Late 19th Century Infantry Firepower

A French officer, Colonel Ardant du Picq, more than most, perceived that the high rates of fire and long range of modern weapons meant that close-order battle was no longer possible:

Ancient combat was fought in groups close together, within a small space, in open ground, in full view of one another, without the deafening noise of present-day arms. Men in formation marched into an action that took place on the spot and did not carry them thousands of feet away from the starting point. The surveillance of the leaders was easy, individual weakness was immediately checked. General consternation alone caused flight.

Today fighting is done over immense spaces, along thinly drawn out lines broken every instant by the accidents and obstacles of terrain. From the time the action begins, as soon as there are rifle shots, the men spread out as skirmishers, or, lost in the inevitable disorder of rapid march, escape the supervision of their commanding officers. A considerable number conceal themselves, they get away from the engagement and diminish by just so much the material and moral effect and confidence of the brave ones who remain. This can bring about defeat.

He drew the conclusion that the old ways of the close-order battle must be replaced, arguing that

Combat requires today, in order to give the best results, a moral cohesion, a unity more binding than at any other time. It is as true as it is clear, that, if one does not wish bonds to break, one must make them elastic in order to strengthen them.

His tactical conclusion was that infantry should fight in open order in which they could maximise the effectiveness of their weapons and take shelter from enemy fire:

Riflemen placed at greater intervals, will be less bewildered, will see more clearly, will be better watched (which may seem strange to you), and will consequently deliver a better fire than formerly.

He had seen men under fire, understood their actions, and argued that their instinct to seek shelter from the firestorm was right, but that it needed to be controlled and organised:

Why does the Frenchman of today, in singular contrast to the [ancient] Gaul, scatter under fire? His natural intelligence, his instinct under the pressure of danger causes him to deploy. His method must be adopted … we must adopt the soldier’s method and try to put some order into it.

Du Picq, who was killed in 1870 at the very start of the Franco-Prussian War, offered a brilliant analysis of the problems posed by the new firepower. But European powers found their way to a solution to the problem via hard experience, particularly in the wars of German unification which pitted Prussia against Austria (1866) and France (1870–1). In 1815 Germany had become a confederation of thirty-nine individual states and cities, dominated by Prussia in the north and Austria in the south. The year 1848 raised the prospect of a full union of the German people, and while Austria and Prussia united against the spectre of liberalism, they became rivals for leadership in Germany. The subsequent tensions were inevitably of deep concern to France whose rulers feared a strong state on their eastern frontier. Under Bismarck, Prussian Minister-President after 1862, Prussia played the national card. In 1866 the tensions between Prussia and Austria broke into war.

The Prussian military system had been thoroughly reformed after Napoleon had crushed it at Jena in 1806. The crucial development was the growth of a Great General Staff, embodied in law in 1814. Bright officers were selected to what was effectively a military brotherhood, charged with continuous study of the art of war and the drawing up and review of plans. Essentially a managerial system, in the long run it proved brilliantly suited to control large complex armies. Because it was successful in the wars of 1866 and 1870–1 the General Staff developed enormous prestige and decisive influence in military affairs. General Staff officers formed specialised groups, such as that dealing with railways, and were skilful at spotting ways in which new technology could be adapted for military use. Ultimately every general in command of an army had a chief of staff who had a right of appeal if he did not like his superior’s plans. To prevent these officers losing touch with military reality they were rotated through regular periods of service in line regiments. The Prussian General Staff presided over an army of 300,000 raised by a highly selective form of conscription. These were backed up by 800,000 reserves, each of whom at the age of 32 passed into the militia or Landwehr which would only be called up in emergency. In 1859 Prussia had tried to move to support Austria against France, but mobilisation had been a fiasco. As a result the General Staff paid careful attention to the use of railways to get troops quickly to the front. At the same time reserve and regular battalions were firmly attached to local military districts so each got to know the other.

