The Interest of America in Sea Power, Present and Future by A. T. (Alfred Thayer) Mahan
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page 17 of 185 (09%)
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despatching a hostile squadron from Europe, but also in the fact that a
more powerful fleet than formerly can be maintained on that coast by a European power, because it can be called home so much more promptly in case of need. The greatest weakness of the Pacific ports, however, if wisely met by our government, will go far to insure our naval superiority there. The two chief centres, San Francisco and Puget Sound, owing to the width and the great depth of the entrances, cannot be effectively protected by torpedoes; and consequently, as fleets can always pass batteries through an unobstructed channel, they cannot obtain perfect security by means of fortifications only. Valuable as such works will be to them, they must be further garrisoned by coast-defence ships, whose part in repelling an enemy will be co-ordinated with that of the batteries. The sphere of action of such ships should not be permitted to extend far beyond the port to which they are allotted, and of whose defence they form an essential part; but within that sweep they will always be a powerful reinforcement to the sea-going navy, when the strategic conditions of a war cause hostilities to centre around their port. By sacrificing power to go long distances, the coast-defence ship gains proportionate weight of armor and guns; that is, of defensive and offensive strength. It therefore adds an element of unique value to the fleet with which it for a time acts. No foreign states, except Great Britain, have ports so near our Pacific coast as to bring it within the radius of action of their coast-defence ships; and it is very doubtful whether even Great Britain will put such ships at Vancouver Island, the chief value of which will be lost to her when the Canadian Pacific is severed,--a blow always in the power of this country. It is upon our Atlantic seaboard that the mistress of Halifax, of Bermuda, and of Jamaica will now defend Vancouver and the Canadian Pacific. In the present state of our seaboard defence she can do so absolutely. What is all Canada compared |
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