The P-3 aircraft are equipped with optical sensors and cameras that can survey broad areas of ocean and allow monitoring of unusual shipping traffic.

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One of the ironies of Kirtsaeng is that it involves shipping copyrighted works across an ocean in paper form, an approach more typical of the last century than the present one.

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Exhaust gases from shipping already brighten clouds over various bits of the ocean, and in so doing are thought to cool the Earth appreciably.

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All of the conflicts in this tinderbox, which controls shipping lanes from the Indian Ocean into the Red Sea, can potentially give rise to regional, and indeed global conflagrations between competing regional actors and global powers.

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The Bush administration is urging the Senate to consent this summer to the Convention on the Law of the Sea, the complex and sprawling treaty that governs shipping, navigation, mining, fishing and other ocean activities.

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