In 1866 the tensions between Prussia and Austria over the leadership of Germany led to war. Prussia had only half the population of its adversary and the Austrians had a long-service conscript army of 400,000 which, in theory, could strike first into enemy territory. But the Austrian army could not concentrate quickly because its units were used for internal security, scattered in such a way that the men were always strangers to the people whom they garrisoned. Prussia thus had time to summon its reserves and to take the initiative under Helmuth von Moltke. Moreover, the Austrian advantage in numbers was partially nullified because Prussia allied with Italy, forcing Austria to dispatch an army there. In Italy in 1859 Austrian forces had failed to implement firepower tactics, and had been overwhelmed by direct (and very costly) French attacks. They were now armed with a good muzzle-loading Lorenz rifle, but thought that they should hold their troops together in large units that were trained to deliver bayonet charges. Also, aware of the inadequacy of their cannon in Italy, the Austrians had bought excellent rifled breech-loading artillery.

Moltke sent three armies along five railways to attack Austria through Bohemia, with the intention of concentrating them against the enemy’s main force. In the event, two of these armies confronted the Austrians in their strong and partly fortified position at Sadowa/Königgrätz on 3 July 1866. Each side had about 220,000 men. Fighting was ferocious but the Prussians held on until their third army arrived to bring victory. Prussian infantry tactics were the revelation of Sadowa. In 1846 the Prussian army had adopted a breech-loading rifle, the Dreyse needle-gun. This had a potential firing rate of about five shots per minute and it could be loaded and fired from the prone position. The Dreyse was scorned by other armies: it lacked range because the gas seal on the breech was inadequate and it was feared that such a high rate of fire would encourage soldiers to waste their ammunition before charging the enemy, so overburdening supply lines. At Sadowa the Austrian artillery did much damage, but the rapid fire of the Dreyse at close range cut down the Austrians whose forces were gathered in large close-order units highly vulnerable to this kind of firestorm. The British Colonel G.F.R. Henderson commented that the Prussians did not charge with the bayonet until the enemy had been destroyed by musketry: ‘The Germans relied on fire, and on fire alone, to beat down the enemy’s resistance: the final charge was a secondary consideration altogether.‘

Important as the Dreyse was, the real key to victory was tactical and organisational. Moltke, like Clausewitz, understood the fluidity of battle and the problem of control:

Diverse are the situations under which an officer has to act on the basis of his own view of the situation. It would be wrong if he had to wait for orders at times when no orders can be given. But most productive are his actions when he acts within the framework of his senior commander’s intent.

He developed what would later be called the doctrine of mission tactics (Auftragstaktik), under which subordinate officers, even down to platoon level, were instructed in the intentions of the overall commander, but left to find their own way of achieving this end. At Sadowa the Prussians made their infantry firepower count by closing with the enemy in forest land where the strong Austrian artillery could not bear upon them. This enabled them to shoot into the packed Austrian ranks as their junior officers led them around the enemy flanks. Fire and movement was the solution to the conundrum so ably propounded by du Picq.

This was possible because junior officers in the Prussian army were thoroughly trained, and understood the need to accept responsibility for the progress of their soldiers, and staff officers rotated through the fighting units communicated what senior commanders wanted. In addition, at the core of the Prussian army was an excellent corps of long-term NCOs well able to support their officers. At Sadowa the Austrians suffered 6,000 dead, over 8,000 wounded and about the same number missing, and conceded 22,000 prisoners. The Prussians lost 2,000 dead and 6,000 wounded. Austria made peace almost immediately and Prussia took over all the north German states, enormously enhancing her military capability. The obvious lesson of Sadowa was firepower. The Austrian Field Marshal Hess articulated another very clearly: ‘Prussia has conclusively demonstrated that the strength of an armed force derives from its readiness. Wars now happen so quickly that what is not ready at the outset will not be made ready in time … and a ready army is twice as powerful as a half-ready one.‘ Strike first would become an article of faith amongst the general staffs of Europe in the years down to 1914.

