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By Mike Glenn - The Washington Times

China’s growing ambitions in the Arctic represent a major national security threat to the United States, top U.S. military leaders said recently, underscoring why American lawmakers and the Pentagon are now scrambling to revamp the nation’s Arctic strategy and quickly commission new vessels capable of operating in the icy region.

The massive $738 billion National Defense Authorization Act, signed into law by President Trump last week, directs the federal government to launch new comprehensive studies of all “Chinese military activities in the Arcti...