New York Times: When the United States Coast Guard arrived in this remote corner of the Arctic this month to begin its biggest patrol presence in the waters north of Alaska, only one helicopter hangar was available for rent, and it was not, to put it mildly, the Ritz. Built by someone apparently more familiar with the tropics than the tundra, the structure had sunk several feet into the permafrost, with the hangar entrance getting lower as the building sank. Squeezing two H-60 helicopters into the tiny space? Think…

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