The rise of Prussia threatened the France of Napoleon III. The nephew of the great Napoleon had taken advantage of the turbulence of the Second Republic to seize power and declare the Second Empire in 1852. He stood, above all, for the dominance of France in European affairs. The Prussian victory in l866 was therefore a blow to the very foundations of the regime, and all parties in French public life thereafter regarded war with Prussia as inevitable. This focused attention on the French army, a long-term conscript body very like the Austrian but with far more fighting experience. However, it lacked a reserve force, while French officers and NCOs enjoyed low pay and status and suffered a constipated promotion system. There was a General Staff, but its officers formed a tiny elite who had little to do with the army as a whole. At all levels there was an absence of initiative, partly because Napoleon, though lacking real military grasp, cultivated the ‘Napoleonic myth’ of the heroic and omnipotent leader.

In reaction to Sadowa the French adopted a new breech-loading rifle, the chassepot. This had an excellent breech mechanism which doubled both the rate of fire and, at 1,200 metres, the effective range of the Dreyse. Remarkably the mitrailleuse, a crude machine-gun, was developed, but it was surrounded by such tight security that the troops were never able to integrate it into their tactics. Because these weapons were costly, the smooth-bore Napoleon cannon of 1859 remained the dominant artillery piece. In 1868 legislation was passed to create a reserve whose members would ultimately pass into a territorial militia, the garde mobile. But Napoleon was unpopular, the Legislative Assembly obstructed the law and so the system was barely operating by 1871.

The French decided that tactically the new weapons favoured the defensive, so they grouped soldiers in large solid units to produce massive firepower, denying any flexibility to local commanders and laying units open to the risk of being outflanked; indeed, the French system was highly centralised and dependent on the will and capacity of the emperor. Even worse, despite bellicose intentions and pronouncements, no real plans were made for war against Prussia. This negated the key advantage of a standing army, that it could strike first before an enemy dependent on conscription could gather his forces. Moreover, the French army was very dispersed. Its troops were used for internal security, so units were spread out and not allowed to serve in their areas of origin.

When war came in 1871 the French planned to mobilise and concentrate their armies on the frontier at Metz and Strasbourg, but Staff planning was hopeless. Choked roads and railways and poor attention to logistics turned this process into a nightmare. At the end of July, when Napoleon arrived at Metz to assume command, barely 100,000 of 150,000 troops had arrived, and only 40,000 of 100,000 had reached Strasbourg. The reserve system worked so slowly that there was no support for the regulars, while the garde mobile was wholly untrained, unequipped and, in places, openly disloyal. Supplies of bread and other essentials failed, while there was indiscipline and even explicit grumbling against the regime. But perhaps the key factor in spreading demoralisation was that in the absence of plans Napoleon was vacillating.

The French had originally projected a thrust into the sensitive junction between north and south Germany. Then the notion of a defensive stance to repel a Prussian attack came to the fore. The hope of Austrian intervention, perhaps supported by the south German states who loathed Prussia, led to the establishment of strong forces at Strasbourg. This force, under Marshal Maurice MacMahon, was rather cut off by the Vosges mountains from Napoleon’s main force around Metz. It was unclear to Napoleon’s senior commanders which, if any, of these options, none of which had been properly thought through and planned, was to be taken. Such hesitancy quickly communicated itself to the soldiers, for armies are highly sensitive to this kind of doubt. Here, then, was an army without a strategy, led by a vacillating ruler tormented by painful illness but keenly aware that his regime needed military success.

