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Australian Maritime Issues 2005 - Royal Australian Navy

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SEAPOWER IN THE 21ST CENTURY<br />

<br />

new area and then had to protect their investments there. Their soldiers were never<br />

sufficiently numerous to engage in major continental campaigns, so their 160 year<br />

empire in the Indian Ocean rested on a few garrisons in strategic places and on superior<br />

naval forces. When others, especially the Dutch and the English, began to accumulate<br />

greater levels of naval force, the Portuguese Empire went into decline.<br />

The British Empire, which succeeded it in this area, was likewise based on seapower. Its<br />

strategists conceived of the Empire as a huge landmass divided by eight chunks of water<br />

(the Dardanelles and Bosphorous, the Caspian Sea, the Tigris-Euphrates rivers, the Nile,<br />

the Red Sea, the Aral Sea and River Oxus, the Gulf and the Indus/Sutlej). Controlling<br />

these water areas assured control of the land. Losing them would result in imperial<br />

decline. The security of the Empire then rested on a series of defensive and offensive<br />

strategies centred on controlling the sea.<br />

For better or worse, the Europeans created new empires and changed the world. And<br />

they did it by sea. To make it all possible, they developed navies and a strategy, a set of<br />

concepts of how to use them, from which all of the classic functions of seapower derived:<br />

assuring sea control, projecting power ashore in peace and war, attacking and defending<br />

trade, directly and indirectly, and maintaining good order at sea. Motivations for such<br />

maritime endeavour were mixed but certainly included a strong economic dimension,<br />

in that there was a widespread view that in order to sustain growth, modern states<br />

needed access to other areas, preferably controlled in some way, for further resources<br />

and markets. Strength at sea was such a clear path to dominion and power that countries<br />

sought to control it for what that control could apparently give them. All of these ideas<br />

were drawn together by Alfred Thayer Mahan, a late 19th century American admiral, who<br />

famously concluded:<br />

Control of the sea by maritime commerce and naval supremacy means predominant<br />

influence in the world...and is the chief among the merely material elements in the<br />

power and prosperity of nations.<br />

Accordingly, to the extent that they could profit from the sea as a medium of commercial<br />

transportation and trade, the economies of the sea powers would boom; to the extent<br />

that they could exploit the strategic advantages of deploying decisive military power at<br />

sea and then projecting it ashore against the land-bound, their strategies would succeed.<br />

Because, therefore, the sea powers would generally prosper in peace and prevail in war,<br />

they would inevitably become great. Seapower, properly understood, thus encompasses<br />

the geo-economic dimensions of human activity and can best be represented as a tight<br />

and inseparable system in which naval power protects the maritime assets that are the<br />

ultimate source of its effectiveness.<br />

Of course, navies that have tended to prevail were generally those with great warships<br />

and effective weaponry, with better tactics and more advanced technology, and above<br />

all perhaps with first-rate commanders able to wield their fleets with ruthless efficiency.<br />

The Portuguese broke into the Indian Ocean because they had all these advantages and<br />

so prevailed against the much larger navies they encountered there. Fighting advantages<br />

were not, however, the exclusive property or the invention of the Portuguese or of

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