibitively expensive in both time and weight of metal. With the exception of nuclear weapons, which have their own drawbacks, it takes a large number of weapons and a great amount of ammunition to achieve the density of fire necessary to suppress a large area of ground. This normally requires a large number of ammunition carriers or some sort of prestockage that, in turn, provides some evidence of intentions and additional congestion of road nets. Where targets can be located with precision, predicted fire can reduce the weight of ammunition required, but the total is still significant. Today, we count on smart munitions and precise acquisition systems to keep the total weight of ammunition (though not necessarily the cost) in bounds. In World War I, gas was used as a means of suppression that would achieve good effect even from a near miss, although it too required continuous fire to maintain its effect.

Against an enemy who concentrates significant artillery weapons to neutralize an area of a defender's position, there are three basic defenses. The first is to use protection, either by digging in, building field fortifications, or protecting with armor. Protection by engineering reduces mobility and consequently makes forces vulnerable to precision fires. Therefore, engineering activities must be combined with action by some mobile force to avoid the systematic reduction of the overall force over time. The second method of defense is to thin out one's forces, as Lossberg did, and to protect those left in place. This may make the enemy's task of breaking into a position easier, but forces kept out of the beaten zone are then intact for counterattack and, once intermingled with the attacking enemy, harder to bring indirect fire upon. Lossberg's response implies a force-oriented defense in which terrain is a tool of defense, not an object. An active counter to neutralization fire is a heavy program of counterfire. The drawback here is that it may be difficult to acquire a clever enemy's units before they uncover to fire, thus condemning one's own units to play catch-up, often under fire, a "race" for parity, the most to be expected under these circumstances.

Against precision fires, there are some additional counters. Deception is the most common. If you deny an enemy a target location, precision fire is impossible. A variety of methods have been used successfully: false emitters, dummy positions to draw fire, night occupation, and camouflage discipline. In addition, frequent movement compounds the enemy's problem of targeting in the absence of continuous observation. If you refuse an enemy target identification, he must fall back on area fire and its consequent logistic and temporal burden.

One final caution is in order. High densities of indirect fire are characteristic of breakthrough battles, not meeting engagements. Current artillery cannon range extends about thirty kilometers beyond the forward line of own troops. It is in the zone of cannon artillery that maneuver forces must move and fight in the face of the heaviest concentrations of indirect fire. Soviet forces, in a movement to contact, will have accompanying artillery, but its effect will be much diminished until forward movement slows and a situation approaching a thirty-kilometer artillery zone is reestablished. To displace artillery still takes time, as does building a coordinated program of fires. On the other hand, multiple rocket launcher systems, used against area targets, and fixed-wing aircraft in close air support, if they are free from interference from low- and mid-altitude air defenses, can carry heavy fire effects beyond the range of cannon. Both have drawbacks in their ability to sustain fire, but the impact of concentrated aerial artillery at General Heinz Guderian's crossing of the Meuse in May 1940 is indicative of the operational effect of tactical concentration at the right place and time. If we can deny the enemy the targets for his rocket batteries and freedom to use his air support, he will be driven inevitably and by his own proclivities back on his cannon. Much of the Soviet artillery's means of sustainment, like ours, is relatively road bound, thin skinned, and hence subject to interdiction. The 'Red God of War" may have significant difficulty moving forward on a battlefield marked by intermingled forces and heavy interdiction.


INTRODUCTION
NOTES