By contrast, the Prussians were devout believers in speed and their planning enabled Moltke to deliver three armies to the frontier where French inaction permitted them to organise themselves at leisure. They were backed up by a steady flow of reserves, so that Prussian forces quickly outnumbered the French. The process of concentration was by no means perfect, and moving troops and supplies away from the railhead caused congestion. For both armies the frontier with its hills and rivers posed considerable problems. Moltke directed his superior forces to converge on the French. Since Sadowa he had systematised tactics so that the standard attack force was now the 250-man company. Moreover, Moltke had noted the heavy losses inflicted upon his infantry by Austrian artillery, and had bought Krupp rifled guns. There was uncertainty about how best to deploy these, but they were mostly brought up close to the front to support the infantry. Late on in the Sadowa battle the Austrians had launched a charge of their heavy cavalry to cover their retreat, but it was cut to pieces by rifle fire. As a consequence the Prussian cavalry was now trained very thoroughly for an active role in reconnaissance which it discharged very effectively.

The first encounter of the war, at Wissembourg on 4 August 1870, set the pattern. The Crown Prince of Prussia with 60,000 men and 144 guns bumped into a single division of 8,000 French with twelve guns, well entrenched and sheltered by the buildings of the town. Frontal attacks against intense fire from the chassepots of the well-entrenched French infantry cost the Prussians dearly. However, Prussian artillery moved up to blast the French positions; the few and outranged French guns could make no reply. This enabled the Prussian infantry to work around the French flanks and to force a retreat. But against a single division, the Prussians suffered 1,500 casualties, almost as many as against a vast Austrian army at Sadowa, though they inflicted 2,000. Ultimately they were victorious in five major battles. The failure of French command is all too evident, in that even on the one occasion they were not outnumbered, they still failed to win.

It cannot be said that the generalship on either side was of a very high standard. At Gravelotte on 18 August 30,000 Prussians attacked rows of trenches rising to St Privat: they advanced in what was virtually an eighteenth-century formation, a thin skirmish line succeeded by half-battalions backed up in a third line by massed battalions. Too many senior officers were just plain old-fashioned or distrusted the new methods of Auftragstaktik, which Moltke had applied at Sadowa. Within minutes of launching their assault they had lost 5,000 men. Gradually small units under junior officers fanned out, extending and thinning the line of attack, while twenty-six field artillery batteries bombarded the French positions which were seized at a cost of 8,000 casualties. Some 70 per cent of German casualties were caused by rifle fire, but about the same proportion of French casualties were inflicted by explosive shell. The French never really adapted their tactics to the aggressive Prussian artillery attack. Their commanders were hamstrung by tight central control and reluctant to take any initiative which at times could have snatched victory. At Mars-la-Tour on 18 August General Cissey saw an opportunity to destroy the Prussians and ordered his men into columns of attack but they refused, reflecting their distrust of the high command which had failed to develop sensible methods of attack.

The Prussians isolated Napoleon III and his army in Metz, then arrived before Paris on 19 September where Napoleon had been overthrown and Gambetta had formed a new French Government of National Defence which refused to surrender. As a result the city was bombarded and after the capitulation of Metz on 29 October, a close siege was set. Large numbers of French reservists had never reached the active front. Concentrated on the Loire, they threatened the Prussian army there, and even managed to reconquer Orléans on 10 November. But ultimately Paris starved and on 28 January 1871 an armistice was agreed which led to peace. The new Republic tried to wage a people’s war by calling every man to arms, and the Prussians suffered some casualties from a motley assortment of francs-tireurs, civilians, deserters and irregulars, who sniped at the invaders. But the French people saw no point in continuing a lost war, and refused to support it, so a guerrilla war never developed.

The Franco-Prussian War effected a dramatic change in the balance of power in Europe, symbolised by the proclamation at Versailles of the German Empire on 18 January 1871. The new Reich now became the dominant European power. This was apparently a triumph for the professionalism of the Prussian army and its aggressive tactics. On the face of it a well-trained European army had shown twice within five years that it could bring war to a rapid and successful conclusion. The role of the General Staff had been vital and as a result it was widely copied. But the logistical problems of the German army in 1866 and 1871 had been quite substantial and soldiers had often ended up foraging, with evil results for the countryside at their mercy. But these wars were fought close to bases on a continent with good communications and over short periods of time.

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