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The Influence of Sea Power Upon History, 1660-1783. Alfred Thayer Mahan
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Автор произведения Alfred Thayer Mahan
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"With the increase of power of the ship-of-war, and with the perfecting of its sea and warlike qualities, there has come an equal progress in the art of utilizing them.... As naval evolutions become more skilful, their importance grows from day to day. To these evolutions there is needed a base, a point from which they depart and to which they return. A fleet of war-ships must be always ready to meet an enemy; logically, therefore, this point of departure for naval evolutions must be the order of battle. Now, since the disappearance of galleys, almost all the artillery is found upon the sides of a ship of war. Hence it is the beam that must necessarily and always be turned toward the enemy. On the other hand, it is necessary that the sight of the latter must never be interrupted by a friendly ship. Only one formation allows the ships of the same fleet to satisfy fully these conditions. That formation is the line ahead [column]. This line, therefore, is imposed as the only order of battle, and consequently as the basis of all fleet tactics. In order that this order of battle, this long thin line of guns, may not be injured or broken at some point weaker than the rest, there is at the same time felt the necessity of putting in it only ships which, if not of equal force, have at least equally strong sides. Logically it follows, at the same moment in which the line ahead became definitively the order for battle, there was established the distinction between the ships 'of the line,' alone destined for a place therein, and the lighter ships meant for other uses."
If to these we add the considerations which led to making the line-of-battle a close-hauled line, we have the problem fully worked out. But the chain of reasoning was as clear two hundred and fifty years ago as it is now; why then was it so long in being worked out? Partly, no doubt, because old traditions—in those days traditions of galley-fighting—had hold of and confused men's minds; chiefly because men are too indolent to seek out the foundation truths of the situation in their day, and develop the true theory of action from its base up. As a rare instance of clear-sightedness, recognizing such a fundamental change in conditions and predicting results, words of Admiral Labrousse of the French navy, written in 1840, are most instructive. "Thanks to steam," he wrote, "ships will be able to move in any direction with such speed that the effects of collision may, and indeed must, as they formerly did, take the place of projectile weapons and annul the calculations of the skilful manœuvrer. The ram will be favorable to speed, without destroying the nautical qualities of a ship. As soon as one power shall have adopted this terrible weapon, all others must accept it, under pain of evident inferiority, and thus combats will become combats of ram against ram." While forbearing the unconditional adhesion to the ram as the controlling weapon of the day, which the French navy has yielded, the above brief argument may well be taken as an instance of the way in which researches into the order of battle of the future should be worked out. A French writer, commenting on Labrousse's paper, says:—
"Twenty-seven years were scarce enough for our fathers, counting from 1638, the date of building the 'Couronne,' to 1665, to pass from the tactical order of the line abreast, the order for galleys, to that of the line ahead. We ourselves needed twenty-nine years from 1830, when the first steamship was brought into our fleet, to 1859, when the application of the principle of ram-fighting was affirmed by laying down the 'Solferino' and the 'Magenta' to work a revolution in the contrary direction; so true it is that truth is always slow in getting to the light.... This transformation was not sudden, not only because the new material required time to be built and armed, but above all, it is sad to say, because the necessary consequences of the new motive power escaped most minds."24
We come now to the justly celebrated Four Days' Battle of June, 1666, which claims special notice, not only on account of the great number of ships engaged on either side, nor yet only for the extraordinary physical endurance of the men who kept up a hot naval action for so many successive days, but also because the commanders-in-chief on either side, Monk and De Ruyter, were the most distinguished seamen, or rather sea-commanders, brought forth by their respective countries in the seventeenth century. Monk was possibly inferior to Blake in the annals of the English navy; but there is a general agreement that De Ruyter is the foremost figure, not only in the Dutch service, but among all the naval officers of that age. The account about to be given is mainly taken from a recent number of the "Revue Maritime et Coloniale,"25 and is there published as a letter, recently discovered, from a Dutch gentleman serving as volunteer on board De Ruyter's ship, to a friend in France. The narrative is delightfully clear and probable,—qualities not generally found in the description of those long-ago fights; and the satisfaction it gave was increased by finding in the Memoirs of the Count de Guiche, who also served as volunteer in the fleet, and was taken to De Ruyter after his own vessel had been destroyed by a fire-ship, an account confirming the former in its principal details.26 This additional pleasure was unhappily marred by recognizing certain phrases as common to both stories; and a comparison showed that the two could not be accepted as independent narratives. There are, however, points of internal difference which make it possible that the two accounts are by different eye-witnesses, who compared and corrected their versions before sending them out to their friends or writing them in their journals.
The numbers of the two fleets were: English about eighty ships, the Dutch about one hundred; but the inequality in numbers was largely compensated by the greater size of many of the English. A great strategic blunder by the government in London immediately preceded the fight. The king was informed that a French squadron was on its way from the Atlantic to join the Dutch. He at once divided his fleet, sending twenty ships under Prince Rupert to the westward to meet the French, while the remainder under Monk were to go east and oppose the Dutch.
A position like that of the English fleet, threatened with an attack from two quarters, presents one of the subtlest temptations to a commander. The impulse is very strong to meet both by dividing his own numbers as Charles did; but unless in possession of overwhelming force it is an error, exposing both divisions to be beaten separately, which, as we are about to see, actually happened in this case. The result of the first two days was disastrous to the larger English division under Monk, which was then obliged to retreat toward Rupert; and probably the opportune return of the latter alone saved the English fleet from a very serious loss, or at the least from being shut up in their own ports. A hundred and forty years later, in the exciting game of strategy that was played in the Bay of Biscay before Trafalgar, the English admiral Cornwallis made precisely the same blunder, dividing his fleet into two equal parts out of supporting distance, which Napoleon at the time characterized as a glaring piece of stupidity. The lesson is the same in all ages.
Pl. I.
The Dutch had sailed for the English coast with a fair easterly wind, but it changed later to southwest with thick weather, and freshened, so that De Ruyter, to avoid being driven too far, came to anchor between Dunkirk and the Downs.27 The fleet then rode with its head to the south-southwest and the van on the right; while Tromp, who commanded the rear division in the natural order,
24
Gougeard: Marine de Guerre.
25
Vol. lxxxii. p. 137.
26
Mémoires du Cte. de Guiche. À Londres, chez P. Changuion. 1743 pp. 234-264.
27
See Map of English Channel and North Sea, page 107.