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The batteries of North Korean artillery lie just on the other side of the divided peninsula’s demilitarized zone. There are thousands of them—some hidden, others out in the open. Artillery shells are stored in an elaborate network of tunnels; and though much of the weaponry and ammunition is old, U.S. forces stationed in South Korea have no doubt they would be effective.
Less than 40 miles to the south is the sprawling city of Seoul, the capital of South Korea, with a metropolitan area of 24 million inhabitants. Ever since a cease-fire ended hostilities between North and South Korea in 1953, the residents of Seoul have lived with the knowledge that a war with their brethren in the north could break out again; it is a notion not often acknowledged but embedded in their DNA. And now, again, the fraught Korean Peninsula seems a single miscalculation away from calamity
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