Till, Geoffrey

Abstract
Navies everywhere are grappling with the security issues they confront in the post‐9/11 world. This is a difficult task because they face issues that seem so much more complicated than we remember them to have been during the Cold War. Partly because of its collapse but mainly because of the impact of globalisation, the concept of security has expanded from notions that are mainly military to encompass the dimensions of political security, economic security, societal security and environmental security. All of these may apply at the level of the individual citizen, groups in a national population, the nation, the region and the world. Moreover, these dimensions and levels are intimately connected with one another, vertically and horizontally, so that responses to a discerned threat at one of these intersections is likely to have a range of effects, both good and bad, everywhere else.
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