The Art of War. baron de Antoine Henri Jomini

UPON

       THE MEANS OF ACQUIRING A GOOD STRATEGIC COUP-D'OEIL.

       Fig. 39.

       Fig. 40.

       SECOND APPENDIX

       TO THE

       SUMMARY OF THE ART OF WAR.

       ON THE FORMATION OF TROOPS FOR BATTLE.

       SKETCH OF THE PRINCIPAL MARITIME EXPEDITIONS.

       INDEX

       Map of portions of Germany, Switzerland & Italy.

PREFACE

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      In the execution of any undertaking there are extremes on either hand which are alike to be avoided. The rule holds in a special manner in making a translation. There is, on the one side, the extreme of too rigid adherence, word for word and line for line, to the original, and on the other is the danger of using too free a pen. In either case the sense of the author may not be truly given. It is not always easy to preserve a proper mean between these extremes. The translators of Jomini's Summary of the Principles of the Art of War have endeavored to render their author into plain English, without mutilating or adding to his ideas, attempting no display and making no criticisms.

      To persons accustomed to read for instruction in military matters, it is not necessary to say a word with reference to the merits of Jomini. To those not thus accustomed heretofore, but who are becoming more interested in such subjects, (and this class must include the great mass of the American public,) it is sufficient to say, and it may be said with entire truth, that General Jomini is admitted by all competent judges to be one of the ablest military critics and historians of this or any other day.

      The translation now presented to the people has been made with the earnest hope and the sincere expectation of its proving useful. As the existence of a large, well-instructed standing army is deemed incompatible with our institutions, it becomes the more important that military information be as extensively diffused as possible among the people. If by the present work the translators shall find they have contributed, even in an inconsiderable degree, to this important object, they will be amply repaid for the care and labor expended upon it.

      To those persons to whom the study of the art of war is a new one, it is recommended to begin at the article "Strategy," Chapter III., from that point to read to the end of the Second Appendix, and then to return to Chapters I. and II. It should be borne in mind that this subject, to be appreciated, must be studied, map in hand: this remark is especially true of strategy. An acquaintance with the campaigns of Napoleon I. is quite important, as they are constantly referred to by Jomini and by all other recent writers on the military art.

      U.S. Military Academy,

       West Point, N.Y.

       January, 1862.

SUMMARY

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OF

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THE ART OF WAR.

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DEFINITION OF THE ART OF WAR.

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      The art of war, as generally considered, consists of five purely military branches—viz.: Strategy, Grand Tactics, Logistics, Engineering, and Tactics. A sixth and essential branch, hitherto unrecognized, might be termed Diplomacy in its relation to War. Although this branch is more naturally and intimately connected with the profession of a statesman than with that of a soldier, it cannot be denied that, if it be useless to a subordinate general, it is indispensable to every general commanding an army: it enters into all the combinations which may lead to a war, and has a connection with the various operations to be undertaken in this war; and, in this view, it should have a place in a work like this.

      To recapitulate, the art of war consists of six distinct parts:—

      1. Statesmanship in its relation to war.

      2. Strategy, or the art of properly directing masses upon the theater of war, either for defense or for invasion.

      3. Grand Tactics.

      4. Logistics, or the art of moving armies.

      5. Engineering—the attack and defense of fortifications.

      6. Minor Tactics.

      It is proposed to analyze the principal combinations of the first four branches, omitting the consideration of tactics and of the art of engineering.

      Familiarity with all these parts is not essential in order to be a good infantry, cavalry, or artillery officer; but for a general, or for a staff officer, this knowledge is indispensable.

CHAPTER I.

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STATESMANSHIP IN ITS RELATION TO WAR.

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      Under this head are included those considerations from which a statesman concludes whether a war is proper, opportune, or indispensable, and determines the various operations necessary to attain the object of the war.

      A government goes to war—

      To reclaim certain rights or to defend them;

      To protect and maintain the great interests of the state, as commerce, manufactures, or agriculture;

      To uphold neighboring states whose existence is necessary either for the safety of the government or the balance of power;

      To fulfill the obligations of offensive and defensive alliances;

      To propagate political or religious theories, to crush them out, or to defend them;

      To increase the influence and power of the state by acquisitions of territory;