Should the cavalry meet a superior force of all arms, such as might be pushed forward by the enemy's army, to support the offensive of his own cavalry, or to serve as a pivot of manœuvre for them, a decisive battle must on no account be undertaken with it.
When the Regulations (519)[34] demand that endeavours must be made to force back such detachments or to break through them, I think that the tactical value of the arm is over-estimated. I cannot conceive any real case in which cavalry can break through hostile detachments of all arms. In my opinion the cavalry will generally have to be content to make such detachments deploy, by means of artillery fire, and especially by fire action from a flank, and thereby to lose time, to deflect them from their line of march, and, by threatening their rear and communications, prevent them from carrying out their intentions. Bold measures are in such cases the best, and will preserve to the cavalry the possibility of continuing the distant reconnaissance in rear of the hostile detachment.
As to the leading, in all such battles of encounter the commander's place, as has already been indicated, is at the head of the advanced guard. As soon, however, as contact has been gained he must, on the contrary, remain far enough behind the fighting-line to be able to watch his own troops and the enemy, and to be easily found. He should not be wandering about the battlefield, seeing everything and arranging everything himself. Only where it appears necessary to him to make a moral impression should he place himself at the head of an attacking force. He might, especially, lead his last reserve into battle, and by his personal example endeavour to inspire the troops to an impetuous attack. Such cases, however, will be very exceptional. It will always be most important that the supreme commander retains control over the whole of his troops, and can receive messages and at decisive moments issue orders and instructions to the force.
In the greater number of cases the commander will personally neither reconnoitre the ground whither he is sending a detachment nor yet the enemy which it shall engage. He will scarcely ever be able to give to single small units or even to the directing brigade, if indeed he has detailed one, the direction of attack. It will often be impossible for changes in orders to reach troops once set in motion in time to be of use, especially in a purely cavalry fight.
When the Regulations, in spite of this, declare it to be indispensable that the leader himself must be able to see if he takes the offensive against cavalry (403),[35] this is, under modern conditions and large formations, in most cases quite impracticable, even in manœuvres. As a rule the commander will only be able to indicate the task, and it must be left to the subordinate leaders to carry it out to the best of their ability, according to the situation as they find it on the spot. The situation during the rapidly changing phases of the cavalry fight will often be quite different from what was expected when the tasks were allotted.
On the other hand, before the commencement of the engagement, all subordinate leaders must be informed as to the situation and the general idea of the fight, also as to what duties each one of the larger formations is to carry out; so that all may be in a position to act according to the views and intentions of the commander if circumstances should be found different from what was expected. It will in most cases be desirable to issue the order for deployment in such a way that at least every brigade commander is informed of the general situation, and then to give supplementary orders for the fight which will be issued to all units. Whether in a battle of encounter it will be always possible to detail a directing brigade I very much doubt. One brigade will often fight on foot, the other mounted, while the change from the advanced-guard rôle to deployment for battle will generally render a handling of the division according to rule practically impossible. The idea that, with an independent army cavalry in the battle of encounter, one division can in some measure be handled as on the drill-ground, and can be put into the fight in proper cohesion, must be dismissed. That is an error that has grown upon the exercise-ground, and which the conditions of modern warfare will not admit.
The more, however, that the method of leading is compelled by the pressure of modern development to change from tactical routine and adopt a more or less strategic form, the more unconditionally is it demanded of subordinate leaders that they be, even when independent, continually conscious of the guiding tactical principles, and endeavour to act in accordance with them.
The necessary consideration for the effect of the enemy's fire should never lead to fainthearted dispositions or paralyse the idea of decisive offensive action. If the result of the fight appears doubtful, the most decisive measures must be taken with rapidity and determination, and the last reserve thrown into the fight, regardless of consequences, in order to wrest victory from the enemy. For daring is in itself a mighty factor of success, and one which exercises enormous influence on the fickle Goddess of Fortune. The calculated boldness of all, and the greatest initiative within reasonable limits of subordinate leaders, must give to the fight of the cavalry mass its peculiar character.
It appears to me that this principle cannot be too greatly emphasised when considering the cavalry tactics of the present day.