MARSHAL OF THE ROYAL AIR FORCE SIR JOHN SLESSOR, Commander in Chief, British Coastal Command, 1943; Commandant, Imperial Defense College, 1948-49; Chief of the Air Staff, 1950-52; author of "Air Power and Armies" and "Strategy for the West"
THERE is an old military axiom that the weapons of war change but the great principles of war remain unchanged. Up to a point that is still true; but it must be supplemented, if we are to think realistically about world strategy today, by recognition of a fact of enormous significance--the fact of the revolution in human affairs which has been brought about by the rise of air power and the development of the atomic and thermonuclear weapon. Hitherto the weapons of war have been used and the principles of war have been applied upon the battlefield. Quite recently--within the lifetime of our children not yet of university age--we have seen the battlefield begin to lose its significance; or perhaps it would be more accurate to say that we have seen whole countries become a battlefield. We have actually seen in the green fields of England and the industrial cities of Germany and Japan that "ghastly dew from the nations' airy navies battling in the central blue" that Tennyson imagined in Queen Victoria's reign. We have felt the impact of a new portent, the robot pilotless aircraft or guided missile, the V1 and V2 that fell upon England ten years ago. And now we have reached the consummation of the new revolution, in the atomic and the hydrogen bombs...
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FOR ten years before the war, and during the five and a quarter years through which the war lasted, the Government of Great Britain was in the hands of a succession of Premiers, all men of astonishing political sagacity and skill, two of them men of first class intellectual rank and of outstanding philosophic and academical distinction.
The success of air power in the Persian Gulf War has led some to consider it as a "revolution" in military technology, one that holds out the possibility of war meted out in fine increments and perhaps even bloodless battles. Air power was commanding in the war and innovative in its use of rapid electronic information. But that did not, and will not, alter the Clausewitzian "fog of war" or war's lethal, inevitable spread to noncombatants. War remains a cruel business.
ENGLAND is the most conservative of nations. This island country will long remain attached to the ships that made her great and kept her safe: indeed, her need for them has not yet passed. To the Englishman sea power is a trusted and tried thing and his understanding of it has been nourished by the constant presentation of the sight of the sea to the eyes of almost the whole people.

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